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Fiscal Year 2019/20 Engineer’s Report For:
Street and Storm Drain Maintenance
District No. 02 Las Lomas (Woodridge)
May 2019
CITY OF ATASCADERO
Street and Storm Drain Maintenance District No. 02
Las Lomas (Woodridge)
6500 Palma Avenue
Atascadero, CA 93422
Phone – (805) 461-5000
Fax – (805) 461-7612
CITY COUNCIL
Heather Moreno, Mayor
Charles Bourbeau, Mayor Pro Tem
Roberta Fonzi, Council Member
Susan Funk, Council Member
Heather Newsom, Council Member
AGENCY STAFF
Rachelle Rickard, City Manager
Jeri Rangel, Administrative Services Director
Cindy Chavez, Deputy Director of Administrative Services
NBS
Danielle Wood, Client Services Director
Adina McCargo, Senior Consultant
TABLE OF CONTENTS
Engineer’s Letter ............................................................................................................. 1
Executive Summary ........................................................................................................ 2
Plans and Specifications .................................................................................................. 4
3.1 Benefiting Properties within the District ................................................................ 4
3.2 Funding Authorized by The 1982 Act ...................................................................... 4
3.3 Description of Improvements and Services ............................................................ 4
Estimate of Costs ............................................................................................................ 8
Method of Assessment ................................................................................................... 9
5.1 General .................................................................................................................... 9
5.2 Benefit Analysis ....................................................................................................... 9
5.3 Assessment Methodology ..................................................................................... 10
5.4 Assessment Range Formula .................................................................................. 13
Assessment Diagram ..................................................................................................... 15
Assessment Roll ............................................................................................................ 16
City of Atascadero
2019/20 Engineer’s Report – Street and Storm Drain Maintenance District No. 02 Las Lomas (Woodridge) 1
ENGINEER’S LETTER
WHEREAS, on March 24, 2005 by Resolution No. 2005-048, the City Council of the City of
Atascadero (the ”City”), State of California, in accordance with and pursuant to the provisions of the
Benefit Assessment Act of 1982, being Chapter 6.4 of the California Government Code, commencing with
Section 54703 (hereafter referred to as the “1982 Act”), and in compliance with the substantive and
procedural requirements of the California State Constitution Article XIIID (hereafter referred to as the
“California Constitution”), established the City of Atascadero Street and Storm Drain Maintenance District
No. 02 Las Lomas (Woodridge) (the “District”); and
WHEREAS, on May 14, 2019, the City Council, under the 1982 Act, adopted its Resolution Initiating
Proceedings for the Annual Levy of Assessments and Ordering the Preparation of an Engineer’s Report for
the District; and
WHEREAS, the Resolution Initiating Proceedings directed NBS to prepare and file a report describing the
general nature, location, and extent of the improvements to be maintained; an estimate of the costs of the
maintenance, operations, and servicing of the improvements for the District for the referenced fiscal year;
a diagram for the District, showing the area and properties to be assessed; and an assessment of the
estimated costs of the administration, maintenance, operations, and servicing the improvements,
assessing the net amount upon all assessable lots and/or parcels within the District in proportion to the
special benefit received.
NOW THEREFORE, the assessments as detailed in this Engineer’s Report and as summarized in the table
below are made to cover the portion of the estimated costs of maintenance, operation and servicing of the
improvements to be paid by the assessable real property within the District in proportion to the special
benefit received. The following table summarizes the proposed assessment for Fiscal Year 2019/20:
FY 2019/20 Summary of Assessment
Balance to Levy $90,383
Fiscal Year 2019/20 Maximum Rate $765.93
Fiscal Year 2019/20 Proposed Applied Rate $390.00
I, the undersigned, respectfully submit the enclosed Engineer’s Report and, to the best of my knowledge,
information, and belief, the Engineer’s Report, Assessments, and the Assessment Diagram herein have
been prepared, computed, and levied in accordance with the assessment methodology adopted, approved,
and ordered by the City Council of the City of Atascadero and the 1982 Act.
City Engineer
Description Amount
Estimated Annual Costs $19,810
Capital Reserve Collection/(Uses) 79,803
Levy Adjustments (9,230)
City of Atascadero
2019/20 Engineer’s Report – Street and Storm Drain Maintenance District No. 02 Las Lomas (Woodridge) 2
EXECUTIVE SUMMARY
Pursuant to the provisions of the Benefit Assessment Act of 1982, being Chapter 6.4 of the California
Government Code, commencing with Section 54703 (hereafter referred to as the “1982 Act”), and in
compliance with the substantive and procedural requirements of the California State Constitution Article
XIIID (hereafter referred to as the “California Constitution”), the City Council of the City of Atascadero,
County of San Luis Obispo, State of California (hereafter referred to as “City”), proposed to form and
levy special benefit assessments for the district designated as:
Street and Storm Drain Maintenance District No. 02 Las Lomas (Woodridge)
(hereafter referred to as the “District”), which includes the lots and parcels of land within the residential
subdivision known as Las Lomas (Woodridge), Tract 2525-1 within the City limits of the City. This Engineer’s
Report (hereafter referred to as the “Report”) has been prepared in connection with the levy and
collection of annual assessments related thereto for fiscal year 2019/20.
The City Council formed the District, and provided for the levy and collection of annual assessments on the
County tax rolls to provide ongoing funding for the costs and expenses required to service and maintain
the street and storm drain improvements and facilities associated with and resulting from the
development of properties within the District. The improvements to be provided by the District and
the assessments described herein are made pursuant to the 1982 Act and the substantive and procedural
provisions of the California Constitution.
This Report describes the District, the improvements, and the proposed assessments to be levied against
properties in connection with the special benefits the properties will receive from the maintenance and
servicing of the District improvements and facilities. The annual assessments described herein will provide
a funding source for the continued operation and maintenance of streets, storm drain system and
appurtenant facilities installed in connection with the development of properties within the District.
The improvements and assessments described in this Report are based on the development of properties
within the District and represent an estimate of the direct expenditures, incidental expenses, and fund
balances that will be necessary to maintain and service the streets and storm drain system that provides
special benefits to properties within the District. The structure of the District (organization), the
improvements, the method of apportionment, and assessments described herein are based on current
development plans and specifications for Tract 2525-1; and by reference these plans and specifications are
made part of this Report.
The word “parcel,” for the purposes of this Report, refers to an individual property assigned its own
Assessor’s Parcel Number (APN) by the San Luis Obispo County Assessor’s Office. The San Luis Obispo
County Auditor/Controller uses Assessor’s Parcel Numbers and specific Fund Numbers to identify
properties to be assessed on the tax roll for the special benefit assessments.
As part of this District’s formation, the City conducted a Property Owner Protest Ballot proceeding for the
proposed levy of a new assessment pursuant to the provisions of the California Constitution, Article XIIID
Section 4. In conjunction with this ballot proceeding, the City Council conducted a noticed public hearing to
consider public testimonies, comments and written protests regarding the formation of the District and
City of Atascadero
2019/20 Engineer’s Report – Street and Storm Drain Maintenance District No. 02 Las Lomas (Woodridge) 3
levy of assessments. Upon conclusion of the public hearing, property owner protest ballots received were
opened and tabulated to determine whether majority protest existed (ballots were weighted based on
assessment amounts), and by resolution the City Council confirmed the results of the ballot tabulation.
The tabulation of the ballots indicated that majority protest did not exist for the proposed assessments and
the assessment range formula presented and described herein; therefore, the City Council approved the
Report (as submitted or amended), ordered the formation of the District, and approved the levy and
collection of assessments. The assessments for fiscal year 2005/2006 were submitted to the San Luis
Obispo County Auditor/Controller for inclusion on the property tax roll for each parcel.
Each subsequent fiscal year, a Report shall be prepared and presented to the City Council describing any
changes to the improvements, proposed services, the annual budget or assessments for that fiscal year
and the City Council may hold a noticed public hearing regarding these matters prior to approving and
ordering the proposed levy of assessments. If the proposed assessments for the District exceed the
maximum assessment described herein (as approved by the property owners), the new or increased
assessment must be confirmed through another property owner protest ballot proceeding before such an
assessment may be imposed. It should be noted that an increased assessment to an individual property
resulting from changes in development or land use does not constitute an increased assessment.
City of Atascadero
2019/20 Engineer’s Report – Street and Storm Drain Maintenance District No. 02 Las Lomas (Woodridge) 4
PLANS AND SPECIFICATIONS
3.1 Benefiting Properties within the District
The territory within the District consists of the lots, parcels and subdivisions of land within the proposed
residential subdivision known as the Las Lomas (Woodridge), Tract 2525-1, which encompasses an area of
land totaling approximately one hundred twenty-two acres (121.65 acres).
This residential subdivision is planned to include one hundred forty-three (143) single-family residential
units; thirty-five (35) condominium/senior housing units; and a single, one hundred (100) unit multi-family
residential project at build-out. Due to parcel splits the multi-family residential project is spread over three
parcels. The planned subdivision is situated in the southeast portion of the City of Atascadero and is
generally located:
South and east of Halcon Road;
East of Highway 101 and El Camino Real
South and west of the Southern Pacific Railroad Tracks; and
North of Salinas Road and Santa Cruz Road
3.2 Funding Authorized by The 1982 Act
As generally defined by the Benefit Assessment Act of 1982 and applicable to this District, the City may
impose a benefit assessment to finance the maintenance and operation costs of the following services:
1) Drainage and Flood Control;
2) Streets and Roads.
In addition to imposing a benefit assessment for the annual maintenance and operation of the District
improvements, the City may also authorize an assessment or utilize existing assessment revenues to
finance the installation, construction or replacement of drainage and flood control facilities as well as the
street and road improvements (with some limitations). While such activities are permitted under the 1982
Act, the budget and assessments for this District only provide for normal maintenance and operation of the
improvements. Since most major rehabilitation/construction projects result from unforeseen damages, the
extent and cost of such projects are not easily predicted and to accumulate funds as part of the
normal annual assessments would not be reasonable. If such funding becomes necessary, the City may
present a new or increased assessment to the property owners to support the projects.
3.3 Description of Improvements and Services
The purpose of this District is to fund the activities necessary to maintain and service the local streets and
the drainage and flood control systems constructed and installed in connection with development of
properties within the residential subdivision known as Las Lomas (Woodridge), Tract 2525-1 pursuant to
approved development plans and agreements. The improvements may consist of all or a portion of the
public streets, drainage and flood control facilities associated with Tract 2525-1 and the maintenance of
these improvements may include but are not limited to the materials, equipment, labor, and incidental
expenses deemed necessary to keep these improvements in satisfactory condition. The maintenance of the
improvements and related activities shall be funded entirely or partially through the District assessments. Not
City of Atascadero
2019/20 Engineer’s Report – Street and Storm Drain Maintenance District No. 02 Las Lomas (Woodridge) 5
all improvements have been fully accepted by the City. It is anticipated that will occur within the next fiscal year
at which time the costs of maintenance for those improvements will be charged to the district. The District
improvements and services are generally described as:
Street maintenance that may include but is not limited to the repair and servicing of street
surfaces, curbs, gutters, bridges, driveway approaches, sidewalks, barricades, delineation, signage
or other facilities within the public street right-of-ways installed in connection with the
development of properties in Tract 2525-1 and that have been dedicated to the City;
Storm drain and flood control maintenance that may include but is not limited to inspection,
repair and servicing of drainage basins, inlets, catch basins, manholes, outlets, drywells, pumps,
filters and storm drain pipes installed in connection with the development of properties of Tract
2525-1 as well as any off-site improvements and facilities directly associated with the
aforementioned infrastructure that is deemed necessary to service or protect the properties
including waste water treatment;
The appurtenant, equipment, materials and service contracts related to the aforementioned
improvements and facilities;
Specifically excluded are those improvements or facilities: located on private property or common
areas; that may be provided or maintained by an agency other than the City; that may be provided
by another assessment or tax levied by the City; or that may be provided and maintained by a
Homeowner’s Association or similar entity.
Detailed maps and descriptions of the location and extent of the specific improvements to be maintained
by the District are on file in the Office of Public Works and by reference are made part of this Report. Those
portions of the District improvements that may be identified as general benefit or will be funded in whole
or in part by other revenue sources as part of the approved development agreements, will not be included
as part of the District assessments. The net annual cost to provide and maintain the improvements
determined to be of special benefit shall be allocated to each property in proportion to the special benefits
received.
STREET MAINTENANCE
The street maintenance program may include, but is not limited to: the repair of potholes, cracks or other
failures in the asphalt surface; repair or replacement of curbs, gutters, driveway approaches and sidewalks
as required as part of maintaining the streets; repair or installation of street signs, barricades, fencing or
other delineation; mechanized sweeping and cleaning of the streets and gutters; slurry sealing, overlays
and re-striping of the street surfaces. The specific activities and timing of various street and road
maintenance services shall be determined by the City’s Public Works Department as necessary to extend
the life of the streets or to improve traffic circulation and safety as available funding permits. Specifically
the street improvements for this District are identified as:
Approximately 290,610 square feet of asphalt street surface located on the various interior streets
identified as Calle Milano, Eliano Street, Via Cielo, Avion Road, Alcotan Lane, and Azor Lane;
Approximately 13,750 linear feet of curb and gutter along Calle Milano, Eliano Street, Via Cielo,
Avion Road, Alcotan Lane, and Azor Lane;
Approximately 1,480 linear feet of curb and gutter in and around the median islands on Calle
Milano and at Via Cielo;
City of Atascadero
2019/20 Engineer’s Report – Street and Storm Drain Maintenance District No. 02 Las Lomas (Woodridge) 6
Approximately 145 driveway approaches, 45,264 square feet of sidewalks and various street signs
within the District;
Specifically not included as part of the street maintenance program are the costs associated with
major replacements or reconstruction. Although the District assessments will provide funding for
regular maintenance and servicing of the improvements that will extend the useful life of the
street improvements, the assessments are not intended to fund major replacements or
reconstruction of the street surfaces or adjacent improvements such as curbs, gutters or driveway
approaches. The costs of extensive replacement or reconstruction activities such as grinding and
resurfacing of the asphalt; and replacement of curbs, gutters driveway approaches and sidewalks is
significantly more than the amount that can reasonably be collected annually under the provisions
of the 1982 Act. When such repairs or activities are deemed necessary, the City will consider
various financing options including new or increased assessments for property owner approval.
The Public Works Department shall authorize the operational activities and maintenance of the public
street and right-of-way improvements, facilities and services that may include, but are not limited to:
Regular street sweeping services necessary to control dirt and debris on street surfaces and
gutters;
Annual inspection of street surface and repair of potholes and surface cracks as needed;
Periodic slurry or overly of street surfaces and driveway approaches (typically one or the other
once every five years);
Periodic re-striping of traffic lanes, bike lanes, street parking areas, crosswalks and intersections
(typically in conjunction with slurry or overly activities);
Graffiti abatement of public improvements within the street right-of-ways that are maintained by
the District including but not limited to sandblasting, repainting and repair of fences, walls,
barricades, sidewalks and signage as needed;
Annual inspection and periodic repair or replacement of decorative street- pavers as needed;
Annual inspection and minor repairs of curbs, gutters, driveway approaches and sidewalks
including partial segment replacements as needed to ensure pedestrian and vehicle safety or the
integrity of the street;
Annual inspection and periodic repair or rehabilitation of street signs and traffic control devices;
Annual inspection and repair of barricades, street-fencing, delineation or retaining walls within the
street right-of-ways as needed.
A portion of the services described above are not performed on an annual basis but rather on a periodic
basis, such as slurry sealing or overlaying the asphalt streets, and the funds necessary for these activities
are collected in installments as part of the annual assessments. The monies collected each year for these
services will be accumulated in a special fund of the District (Reserve Fund or Capital Improvement Fund).
The monies accumulated for these activities shall be spent when sufficient funds have been accumulated
to perform the services deemed necessary by the City (approximately every five years). This process of
accumulating funds (installments) shall continue until such time the District is dissolved; or the City
determines that such funding procedures require modification. Changes in the process of accumulating
funds that would result in an increase to the annual assessment rate must be presented to the property
owners for approval prior to imposing such an increase.
City of Atascadero
2019/20 Engineer’s Report – Street and Storm Drain Maintenance District No. 02 Las Lomas (Woodridge) 7
STORM DRAIN AND FLOOD CONTROL MAINTENANCE
The storm drain and flood control system associated with the District may include but is not limited
to: drainage basins and bio-filters; channel ways; storm drain inlets, catch basins, manholes, outlets;
drywells, pumps, filters and pipes. The storm drain system to be maintained primarily involves on-site
facilities (within the District boundaries) but may also include off-site improvements such as water treatment
equipment, facilities or services mandated or required by Federal, State or County regulations for water
pollution control. The annual assessments for this District are intended to support a storm drain and flood
control maintenance program that will adequately regulate and control storm water runoff resulting from the
development of properties within the District. This maintenance program may include but is not limited to:
inspection and documentation of the system; cleaning, servicing or repair of the facilities and equipment; and
the partial replacement or rehabilitation of equipment and facilities. The storm drain and flood control system
includes but is not limited to:
Approximately 175,550 square feet of drainage basin area;
Twenty-four (24) inlets, outlets and manholes located throughout Tract 2525-1;
Approximately 4,965 linear feet of storm drain pipe ranging from 18 inches to 36 inches in
diameter.
The Public Works Department shall authorize and schedule the operational activities and maintenance of
the storm drain and storm water pollution treatment infrastructure, facilities and services that may
include, but are not limited to:
Cleaning of storm drain inlets, catch basins, manholes and pipes as needed;
Stencil maintenance and documentation of facilities as required by Federal, State or County
regulations;
Cleaning and landscape maintenance of the drainage basins, bio-filter areas or channel ways as
needed;
Debris removal and pest control in and around the storm drain facilities as needed;
Minor repairs and maintenance of the storm drain inlets, catch basins and outlets as needed;
Street sweeping services necessary to control debris and water flow for the storm drain system;
and,
The operational costs related to NPDES compliance requirements.
A portion of the services described above are not performed on an annual basis but rather on a periodic
basis such as minor repairs to the storm drain inlets, catch basins and outlets, and the funds necessary for
these activities are collected in installments as part of the annual assessments. The monies collected each
year for these services will be accumulated in a special fund of the District (Reserve Fund or Capital
Improvement Fund). The monies accumulated for these activities shall be spent as needed to perform the
services deemed necessary by the City. This process of accumulating funds (installments) shall continue
until such time the District is dissolved; or the City determines that such funding procedures require
modification. Changes in the process of accumulating funds that would result in an increase to the
annual assessment rate must be presented to the property owners for approval prior to imposing such an
increase.
City of Atascadero
2019/20 Engineer’s Report – Street and Storm Drain Maintenance District No. 02 Las Lomas (Woodridge) 8
ESTIMATE OF COSTS
Budget 2019/2020
Assessment
DIRECT COSTS
Streets, Roads & Storm Drain Improvements
Drainage Maintenance Services $7,100
Inspection & Operational Services- Roads, Drainage 7,200
Total Annual Direct Costs $14,300
ADMINISTRATION EXPENSES
City Annual Administration 1,800
City Operational Services 200
Engineer's Report & Services 3,210
Public Noticing 300
Total Annual Administration Costs $5,510
TOTAL DIRECT & ADMINISTRATION COSTS $19,810
CAPITAL RESERVE COLLECTIONS/(USES)
Collection for Street Surface Activities 97,500
Collection for Repair Activities: Curbs, Gutters, Approaches & Sidewalks 12,500
Collection for Debris Removal 1,250
Collection for Storm Drain Infrastructure 3,020
Total Annual Capital Reserve Collections/(Uses) $114,270
LEVY ADJUSTMENTS
Interest Income- Improvement Fund ($8,993)
Interest Income- Operating Reserve Fund (237)
Reserve Fund Collection (Use) (34,467)
Total Levy Adjustments ($43,697)
BALANCE TO LEVY $90,383
DISTRICT STATISTICS
Total Parcels 190
Parcels Levied 181
Total EBU(1) 231.75
Levy per EBU $390.00
Maximum Levy per EBU $765.93
FUND BALANCE INFORMATION
Beginning Operating Reserve Balance $12,305
Operational Reserve Interest 237
Surplus Transfer from Improvement Fund 44,032
Operational Reserve Collection (Use) (43,697)
Ending Operating Reserve Balance $12,877
Beginning Improvement Fund Balance $409,789
Improvement Fund Interest 8,993
Surplus Transfer to Operations Fund (44,032)
Improvement Fund Collection 114,270
Ending Improvement Fund Balance $489,020
(1) Levy per EBU rate does not include the County of San Luis Obispo fee of $2.00 per parcel
City of Atascadero
2019/20 Engineer’s Report – Street and Storm Drain Maintenance District No. 02 Las Lomas (Woodridge) 9
METHOD OF ASSESSMENT
5.1 General
The 1982 Act permits the establishment of assessment districts by agencies for the purpose of providing
for the maintenance, operation and servicing of drainage and flood control improvements as well as
streets, roads and appurtenant facilities. The 1982 Act further requires that the cost of these
improvements be levied according to benefit rather than assessed value:
“The amount of the assessment imposed on any parcel of property shall be related to the
benefit to the parcel which will be derived from the provision of the service”.
Furthermore:
“The annual aggregate amount of the assessment shall not exceed the estimated annual cost
of providing the service, except that the legislative body may, by resolution, determine that
the estimated cost of work authorized … is greater than can be conveniently raised from a
single annual assessment and order that the estimated cost shall be raised by an assessment
levied and collected in installments…. The revenue derived from the assessment shall not be
used to pay the cost of any service other than the service for which the assessment was
levied.”
The method of apportionment described in this Report for allocation of special benefit assessments utilizes
commonly accepted engineering practices in compliance with the provisions of the 1982 Act and the
California Constitution. The formulas used for calculating assessments reflects the composition of parcels
within the District and the improvements and services provided, to fairly apportion the costs based
on the special benefits to each parcel.
5.2 Benefit Analysis
Each of the proposed improvements and services, and the associated costs and assessments have been
carefully reviewed, identified and allocated based on special benefit pursuant to the provisions of the 1982
Act and the California Constitution. The street and storm drain improvements associated with this District
were necessary and essential requirements for the orderly development of the properties within the
District to their full potential, consistent with the development plans and applicable portions of the City
General Plan. As such the ongoing operation, servicing and maintenance of those improvements would
otherwise be the direct financial obligation of each individual property owner. Since each parcel to be
assessed within the District could not have been developed in the absence of these improvements and
facilities, each parcel has a direct investment in the proper maintenance of the improvements that is over
and above any general benefits that may be conferred by such improvements and services.
The ongoing maintenance and servicing of the District improvements is an integral part of the appearance,
use and preservation of the properties within the District and such services to be funded by annual
assessments confer a particular and distinct special benefit to those parcels. The proper maintenance of
streets and appurtenant facilities allows individual parcels to be used to their fullest extent by ensuring the
safe and efficient movement of people and goods to and from the benefiting properties Likewise, the
maintenance and servicing of the storm drain system ensures proper water flow and control of excess
City of Atascadero
2019/20 Engineer’s Report – Street and Storm Drain Maintenance District No. 02 Las Lomas (Woodridge) 10
water during periods of rain, which is essential to preservation and protection of private property.
Together the maintenance and servicing of the streets and storm drain system contributes to a specific
enhancement of each of the parcels within the District and the absence of adequate maintenance and
servicing of the District improvements could eventually have a negative impact on properties within the
District.
Although the improvements may include public streets and storm drain facilities that connect to similar
facilities outside the District boundaries, it is clear that the construction and installation of these
improvements were only necessary for the development of properties within the District. As such, these
improvements were not required nor necessarily desired by any properties or developments outside the
District boundary and any public access or use of the improvements by others is incidental. Therefore, it
has been determined that the ongoing maintenance, servicing and operation of the District improvements
provide no measurable general benefit to properties outside the District or to the public at large, but
clearly provide distinct and special benefits to properties within the District. Any improvement or portion
thereof (particularly off-site storm drain facilities) that may be considered general benefit shall be funded
by other revenue sources and not included as part of the special benefit assessments allocated to
properties within this District. However, the costs associated with installation or improvement of any off-
site facilities that benefit the parcels within this District as well as other properties (shared benefit)
may be allocated to the parcels within the District based on their proportional special benefit from such
improvements.
5.3 Assessment Methodology
The costs associated with the improvements and services shall be fairly distributed among the parcels
based upon the special benefit received by each parcel. Additionally, in compliance with the California
Constitution Article XIIID Section 4, each parcel’s assessment may not exceed the reasonable cost of the
proportional special benefit conferred to that parcel. The benefit formula used to determine the
assessment obligation is therefore based upon both the improvements that benefit the parcels within the
District as well as the proposed land use of each property as compared to other parcels that benefit from
those specific improvements.
The method of apportionment established for this District and described herein, reflects the proportional
special benefit each property receives from the improvements and services based on the actual or
proposed land use of that parcel as compared to other properties within the District based on similarities
and differences in parcel land use.
EQUIVALENT BENEFIT UNITS:
To assess benefits equitably it is necessary to relate each property’s proportional special benefits to the
special benefits of the other properties within the District. The method of apportionment established for
most districts formed under the 1982 Act utilizes a weighted method of apportionment known as an
Equivalent Benefit Unit (EBU) methodology that uses the single-family home site as the basic unit of
assessment. A single-family home site equals one Equivalent Benefit Unit (EBU) and the other land uses are
converted to a weighted EBU based on an assessment formula that equates the property’s specific
development status, type of development (land use), and size of the property, as compared to a single-
family home site.
City of Atascadero
2019/20 Engineer’s Report – Street and Storm Drain Maintenance District No. 02 Las Lomas (Woodridge) 11
Although the Equivalent Benefit Unit method of apportioning special benefit is most commonly used and
applied to districts that have a wide range of land use classifications (residential and non-residential use),
this District is comprised of only residential properties and the following apportionment analysis of special
benefit addresses only residential land uses. Not all land use types described in the following are
necessarily applicable to the development of properties within this District, but are presented for
comparison purposes to support the proportional special benefit applied to those land use types within the
District EBU Application by Land Use:
(1) Single-family Residential — This land use is defined as a fully subdivided residential home site with
or without a structure. This land use is assessed 1.0 EBU per lot or parcel. This is the base value
that the other properties are compared and weighted against (i.e. Equivalent Benefit Unit “EBU”).
(2) Multi-family Residential — This land use is defined as a fully subdivided residential parcel that has
more than one residential unit developed on the property. (This land use typically includes
apartments, duplexes, triplex etc., but does not generally include condominiums, town-homes or
mobilehome parks). Based on average population densities and size of the structure as compared
to a typical single-family residential unit, multi-family residential parcels shall be proportionately
assessed for the parcel’s total number of residential units utilizing a sliding benefit scale. Although
multi-family properties typically receive similar benefits to that of a single-family residential, it
would not be reasonable to conclude that on a per unit basis, the benefits are equal. Studies have
consistently shown that the average multi-family unit impacts infrastructure approximately 75% as
much as a single-family residence (Sample Sources: Institute of Transportation Engineers
Informational Report Trip Generation, Fifth Edition; Metcalf and Eddy, Wastewater Engineering
Treatment, Disposal, Reuse, Third Edition). These various studies indicate that most public
improvements and infrastructure are utilized and impacted at reduced levels by multi-family
residential units and a similar reduction in proportional benefit is appropriate. Furthermore, it is
also reasonable to conclude that as the density (number of units) increases, the proportional
benefit per unit tends to decline because the unit size and people per unit usually decreases.
Based on these considerations and the improvements provided by this District, an appropriate
allocation of special benefit for multi-family residential properties as compared to a single- family
residential property is best represented by the following special benefit assignment: 0.75 EBU per
unit for the first 50 units; 0.50 EBU per unit for units 51 through 100; and 0.25 EBU per unit for
the remaining units.
(3) Condominium/Town-home Units — Condominiums and town-homes tend to share attributes of
both single-family residential and multi-family residential properties and for this reason are
identified as a separate land use classification. Like most single-family residential properties, these
properties are not usually considered rental property and generally, the County assigns each unit a
separate APN or assessment number. However, condominiums and town-homes often have
similarities to multi-family residential properties in that they are generally zoned medium to high
density and in some cases may involve multiple units on a single APN. In consideration of these
factors it has been determined that an appropriate allocation of special benefit for condominiums,
town-homes and similar residential properties is best represented by an assignment of 0.75 EBU
per unit regardless of whether each unit is assigned an individual APN or there are multiple units
assigned to an APN. (There is no adjustment for parcels with more than five units).
(4) Planned-Residential Development — This land use is defined as any property for which a tentative
or final tract map has been filed and approved (a specific number of residential lots and units has
been identified) and the property is expected to be subdivided within the fiscal year or is part of the
overall improvement and development plan for the District. This land use classification often times
City of Atascadero
2019/20 Engineer’s Report – Street and Storm Drain Maintenance District No. 02 Las Lomas (Woodridge) 12
involves more than a single parcel (e.g. the approved tract map encompasses more than a single
APN). Each parcel that is part of the approved tract map shall be assessed proportionately for the
proposed or estimated residential type and units to be developed on that parcel as part of the
approved tract map. Accordingly, each parcel is assigned an appropriate number of benefit units
that reflects the development of that property at build-out. (The EBU assigned to each parcel shall
represent the combination of single-family, condominium, multi-family units to be developed).
(5) Vacant Residential — This land use is defined as property currently zoned for residential
development, but a tentative or final tract map for the property has not yet been approved. Based
upon the opinions of professional appraisers who appraise market property values for real estate
in California, the land value portion of a property typically ranges from 20 to 30 percent of the
total value of a developed residential property (the average is about 25 percent). Although the
assessed value of an individual property is not a direct reflection of the property’s special benefit,
this general correlation between land value and structure value does provide a reasonable basis for
apportioning special benefit for vacant residential properties. Utilizing this twenty-five percent
(25%) apportionment and the number of single-family residential units typically developed per acre
of land (an average of 4 residential units per acre) an Equivalent Benefit Unit of 1.0 EBU per acre (4
units per acre x 25%) is derived and presents an appropriate apportionment of special benefit for
vacant residential properties. Recognizing that the full and timely utilization of vacant property is
reduced as the size of the property increases, it has been determined that the maximum EBU
assigned to a vacant residential parcel shall not exceed 25.0 EBU (parcels in excess of 25 acres
are assigned 25.0 EBU). Parcels less than one acre, shall be assigned a minimum of 1.0 EBU (similar
to a vacant lot within a residential tract).
(6) Exempt Parcels — This land use identifies properties that are not assessed and are assigned 0.0
EBU. This land use classification may include but is not limited to:
Lots or parcels identified as public streets and other roadways (typically not assigned an APN by
the County);
Dedicated public easements including open space areas, utility rights-of- way, greenbelts,
parkways, parks or other publicly owned properties that are part of the District improvements or may
provide other benefits to private properties within the District.;
Private properties that cannot be developed independently from an adjacent property, such as
common areas, sliver parcels or bifurcated lots or properties with very restrictive development use.
These types of parcels are considered to receive little or no benefit from the improvements and are
therefore exempted from assessment, but shall be reviewed annually by the assessment engineer
to confirm the parcels current development status. Government owned properties or public
properties are not necessarily exempt properties and shall be subject to special benefit assessment
unless it qualifies for an exempt status.
(7) Special Cases — In many districts where multiple land use classifications are involved, there are
usually one or more properties for which the standard land use classifications do not
accurately identify the special benefits received from the improvements. For example, a parcel
may be identified as a Vacant Residential property, however only a small percentage of the parcel’s
total acreage can actually be developed. In this case, an appropriate calculation would be based on
the net acreage that can be utilized rather than the gross acreage of the parcel.
City of Atascadero
2019/20 Engineer’s Report – Street and Storm Drain Maintenance District No. 02 Las Lomas (Woodridge) 13
The following table provides a summary of land use classifications and the Equivalent Benefit Unit
calculations previously outlined.
Property Type Equivalent Benefit Units Multiplier
Single-family Residential 1.00 Per Unit/Lot/Parcel
Multi-family Residential
0.75 Per Unit for the First 50 Units
0.50 Per Unit for Units 51-100
0.25 Per Unit for all Remaining Units
Condominium/Townhome Units 0.75 Per Unit
Planned Residential Development
1.00 Per Planned SF Residential Lot
0.75 Per Planned Condominium
0.75 Per Unit for the First 50 Units
0.50 Per Unit for Units 51-100
0.25 Per Unit for all Remaining Units
Vacant Residential Land 1.00 Per Acre
Exempt Parcels 0.00 Per Parcel
The following formula is used to calculate each parcel’s EBU (proportional benefit).
Parcel Type EBU x Acres or Units = Parcel EBU
The total number of Equivalent Benefit Units (EBU’s) is the sum of the individual EBU's applied to parcels
that receive special benefit from the improvements. An assessment amount per EBU (Assessment Rate) for
the improvements is established by taking the total cost of the improvements and dividing that amount by
the total number of EBU’s of the parcels benefiting from the improvements. This Rate is then applied back
to each parcel’s individual EBU to determine the parcel’s proportionate benefit and assessment obligation
for the improvements.
Total Balance to Levy / Total EBU = Levy per EBU
Levy per EBU x Parcel EBU = Parcel Levy Amount
5.4 Assessment Range Formula
Any new or increased assessment requires certain noticing and meeting requirements by law. Prior to the
passage of Proposition 218 (California Constitution Articles XIIIC and XIIID), legislative changes in the Brown
Act defined a "new or increased assessment" to exclude certain conditions. These conditions included "any
assessment that does not exceed an assessment formula or range of assessments previously adopted by
the agency or approved by the voters in the area where the assessment is imposed." This definition and
conditions were later confirmed through Senate Bill 919 (Proposition 218 implementing legislation).
The purpose of establishing an Assessment Range Formula is to provide for reasonable increases and
inflationary adjustment to annual assessments without requiring costly noticing and mailing procedures,
which could add to the District costs and assessments. As part of the District formation, the notice and
assessment ballots presented to the property owners for approval included a maximum assessment
amount for fiscal year 2005/2006 (initial maximum assessment), identification of the corresponding
maximum assessment rate and a summary of the Assessment Range Formula described herein.
City of Atascadero
2019/20 Engineer’s Report – Street and Storm Drain Maintenance District No. 02 Las Lomas (Woodridge) 14
The Assessment Range Formula for this District shall be applied to the future assessments and is generally
defined:
If the proposed annual assessment (levy per EBU) for the upcoming fiscal year is less than or equal to
the adjusted Maximum Assessment Rate, then the proposed annual assessment is not considered an
increased assessment.
The Maximum Assessment Rate is equal to the (Initial) Maximum Assessment Rate established for fiscal
year 2005/2006 adjusted annually by the greater of, three percent (3%) or the annual percentage change
in the Consumer Price Index (CPI) of “All Urban Consumers” for the San Francisco-Oakland-San Jose Area
from February to February.
Beginning with fiscal year 2006/2007 and each fiscal year thereafter, the Maximum Assessment Rate has
been recalculated and a new Maximum Assessment Rate established for the fiscal year utilizing the
Assessment Range Formula described above. The Maximum Assessment Rate is calculated independent of
the District’s annual budget and proposed assessment. The annual percentage change in CPI is based on
available data provided by the U.S. Department of Labor; Bureau of Labor Statistics at the time the annual
Report is prepared. Should the Bureau of Labor Statistics revise such index or discontinue the
preparation of such index, the City shall use the revised index or comparable system as approved by the
City Council for determining fluctuations in the cost of living. In January 2018, BLS introduced a new
geographic area sample for the CPI. As part of the change the index for this area was renamed from San
Francisco-Oakland-San Jose to San Francisco-Oakland-Hayward. The metropolitan area is comprised of
Alameda, Contra Costa, Marin, San Francisco, San Mateo Counties in the State of California. This CPI will be
used going forward.
Any proposed annual assessment (rate per EBU) less than or equal to the calculated (adjusted) Maximum
Assessment Rate is not considered an increased assessment, even if the proposed assessment is
significantly greater than the assessment applied in the prior fiscal year. Likewise, modifications to the
method of apportionment that increase the proportional special benefit assigned to a particular land use
classification would be considered an increased assessment. Conversely, reductions in the proportional
special benefit assigned to a land use classifications is permitted. Changes in land use or size of an
individual property resulting in an assessment increase, is not considered an increased assessment.
To impose a new or increased assessment other than the annual inflationary adjustment provided
by the preceding Assessment Range Formula, the City must comply with the provisions of the California
Constitution Article XIIID Section 4c, that requires a public hearing and certain protest procedures including
mailed notice of the public hearing and property owner protest balloting. Property owners through the
balloting process must approve a proposed new or increased assessment before such an assessment
may be imposed.
City of Atascadero
2019/20 Engineer’s Report – Street and Storm Drain Maintenance District No. 02 Las Lomas (Woodridge) 15
ASSESSMENT DIAGRAM
The parcels within the Street and Storm Drain Maintenance District No. 02 Las Lomas (Woodridge) consist
of the lots, parcels and subdivisions of land located in the residential development known as Las Lomas
(Woodridge), Tract 2525-1. The District covers approximately one hundred twenty-two acres (121.65 acres)
in the southeast portion of the City of Atascadero.
The following map is based on the District Diagram, the San Luis Obispo County Assessor’s Maps and the
San Luis Obispo County Assessor’s information and identifies the parcels of land within the proposed
District, as the same existed at the time the District was formed. The combination of the District Diagram
on file with the City Clerk and the Assessment Roll contained in this Report constitute the District
Assessment Diagram.
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City of Atascadero
2019/20 Engineer’s Report – Street and Storm Drain Maintenance District No. 02 Las Lomas (Woodridge) 16
ASSESSMENT ROLL
Parcel identification for each lot or parcel within the District is based on the Assessment Diagram
presented herein and is based on available parcel maps and property data from the San Luis Obispo County
Assessor’s Office at the time the Engineer’s Report was prepared. A listing of the proposed lots and parcels
to be assessed within this District along with the assessment amounts is provided herein.
Non-assessable lots or parcels may include but are not limited to public streets and other roadways
(typically not assigned an APN by the County); dedicated public easements, open space areas, right-of-
ways, common areas; landlocked parcels, small parcels vacated by the County, bifurcated lots, and any
other property that cannot be developed or has little or no value. These types of parcels are considered to
receive little or no benefit from the improvements and are therefore exempted from assessment.
If any parcel submitted for collection is identified by the County Auditor/Controller to be an invalid parcel
number for the fiscal year, a corrected parcel number and/or new parcel numbers will be identified and
resubmitted to the County Auditor/Controller. The assessment amount to be levied and collected for the
resubmitted parcel or parcels shall be based on the method of apportionment and assessment rate
described in this Report as approved by the City Council. Therefore, if a single parcel is subdivided to
multiple parcels, the assessment amount applied to each of the new parcels shall be recalculated and
applied according to the approved method of apportionment and assessment rate rather than a
proportionate share of the original assessment.
Assessor's
Parcel Number
Equivalent
Benefit Units
Maximum
Assessment
Proposed
Assessment
045-311-006 0 -$ -$
045-311-007 0 - -
045-311-008 0 - -
045-311-009 0 - -
045-311-010 0 - -
045-311-013 0 - -
045-311-014 17.77 13,610.58 6,930.34
045-311-015 24.83 19,018.04 9,683.74
045-311-016 19.9 15,242.01 7,761.04
045-312-001 1 765.93 390.00
045-312-002 1 765.93 390.00
045-312-003 1 765.93 390.00
045-312-004 1 765.93 390.00
045-312-005 1 765.93 390.00
045-312-006 1 765.93 390.00
045-312-007 1 765.93 390.00
045-312-008 1 765.93 390.00
045-312-009 1 765.93 390.00
045-312-010 1 765.93 390.00
045-312-011 1 765.93 390.00
045-312-012 1 765.93 390.00
045-312-013 1 765.93 390.00
045-312-014 1 765.93 390.00
045-312-015 1 765.93 390.00
045-312-016 1 765.93 390.00
045-312-017 1 765.93 390.00
045-312-018 1 765.93 390.00
045-312-019 1 765.93 390.00
045-312-020 1 765.93 390.00
045-312-021 1 765.93 390.00
045-312-022 1 765.93 390.00
045-312-023 1 765.93 390.00
045-312-024 1 765.93 390.00
045-312-025 1 765.93 390.00
045-312-026 1 765.93 390.00
045-312-027 1 765.93 390.00
045-312-028 1 765.93 390.00
CITY OF ATASCADERO
Street and Storm Drain Maintenance District No. 02
Las Lomas (Woodridge)
Fiscal Year 2019/2020 Assessment Roll
4/30/2019 Page 1 of 5
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Assessor's
Parcel Number
Equivalent
Benefit Units
Maximum
Assessment
Proposed
Assessment
045-312-029 1 765.93 390.00
045-312-030 1 765.93 390.00
045-312-031 1 765.93 390.00
045-312-032 1 765.93 390.00
045-312-033 1 765.93 390.00
045-312-034 1 765.93 390.00
045-312-035 1 765.93 390.00
045-312-036 1 765.93 390.00
045-312-037 1 765.93 390.00
045-312-038 1 765.93 390.00
045-312-039 1 765.93 390.00
045-312-040 1 765.93 390.00
045-312-041 1 765.93 390.00
045-312-042 1 765.93 390.00
045-312-043 1 765.93 390.00
045-312-044 1 765.93 390.00
045-312-045 1 765.93 390.00
045-312-046 1 765.93 390.00
045-312-047 1 765.93 390.00
045-312-048 1 765.93 390.00
045-312-049 1 765.93 390.00
045-312-050 1 765.93 390.00
045-312-051 1 765.93 390.00
045-312-052 1 765.93 390.00
045-312-053 1 765.93 390.00
045-312-054 1 765.93 390.00
045-312-055 1 765.93 390.00
045-312-056 1 765.93 390.00
045-313-001 1 765.93 390.00
045-313-002 1 765.93 390.00
045-313-003 1 765.93 390.00
045-313-004 1 765.93 390.00
045-313-005 1 765.93 390.00
045-313-006 1 765.93 390.00
045-313-007 1 765.93 390.00
045-313-008 1 765.93 390.00
045-313-009 1 765.93 390.00
045-313-010 1 765.93 390.00
045-313-011 1 765.93 390.00
045-313-012 1 765.93 390.00
045-313-013 1 765.93 390.00
045-313-014 1 765.93 390.00
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Assessor's
Parcel Number
Equivalent
Benefit Units
Maximum
Assessment
Proposed
Assessment
045-313-015 1 765.93 390.00
045-313-018 1 765.93 390.00
045-313-019 1 765.93 390.00
045-313-020 1 765.93 390.00
045-313-021 1 765.93 390.00
045-313-026 1 765.93 390.00
045-313-027 1 765.93 390.00
045-314-001 1 765.93 390.00
045-314-002 1 765.93 390.00
045-314-003 1 765.93 390.00
045-314-004 1 765.93 390.00
045-314-005 1 765.93 390.00
045-314-006 1 765.93 390.00
045-314-007 1 765.93 390.00
045-314-008 1 765.93 390.00
045-314-009 1 765.93 390.00
045-314-010 1 765.93 390.00
045-314-011 1 765.93 390.00
045-314-012 1 765.93 390.00
045-314-013 1 765.93 390.00
045-314-014 1 765.93 390.00
045-314-015 1 765.93 390.00
045-314-016 1 765.93 390.00
045-314-017 1 765.93 390.00
045-314-018 1 765.93 390.00
045-314-019 1 765.93 390.00
045-314-020 1 765.93 390.00
045-314-021 1 765.93 390.00
045-314-022 1 765.93 390.00
045-314-023 1 765.93 390.00
045-314-024 1 765.93 390.00
045-314-025 1 765.93 390.00
045-314-026 1 765.93 390.00
045-314-027 1 765.93 390.00
045-314-028 1 765.93 390.00
045-314-029 1 765.93 390.00
045-314-030 1 765.93 390.00
045-314-031 1 765.93 390.00
045-314-032 1 765.93 390.00
045-314-033 1 765.93 390.00
045-315-001 1 765.93 390.00
045-315-002 1 765.93 390.00
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Assessor's
Parcel Number
Equivalent
Benefit Units
Maximum
Assessment
Proposed
Assessment
045-315-003 1 765.93 390.00
045-315-004 1 765.93 390.00
045-315-005 1 765.93 390.00
045-315-006 1 765.93 390.00
045-315-007 1 765.93 390.00
045-315-008 1 765.93 390.00
045-315-009 1 765.93 390.00
045-315-010 1 765.93 390.00
045-315-011 1 765.93 390.00
045-315-012 1 765.93 390.00
045-315-013 1 765.93 390.00
045-315-014 1 765.93 390.00
045-315-015 1 765.93 390.00
045-315-016 1 765.93 390.00
045-315-017 1 765.93 390.00
045-315-018 1 765.93 390.00
045-315-019 1 765.93 390.00
045-315-020 1 765.93 390.00
045-315-021 1 765.93 390.00
045-315-022 1 765.93 390.00
045-315-023 1 765.93 390.00
045-315-024 1 765.93 390.00
045-315-025 1 765.93 390.00
045-315-026 1 765.93 390.00
045-315-027 1 765.93 390.00
045-315-028 1 765.93 390.00
045-315-029 1 765.93 390.00
045-315-030 1 765.93 390.00
045-315-031 1 765.93 390.00
045-315-032 1 765.93 390.00
045-315-033 1 765.93 390.00
045-316-040 0 - -
045-316-041 0.75 574.45 292.50
045-316-042 0.75 574.45 292.50
045-316-043 0.75 574.45 292.50
045-316-044 0.75 574.45 292.50
045-316-045 0.75 574.45 292.50
045-316-046 0.75 574.45 292.50
045-316-047 0.75 574.45 292.50
045-316-048 0.75 574.45 292.50
045-316-049 0.75 574.45 292.50
045-316-050 0.75 574.45 292.50
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Assessor's
Parcel Number
Equivalent
Benefit Units
Maximum
Assessment
Proposed
Assessment
045-316-051 0.75 574.45 292.50
045-316-052 0.75 574.45 292.50
045-316-053 0.75 574.45 292.50
045-316-054 0.75 574.45 292.50
045-316-055 0.75 574.45 292.50
045-316-056 0.75 574.45 292.50
045-316-057 0.75 574.45 292.50
045-316-058 0.75 574.45 292.50
045-316-059 0.75 574.45 292.50
045-316-060 0.75 574.45 292.50
045-316-061 0.75 574.45 292.50
045-316-062 0.75 574.45 292.50
045-316-063 0.75 574.45 292.50
045-316-064 0.75 574.45 292.50
045-316-065 0.75 574.45 292.50
045-316-066 0.75 574.45 292.50
045-316-067 0.75 574.45 292.50
045-316-068 0.75 574.45 292.50
045-316-069 0.75 574.45 292.50
045-316-070 0.75 574.45 292.50
045-316-071 0.75 574.45 292.50
045-316-072 0.75 574.45 292.50
045-316-073 0.75 574.45 292.50
045-316-074 0.75 574.45 292.50
045-316-075 0.75 574.45 292.50
045-316-076 0 - -
045-316-077 0 - -
Totals 231.75 177,504.28$ 90,382.62$
(1) Slight variance in charge or total budget are due to rounding for placement on the tax rolls.
4/30/2019 Page 5 of 5
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