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BUSINESS OF THE CITY COUNCIL
YAKIMA, WASHINGTON
AGENDA STATEMENT
Item No. 4.
For Meeting of: February 23, 2021
ITEM TITLE: Presentation on Accessory Dwelling Units
SUBMITTED BY: Joseph Calhoun, Planning Manager
Joan Davenport, Community Development Director
SUMMARY EXPLANATION:
Accessory Dwelling Units are a permitted use in the City of Yakima, and are allowed on lots with
an existing single-family dwelling.Attached is a presentation which identifies the history of AD Us,
current code language, recent permitting, and pending legislation.Also enclosed are all code
sections related to AD Us.
ITEM BUDGETED: NA
STRATEGIC PRIORITY: Neighborhood and Community Building
APPROVED FOR SUBMITTAL BY THE CITY MANAGER
RECOMMENDATION:
ATTACHMENTS:
Description Upload Date Type
i Presentatic n n Accessary Ilia nits 2l11/2021 Presentatic n
E A�IJ e Lions 2116/2021 ackup Matonal
III lor Ilin .
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CITY COUNCIL STUDY SESSION - FEBRUARY 23, 2021
Does the City Allow ADUs ?
1'1' 11171i
Yes! _
I. ADUs were first added to the Zoning Ordinance in 2012 1_ .5-
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Have any ADUs been '..--5-' 40 , 7.
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constructed ?
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Not very many
0. 6 Applications have been submitted since 2019 _
io. Some are currently under construction, others have been
approved but have not yet applied for permits j
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1 pending application
Cos.•-44.1._Gem u,,,,I'',, (‘‘V '... 1
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4510 Snowmountain Rd
Original Zoning Ordinance
2012
o. Only allowed in SR and R-1 zoning districts
• Minimum lot size 1/4 acre
Class 3 Use (Hearing Examiner Public Hearing)
o. Complicated square-footage maximum based
on existing home
147.11:
PO. Same setbacks as primary structure 4
1 parking space required for ADU
• Property owner must live on-site
903 Walker St
Current Zoning Ordinance
Effective February 9, 2020
m. Maximum floor area = 1 ,000 square feet
41.
Attached to primary structure
yr Attached to/above detached garage
PP Stand-alone structure
Allowed on all lots with a single-family home •
Po- Allowed in all zones except AS, CBD, and M-2
Minimum lot size = duplex lot size per zone (8,000 sq.ft. in R-1; _
7,000 sq.ft. in R-2) _
Smaller lots can have an ADU after going through additional
review process
1 parking space required for the ADU
No on-site property owner requirement ,
604 S 4th St
WA state Legislature
II
0. Several bills in current session dealing with
ADUs ...
•i . Some of the considerations include: ,.
lo Allowing 2 ADUs on any Single Family Home or
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Duplex site -
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Eliminating off-street parking requirement for __
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the ADU
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Increasing maximum size to 1 ,200 square-feet - ./..
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Reducing permit and plan review fee .0,- - . ,,,, „,....,_, , „„‘
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requirements .-, , , „-,,
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1308 W Viola Ave
7
Accessory Dwelling Unit (ADU) Code Sections
U 15,03.020Definiti(»80.
"Accessory dwelling unit (ADIJ)" means a structure meeting the purpose and requirements of
Yk3C15.09.045 which io attached tua single-family home, ur detached garage, nrastand-alone
structure with living facilities for one individual or family separate from the primary single-family.
8 15.84.088 Table wf permitted land uses
Table 4'1, Permitted Land Uses
[N` [N`
SIR R^1R^2R-SO^1D^2MOSCCLCCAS GC CODRO1 2
RESIDENTIAL
Accessory Dwelling Unit (^) (See 2 / 1 1 1 1 1 1 1 1 1 1
YK1Cl ),GS,G«5)
U 15.86.848 Off-street parking standards
Table 6'1, Table oy Off-Street Parking Standards
LAND USE PARKING STANDARDS
RESIDENTIAL
Accessory dwelling units 1opaoe
8 15.89.045 Accessory dwelling units
A. Purpose. The purpose of the accessory dwelling unit (ADIJ) provisions is to:
1. Provide property owners with an opportunity for extra income, companionship, and
security;
2. Better utilize existing infrastructure and community resources (sewer, water, roads, etc.);
3. Provide a housing type that allows flexibility to respond to changing needs and lifestyles;
4. Add 1u the supply of affordable dwelling units; and
5. Protect neighborhood character and stability byensuring that ADUx are compatible with
surrounding land uses.
B. Requirements. An accessory dwelling unit inu permitted use on all parcels containing a single-
family dvvo||inQ (3ooYK4C15.U4.030. Tub|o4'l. for |ovo| nfroviom) nubjoo11ua|| u[thofo||umin0
conditions:
1. The accessory dwelling unit may be attached to the primary residence or attached to or
above a detached garage, orhe its own stand-alone structure.
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2. Off-street parking shall be provided as required in YMC Chapter 15.06 for both the ADU
and the primary residence located nn the lot they are intended tnserve.
3. TheADU's floor area shall not exceed one thousand square feet.
4. The ADU'o exterior walls shall be designed ouas tobo similar in style, color, and building
materials to the primary detached dwelling.
5. An ADU attached to the primary structure shall have the same building setbacks as the
primary structure. An ADU that is attached to, or built above, a detached garage or a stand-
alonesdruo1uroohaUhave1heoamebui|dingoe1baokoasanaouoosuq/ structure.
§. A parcel/lot shall contain no more than one single-family residence and one AIDU.
7. ADUs shall not be allowed on parcels containing a duplex or multifamily dwelling, or a
commercial or industrial struo1uro/une.
0. ADUs shall only be permitted onparce|si|ots sized appropriately for a duplex per
YMC 15.05.030, Table 5-2. ADUs proposed on lots smaller than the minimum lot size may he
approved after undergoing one additional level u[ review ao shown inYK4C l5.U4.03U' Table 4-
1.
g. The primary residence and the ADU shall both be connected to public sewer and water.
a. If the ADU is attached to the primary dwelling unit, the two dwelling units shall share
a single sewer and water connection.
b. If the ADU is attached to, or located above, a detached garage, or is a stand-alone
structure, each unit may have its own sewer and water connection, with required meters,
or share the sewer and water connection with the primary dwelling unit consistent vjith
app|ioallouodo(o).
10. A lot containing an ADU shall not be subdivided, or otherwise segregated in ownership,
in a way that separates the ADU and the primary dwelling unit on different lots, except as
permitted under Y&4CTitle 14.
11. The site plan for the construction or conversion of an ADU shall indicate the AIDU.
12. Any exterior stairs shall bo placed in the rear ur side yard.
13. A deed restriction, signed by the property owner and the city, shall be recorded with the
Yakima County auditor's office providing notice to potential buyers of the ADU restrictions.
14. ADU'o uses una short term rental shall also comply with Y&4C l5.0g.080 and all other
applicable codes.
C. Enforcement. The city retains the right with reasonable notice to inspect the ADU for
compliance with the provisions ofthis section.
9
D. Elimination. The city retains the rightv/hhroaoonab|eno1icoh) vvithdraw/000upanuyayyrnva| if
any of the requirements under subsection B of this section are violated. In the event the city
withdraws occupancy, the property owner may:
1. |f attached, merge the existing ADU |n the single-family dwelling; nr
2. If detached, use the building for an approved accessory use or remove the structure from
the premises.