HomeMy WebLinkAboutORD 5473CITY OF RENTON,WASHINGTON
ORDINANCE NO.5473
AN ORDINANCE OF THE CITY OF RENTON,WASHINGTON,
AMENDING CHAPTER 2,ZONING DISTRICTS -USES AND STANDARDS;CHAPTER
4,CITY-WIDE PROPERTY DEVELOPMENT STANDARDS;CHAPTER 8,PERMITS -
GENERAL AND APPEALS;CHAPTER 9,PERMITS -SPECIFIC,OF TITLE IV
(DEVELOPMENT REGULATIONS)OF ORDINANCE NO.4260 ENTITLED "CODE OF
GENERAL ORDINANCES OF THE CITY OF RENTON,WASHINGTON",TO AMEND
THE REGULATIONS REGARDING DETACHED ACCESSORY DWELLING UNITS.
WHEREAS,the City seeks to encourage the development of varied housing types for a
population diverse in age,income,and lifestyle;and
WHEREAS,the City seeks to set standards that ensure the development of detached
accessory dwelling units occurs in a manner that is harmonious with the primary dwelling units,
as well as adjacent and abutting uses;and
WHEREAS,this matter was duly referred to the Planning Commission for investigation,
study,and said matter having been duly considered by the Planning Commission,and the
zoning text amendment request being in conformity with the City's Comprehensive Plan,as
amended;and
WHEREAS,the City Council held a public hearing on April 22,2009,having duly
considered all matters relevant thereto,and all parties haVing been heard appearing in support
or in opposition;
NOW,THEREFORE,THE CITY COUNCIL OF THE CITY OF RENTON,WASHINGTON,DOES
ORDAIN AS FOLLOWS:
SECTION I.Subsection 4-2-060D,Other Residential,Lodging and Home
Occupations,of Chapter 2,Zoning Districts -Uses and Standards,of Title IV (Development
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ORDINANCE NO.5473
Regulations)of Ordinance No.4260 entitled "Code of General Ordinances of the City of Renton,
Washington",is hereby amended as shown in Attachment A.
SECTION II.Note 7 of subsection 4-2-080A,Subject to the Following
Conditions,of Chapter 2 Zoning Districts -Uses and Standards,Title IV (Development
Regulations)of Ordinance No.4260 entitled "Code of General Ordinances of the City of Renton,
Washington",is hereby amended to read as follows:
7.Accessory dwelling units (ADU's)are allowed as an accessory use to a
detached single-family dwelling.ADU's shall be subject to the development
standards applicable to primary structures and consistent with the architectural
character of the primary structure.The property owner shall file an affidavit
affirming that the owner will occupy the principal dwelling or the ADU.
Additionally,prior to the issuance of building permits the owner shall record a
notice on the property title.The notice shall bear the notarized signature of all
property owners listed on the property title and include:the legal description of
the property,a copy of the approved site/floor plan,and the applicability of the
restrictions and limitations regarding ADU's in RMC Title IV.No more than fifty
(50)total ADUs may be permitted per calendar year.
SECTION III.Subsection 4-2-110A,Development Standards for Single Family
Residential Zoning Designations (Primary and Attached Accessory Structures),of Chapter 2,
Zoning Districts -Uses and Standards,of Title IV (Development Regulations)of Ordinance No.
4260 entitled "Code of General Ordinances of the City of Renton,Washington",is hereby
amended as shown in Attachment B.
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SECTION IV.
ORDINANCE NO.5473
Subsection 4-2-110B,Development Standards for Single Family
Residential Zoning Designations (Detached Accessory Structures),of Chapter 2,Zoning Districts
-Uses and Standards,of Title IV (Development Regulations)of Ordinance No.4260 entitled
"Code of General Ordinances of the City of Renton,Washington",is hereby amended as shown
in Attachment C.
SECTION V.Subsection 4-2-110D,Conditions Associated with Development
Standards Table for Single Family Residential Zoning Designations,of Chapter 2,Zoning Districts
-Uses and Standards,of Title IV (Development Regulations)of Ordinance No.4260 entitled
"Code of General Ordinances of the City of Renton,Washington",is hereby amended to add
three new subsections,numbered 15, 16,and 17.They are to read as follows:
15.Accessory dwelling units shall not be included in density calculations.
16.The square foot calculation shall not include porches,exterior stairs,or
garages.
17.The lot coverage of accessory dwelling units shall not be calculated towards
maximum building/lot coverage.
SECTION VI.Subsection 4-2-110F,Development Standards for Residential
Zoning Designations (Primary and Attached Accessory Structures),of Chapter 2,Zoning Districts
-Uses and Standards,of Title IV (Development Regulations)of Ordinance No.4260 entitled
"Code of General Ordinances of the City of Renton,Washington",is hereby amended as shown
in Attachment D.
SECTION VII.Subsection 4-2-110G,Development Standards for Residential
Zoning Designations (Detached Accessory Structures),of Chapter 2,Zoning Districts -Uses and
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ORDINANCE NO.5473
Standards,of Title IV {Development Regulations}of Ordinance No.4260 entitled "Code of
General Ordinances of the City of Renton,Washington",is hereby amended as shown in
Attachment E.
SECTION VIII.Subsection 4-2-110H,Conditions Associated with Development
Standards Table for Multi-Family Residential Zoning Designations,of Chapter 2,Zoning Districts
-Uses and Standards,of Title IV {Development Regulations}of Ordinance No.4260 entitled
"Code of General Ordinances of the City of Renton,Washington"is hereby amended to add
three new subsections numbered 25, 26,and 27,to read as follows:
25.Accessory dwelling units shall not be included in density calculations.
26.The square foot calculation shall not include porches,exterior stairs,or
garages.
27.The lot coverage of accessory dwelling units shall not be calculated towards
maximum building/lot coverage.
SECTION IX.Subsection 4-8-120B,Building Section Permit Submittal
Requirements,of Chapter 8,Permits -General and Appeals,of Title IV {Development
Regulations}of Ordinance No.4260 entitled "Code of General Ordinances of the City of Renton,
Washington",is hereby amended to read as shown in Attachment F.
SECTION X.Subsection 4-9-030G.3.a,Lot Coverage,of Chapter 9,Permits -
Specific of Title IV {Development Regulations}of Ordinance No.4260 entitled "Code of General
Ordinances of the City of Renton,Washington",is hereby amended to read as follows:
a.Lot Coverage:Lot coverage in residential districts {SF and MR}shall not
exceed fifty percent {50%}of the lot coverage of the zone in which the
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ORDINANCE NO.5473
proposed use is to be located.Except for detached accessory dwelling units,
which shall not be counted toward lot coverage calculations.Lot coverage in
all other zones shall conform to the requirements of the zone in which the
proposed use is to be located.
SECTION XI.Section 4-11-010,Definitions A,of Chapter 11,Definitions,of
Title IV (Development Regulations)of Ordinance No.4260 entitled "Code of General Ordinances
ofthe City of Renton,Washington",is hereby amended so that the definition for Accessory
Building reads as follows:
ACCESSORY BUILDING:A subordinate building located upon the same lot
occupied by a principal use or building which it is customarily associated,but
clearly incidental to.This definition excludes accessory dwelling units.
SECTION XII.Section 4-11-040,Definitions D,of Chapter 11 Definitions,of Title
IV (Development Regulations)of Ordinance No.4260 entitled "Code of General Ordinances of
the City of Renton,Washington",is hereby amended so that the definition for Dwelling Unit,
Accessory reads as follows:
DWELLING UNIT,ACCESSORY:An independent subordinate dwelling unit that is
located on the same lot,but not within a single family dwelling.This may include
units over detached garages.
SECTION XIII.This ordinance shall be effective upon its passage,approval,and five (5)
days after publication.
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ORDINANCE NO.5473
PASSED BY THE CITY COUNCIL this 13th day of__J _u _l "-Y -"2009.
Bonnie I.Walton/City Clerk
APPROVED BY THE MAYOR this 13th day of J _u_l ..:::..y ---J1 2009.
~~
Denis Law/Mayor
Approved as to form:
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Lawrence J.Warren/City torney
Date of Publication:7/17/2009 (summary)
ORD:1561:6/12/09:scr
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ZONING USE TABLE RESIDENTIAL ZONING DESIGNATIONS INDUSTRIAL COMMERCIAL ZONING DESIGNATIONS
USES:RCIR-1 IR-4 IR-SIRMH IR-IO IR-14IRM IL 11M IIH CNlcvlcAlcDlcolcORluc-Nl IUC-N2
D.OTHER RESIDENTIAL,LODGING AND HOME OCCUPATIONS
Accessory dwelling unit AD7 AD7 AD7 AD7 AD7 AD7
Adult family home P P P P P P P P P P3
Assisted living H AD P P P P3 P39 P P75 P88
Caretaker's residence AC AC AC AC AC AC AC AC
Congregate residence AD P P3
Group homes I H H3
Group homes II for 6 or less AD P P P P P P P P P3 P
Group homes II for 7 or H H H H H H H P H H3 AD
more
Home occupations AC6 AC6 AC6 AC6 AC6 AC6 AC6 AC6 AC6 AC6 AC6 AC6 AC6 AC AC
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DEVElOPMENT STANDARDS FOR SINGLE FAMILY RESIDENTIAL ZONING DESIGNATIONS
(Primary and Attached Accessory Structures)
RC R-l R-4 R-8
DENSITY (Net Density in Dwelling Units per Net Acre)
Minimum Housing Density for 4 dwelling unitsproposedshortplatsorNoneNoneNonepernetacre.1.2subdivisions
1 dwelling unit per 1 net acre except
that in designated Urban Separators,
density of up to 1 unit per gross acre
1 dwelling unit per 10 net may be permitted subject to 8 dwelling unitsMaximumHousingDensit/,14,15
acres.s conditions in RMC 4-3-110,Urban 4 dwelling units per 1 net acre.13
per 1 net acre.Separator Overlay.
Assisted living bonus:l.S times the
maximum density may be allowed
subject to conditions of RMC 4-9-065.
NUMBER OF DWELLING UNITS PER LOT
Maximum Number per legal lot 2
1 dwelling with 1 accessory 1 dwelling with 1 accessory unit.1 dwelling with 1 accessory unit.1 dwelling with 1
unit.accessory unit.
BUILDING STANDARDS
Maximum Building Height and
Number of Stories,except for 30 ft.for standard roof.
uses having a "Public Suffix"(P)30 ft.30 ft.2 stories and 35 ft.for roofs 30 ft.
designation and public water having a pitch greater than 3/12.
system facilities9
Maximum Height for Wireless See RMC 4-4-140G.See RMC 4-4-140G.See RMC 4-4-140G.See RMC 4-4-
Communication Facilities 140G.
Maximum Building Coverage Lots 5 acres or more:2%.An 35%.Lots greater than 5,000 sq.ft.:Lots 5,000 sq.ft.
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(Including primary and accessory additional 5%of the total 35%or 2,500 sq.ft.,whichever is or greater:35%or
buildings.Accessory Dwelling area may be used for greater.2,500 sq.ft.,
Units are not counted toward agricultural buildings.Lots 5,000 sq.ft.or less:50%.whichever is
building coverage)Lots 10,000 sq.ft.to 5 acres:greater.
15%.On lots greater than 1 Lots less than
acre,an additional 5%of the 5,000 sq.ft.:50%.
total area may be used for
agricultural buildings.
Lots 10,000 sq.ft.or less:
35%.
All dwelling units shall provide
vertical facade modulation at
Vertical Facade Modulation least every twenty horizontal feet
(20'),including front,side and
rear facades when visible from a
street.
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DEVELOPMENT STANDARDS FOR SINGLE FAMILY RESIDENTIAL ZONING DESIGNATIONS
(Detached Accessory Building)5
RC R-l R-4 R-g
MAXIMUM NUMBER AND SIZE
Accessory Dwelling 1 unit per lot of record -800 sq.1 unit per lot of record -800 sq.1 unit per lot of record -800 sq.1 unit per lot of record -800 sq.
Unit ft.16 ft.16 ft.16 ft.16
2 structures -max.720 sq.ft.2 structures -max.720 sq.ft.per
Other types of per structure,or structu re,or 2 structures -max.720 sq.ft.per 2 structures -max.720 sq.ft.per1structure-max.1,000 sq.ft.1 structure -max.1,000 sq.ft.accessory In addition,1 barn or stable-In addition,1 barn or stable -max.structure,or structure,or
structures allowed max.2,000 sq.ft.;provided the 2,000 sq.ft.;provided the lot is 5 1 structure -max.1,000 sq.ft.1 structure -max.1,000 sq.ft.
in addition to lot is 5 acres or more.Accessory structures shall only be Accessory structures shall only be
Accessory Dwelling acres or more.allowed on lots in conjunction with allowed on lots in conjunction withAccessorystructuresshallonlyAccessorystructuresshallonlybeUnitbeallowedonlotsinconjunctionallowedonlotsinconjunctionwithaprimaryresidentialuse.a primary residential use.
with a primary residential use.a primary residential use.
MAXIMUM FLOOR AREA
The total floor area of all The total floor area of all accessory The total floor area of all accessory The total floor area of all accessoryaccessorybuildingsshallnotbe
greater than the floor area of the buildings shall not be greater than buildings shall not be greater than buildings shall not be greater than
primary residential use.The lot the floor area of the primary the floor area of the primary the floor area of the primary
General coverage of the primary residential use.The lot coverage of residential use.The lot coverage of residential uses.The lot coverage
residential structure along with the primary residential structure the primary residential structure of the primary residential structure
all accessory buildings shall not along with all accessory buildings along with all accessory buildings along with all accessory buildings
shall not exceed the maximum lot shall not exceed the maximum lot shall not exceed the maximum lotexceedthemaximumlotcoverageofthisZoningDistrict17•coverage of this Zoning District17 .coverage ofthis Zoning District17
.coverage of this Zoning District17 .
HEIGHT
Maximum Building Accessory building -15 ft.
Height and Accessory building -15 ft.Accessory building -15 ft.Accessory dwelling units -30 ft for Accessory building -15 ft.
Number of Stories Accessory dwelling units -30 ft.Accessory dwelling units -30 ft.standard roof.2 stories and 35 ft.Accessory dwelling units -30 ft.
except for Public Animal husbandry or agricultural Animal husbandry or agricultural for roofs having a pitch greater Animal husbandry related
uses having a related structu res -30 ft.related structures -30 ft.than 3/12.structu res -30 ft.
"Public Suffix"(P)Animal husbandry related
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designation 8,9 structures -30 ft.
MINIMUM SETBACKS
6 ft.from any residential 6 ft.from any residential structure.
structure.If sited closer than 6 If sited closer than 6 ft.,the 6 ft.from any residential structure.6 ft.from any residential structure.
ft.,the structure will be structure will be considered to be If sited closer than 6 ft.,the If sited closer than 6 ft.,the
considered to be attached.attached.structure will be considered to be structure will be considered to be
General Stables,and other animal Stables,and other animal attached.attached.
husbandry related structures see husbandry related structures see Stables,and other animal Stables,and other animal
RMC 4-4-010.Agricultural RMC 4-4-010.Agricultural related husbandry related structures see husbandry related structures see
related structures -50 ft.from structures -50 ft.from any RMC 4-4-010.RMC 4-4-010.
any property line.property line.
Accessory building - 3 ft.unless
Accessory building - 5 ft.unless located between the rear of the
Accessory building -3 ft.unless house and the rear property line,Accessory building - 3 ft.unlesslocatedbetweentherearofthelocatedbetweentherearofthethen0ft.side yard is allowed.located between the rear of the
Side Yards house and the rear property line,house and the rear property line,Accessory dwelling units -15 house and the rear property line,then 0 ft.then 0 ft.side yard is allowed.combined ft.12 .13 is allowed with a then 0 ft.side yard is allowed.side yard is allowed.Accessory dwelling units -15 ft.minimum of 5 ft.for any side yard.Accessory dwelling units - 5 ft.Accessory dwelling units -25 ft.For small lot clusters 5 ft.is
allowed lO
.
Accessory building - 5 ft.,except Accessory building -3 ft.unless Accessory building - 3 ft.unless Accessory building - 3 ft.unless
located between the rear of the located between the rear of the located between the rear of thethatgarages,carports,and house and the rear property line,house and the rear property line,house and the rear property line,parking areas must be set back then 0 ft.rear yard is allowed.then 0 ft.rear yard is allowed.then 0 ft.rear yard is allowed.from the rear property lines a Garages,carports and parking Garages,carports and parking Garages,carports and parkingsufficientdistancetoprovideaareasmustbesetbackfromtheareasmustbesetbackfromtheareasmustbesetbackfromtheminimumof24ft.of back-out rear property line a sufficient rear property line a sufficient rear property line a sufficientroom,either on-site or on
Rear Yards improved rights-of-way,where distance to provide a minimum of distance to provide a minimum of distance to provide a minimum of
parking is accessed from the rear 24 ft.of back-out room,either on-24 ft.of back-out room,either on-24 ft.of back-out room,either on-
of the lot.site or on improved rights-of-way,site or on improved rights-of-way,site or on improved rights-of-way,
Accessory dwelling units -shall where parking is accessed from the where parking is accessed from the where parking is accessed from the
rear of the lot.rear of the lot.rear of the lot.be determined through Accessory dwelling units -shall be Accessory dwelling units -shall be Accessory dwelling units -shall beadministrativereview,to be no determined through administrative determined through administrative determined through administrativelessthan10ftandnogreater35review,to be no less than 10 ft and review,to be no less than 10 ft and review,to be no less than 5 ft andft.no greater 25 ft.no greater 25 ft.no greater 20 ft.
Front Yard/Side Accessory structures are not Accessory structures are not Accessory structures are not Accessory structures are not
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Yard Along Streets permitted within required front permitted within required front permitted within required front permitted within required front
yards or side yards along streets.yards or side yards along streets.yards or side yards along streets.yards or side yards along streets.
In no case shall a structure over In no case shall a structure over 42 In no case shall a structure over 42 In no case shall a structure over 42
Clear Vision Area 42 in.in height intrude into the in.in height intrude into the 20 ft.in.in height intrude into the 20 ft.in.in height intrude into the 20 ft.
20 ft.clear vision area defined in clear vision area defined in RMC 4-clear vision area defined in RMC 4-clear vision area defined in RMC 4-
RMC 4-11-030.11-030.11-030.11-030.
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DEVElOPMENT STANDARDS FOR RESIDENTIAL ZONING DESIGNATIONS
(Primary and Attached Accessory Structures)
R-1O R-14 RM
DENSITY (Net Density in Dwelling Units Per Net Acre)
For any subdivision.and/or
development:4.13
"u"suffix:'o 25 units per net
For parcels over 1/2 gross acre:4 units per net acre for any acre.
"1"suffix:'o 14 units per netsubdivisionordevelopment.'·l3 10 units per net acre.'·'3 acre.Minimum Housing Minimum density requirements shall not apply to:a)the
Density'·l3·25 renovation or conversion of an existing structure,or b)the Minimum density requirements shall not apply to the "F"suffix:10 units per net
subdivision,and/or development of a legal lot 1/2 gross acre or renovation of an existing structure.acre.
less in size as of March 1,1995.Minimum density
requirements shall not apply
to the renovation or
conversion of an existing
structure.
For developments or subdivisions:14 dwelling units per net For any subdivision and/or
development:'acre,except that density of up to 18 dwelling units per acre "u"suffix:75 units per netmaybepermittedsubjecttoconditionsinRMC4-9-065,acre.'"'2'
For developments or subdivisions including attached or semi-Density Bonus Review.'"1"suffix:35 units per net
Maximum Housing attached dwellings:10 dwelling units per net acre.'Assisted living bonus:1.5 times the maximum density may be acre.'"
Densit/5 Assisted living bonus:1.5 times the maximum density may be allowed subject to conditions of RMC 4-9-065."F"suffix:20 units per net
allowed subject to conditions of RMC 4-9-065.Affordable housing bonus:Up to 30 dwelling units per acre acre.may be permitted on parcels a minimum of two acres in size Assisted living bonus:1.5if50%or more of the proposed dwelling units are affordable
to low income households with incomes at or below 50%of times the maximum density
the area median income.may be allowed subject to
conditions of RMC 4-9-065.
NUMBER OF DWELLING UNITS PER LOT
Only 1 residential building (e.g.,detached dwelling,1 residential structure and associated accessory
semi-attached dwelling,townhouse,flat,etc.)with a buildings for that structure shall be permitted per
General maximum of 4 residential units and associated lot,except for residential buildings legally existing NA
accessory structures for that building shall be permitted at the date of adoption of this Section.'
on a legal lot except for residential buildings legally Detached single-family dwellings are allowed 1
existing at the effective date hereof.For the purposes of accessory dwelling unit.
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this subsection,"legal lot"means a lot created through
the subdivision process,or through another mechanism
which creates individual title for the residential building
and any associated private yards (e.g.,condominium).4
Detached single-family dwellings are allowed 1
accessory dwelling unit.
BUILDING STANDARDS
Maximum Number of Residential Uses:
Stories and Maximum 30 ft.See RMC 4-9-065,Density Bonus Review."U"suffix:50 ft.Building Height,except for 30ft.Commercial Uses:''1''suffix:35 ft.Public uses having a 20 ft."F"suffix:35 ft."Public Suffix"(P)Civic Uses:
designation.7,21 30 ft.
Maximum Height for
Wireless Communication See RMC 4-4-140G.See RMC 4-4-140G.See RMC 4-4-140G.
Facilities
Residential Uses:
Dwellings shall be arranged in a manner which creates a
neighborhood environment.
Residential units and any associated commercial
development within an overall development shall be
connected through organization of roads,blocks,yards,
Building Location NA central places,pedestrian linkage and amenity features.NAFrontfacadesofstructuresshalladdressthepublicstreet,
private street or court by providing:
- a landscaped pedestrian connection;and
-an entry feature facing the front yard.
Additional Requirements for Uses in the Center Village
Comprehensive Plan Land Use Designation:See urban design
regulations in RMC 4-3-100.
Residential Uses:
Architectural design shall incorporate:"u"suffix:
a)Variation in vertical and horizontal modulation of Modulation of vertical and
structural facades and roof lines among individual attached horizontal facades is
dwelling units (e.g.,angular design,modulation,multiple roof required at a minimum of 2
planes),and b)private entry features which are designed to ft.at an interval of a
Building Design NA provide individual ground-floor connection to the outside for minimum offset of 40 ft.on
detached,semi-attached,and townhouse units.each building face.
Commercial or Civic Uses:Structures shall be:"U"and "T"suffixes:
a)Designed to serve as a focal point for the residential See RMC 4-3-100 for Urban
community;and b)compatible with architectural character Center Design Overlay
and site features of surrounding residential development and Regulations.
characteristics;and c)designed to include a common motif or
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theme;and d)pedestrian oriented through such measures as:
pedestrian walkways,pedestrian amenities and
improvements which support a variety of modes of
transportation (e.g.,bicycle racks).
Additional Requirements for Uses in the Center Village
Comprehensive Plan Land Use Designation:See urban design
regulations in RMC 4-3-100.
Civic Uses:The maximum lot area dedicated for civic uses
shall be limited to 10%of the net developable area of a
property.Building size shall be limited to 3,000 sq.ft.of gross
floor area,except that by Hearing Examiner conditional use
permit civic uses may be allowed to be a maximum of 5,000
sq.ft.for all uses.'
Project Size Limitations NA Commercial Uses:The maximum area dedicated for all NA
commercial uses shall be limited to 10%ofthe net
developable portion of a property.Building size shall be
limited to 3,000 sq.ft.of gross floor area'
Additional Requirements for Uses in the Center Village
Comprehensive Plan Land Use Designation:See urban design
regulations in RMC 4-3-100.
Up to 3 Consecutively Attached Townhouses:Building length
shall not exceed 85 ft.,unless otherwise granted per RMC 4-
9-065,Density Bonus Review.
Maximum Building Length NA Over 3 Consecutively Attached Townhouses;Flats;NA
Townhouses/Flats in One Structure:Shall not exceed 115 ft.
in length,unless otherwise granted per RMC 4-9-065,Density
Bonus Review.
"U"suffix:75%.
'T'suffix:75%.
Maximum Building "F"suffix:35%.
Coverage.(Accessory Detached or semi-attached units:50%.A maximum coverage of
Dwelling Units are not Flats or townhouses:50%.50%.45%may be obtained
counted toward through the Hearing
building coverage.)Examiner site
development plan
review process.
Maximum Impervious Detached or semi-attached units:75%.NA "u"and "T"suffixes:85%.
Surface Area Flats or townhouses:60%.All other suffixes:75%.
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DEVELOPMENT STANDARDS FOR MULTIFAMILY RESIDENTIAL ZONING DESIGNATIONS
(Detached12 Accessory Buildings)
R-1O R-14 RM
MAXIMUM NUMBER AND SIZE
Accessory Dwelling 1 unit per lot of record -800 sq.ft.26 1 unit per lot of record -800 sq.ft.26 N/AUnit
2 structures,up to a maximum of 720 sq.
ft.for each building,or 1 structure up to a
maximum of 1,000 sq.ft.1 per residential unit.The total floor area of all accessory Maximum of 400 sq.ft.and less than the floor area The lot coverage of the primary residentialOthertypesofbuildingsshallnotbegreaterthantheoftheprincipalunit.structure along with all accessory buildingsaccessorystructuresfloorareaoftheresidentialuses.
allowed in addition to The lot coverage of the primary residential The lot coverage of the primary residential structure shall not exceed the maximum lot
along with all accessory buildings shall not exceed coverage of this Zoning District.Accessory Dwelling structure along with all accessory buildings the maximum lot coverage of this Zoning Districe7
•Accessory structures shall only be allowedUnitshallnotexceedthemaximumlot
coverage of this Zoning Districe7
•
Accessory structures shall only be allowed on lots in on lots in conjunction with a primary use.
Accessory structures shall only be allowed conjunction with a primary use.
on lots in conjunction with a primary
residential use.
LOCATION
Garages and carports shall only have access from the "U"suffixes:
alley when lots abut an alley.When lots do not abut Garages and carports shall only have
General NA an alley,garages and carports shall be located in the access from the alley when lots abut an
rear yard or side yard and set back from the front of alley.When lots do not abut an alley,
the primary structure by a minimum of 10 feet.garages and carports shall be located in
the rear yard or side yard.
HEIGHT
Maximum Number of Accessory building -15 ft.Accessory building -15 ft.25 ft.except in the RM-U District where
Stories and Maximum the maximum height shall be determined
Building Heighe1 Accessory dwelling unit -30 ft.Accessory dwelling unit -30 ft.through the site plan review process.
SETBACKS 8
Minimum Front Yard Not allowed within the required front Not allowed within the required front yards or side Not allowed within the required front
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yards or side yards along streets.yards along streets.yards or side yards along streets.
Accessory building - 3 ft.unless located
between the rear of the house and the 3 ft.unless located between the rear of
rear property line,then 0 ft.side yard is the house and the rear property line,then
allowed.Garages,carports and parking oft.side yard is allowed.Garages,
areas must be set back from the rear Accessory building -Side Yard:None required.carports and parking areas must be set
Minimum Side Yard property line a sufficient distance to Accessory dwelling unit - 5 ft.2O back from the rear property line a
provide a minimum of 24 ft.of back-out sufficient distance to provide a minimum
room,either on-site or counting improved of 24 ft.of back-out room,either on-site
alley surface or other improved right-of-or counting improved alley surface or
way surface.l1 other improved right-of-way surface.l1
Accessory dwelling unit - 5 ft.3,20
Accessory building - 3 ft.unless located
between the rear of the house and the
rear property line,then 0 ft.rear yard is Accessory building - 3 ft.unless located between the 3 ft.unless located between the rear of
allowed.Garages,carports and parking rear of the house and the rear property line,then 0 the house and the rear property line,then
areas must be set back from the rear ft.rear yard is allowed.Garages and carports must oft.rear yard is allowed.Garages,
property line a sufficient distance to provide a minimum of 24 ft.of back-out room,either carports and parking areas must be set
Minimum Rear Yard provide a minimum of 24 ft.of back-out on-site or counting improved alley surface or other back from the rear property lines a
room,either on-site or counting improved improved right-of-way surface.sufficient distance to provide a minimum
alley surface or other improved right-of-Accessory dwelling units -shall be determined of 24 ft.of back-out room,either on-site
way surface.l1 through administrative review,to be no less than 5 ft or counting improved alley surface or
Accessory dwelling units -shall be and no greater 10 ft.other improved right-of-way surface.22
determined through administrative review,
to be no less than 5 ft and no greater 10 ft.
Special Setbacks for
Animal Husbandry See RMC 4-4-010.NA NA
Related Structures
In no case shall a structure over 42 in.in In no case shall a structure over 42 in.in height In no case shall a structure over 42 in.in
Clear Vision Area height intrude into the 20 ft.clear vision intrude into the 20 ft.clear vision area defined in height intrude into the 20 ft.clear vision
area defined in RMC 4-11-030.RMC 4-11-030.area defined in RMC 4-11-030.
CRITICAL AREAS
General See RMC 4-3-050 and 4-3-090.See RMC 4-3-050 and 4-3-090.See RMC 4-3-050 and 4-3-090.
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4-8-120 B SUBMITTAL REQUIREMENTS -SPECIFIC TO APPLICATION TYPE:
TABLE 4-8-120B
Applicant Agreement Statement (for wireless communications
facilities only)
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TYPE OF
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Application Form,Building Division
Application Form,Construction Permit
Architectural Elevations
Architectural Plans,Commercial/Industrial/Attached Dwellings 3+
Units
Architectural Plans,Detached/Semi-Attached Dwellings and 2
Attached Dwellings
Blocking/Anchoring/Skirting Details
Construction Mitigation Description
Drainage Plans
1 2 I 1
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1 2
2
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Drainage Report 2
Electrical Plans 2 2 l(g)
Energy Code Checklist,Nonresidential l(m)1
Energy Code Checklist,Residential l(k)1 l(a)
Foundation Plans 2 4 2 2
Geotechnical Report 2(b)4 2(b)
Grading Plan 5 5
Grading Work Description 4 2
Hazardous Materials Management Statement 2(0) 2(0) 2(0) 2(0)2(0)2(0)2(0)
Heat Loss Calculation l(c)l(c)
Installer Certification 1
Inventory of Existing Sites (for wireless communications facilities 3only)
Irrigation Sprinkler Plans 3
King County Health Department-Approved Plans l(f) l(f)l(g)
Land Use Permit Conditions,Approved (if any)2 2 2 1
Landscape Plan,Detailed 4
Lease Agreement,Draft (for wireless communications facilities 3only)
Manufacturer's Plans 2
Mechanical Plans 3 2
Plumbing Plans 2(m)2
Project Information Sheet (includes legal description)2 2 2 5 3(n)2 2 2
Receipt for Construction (Utility)Permit Application 2 l(h)
Roadway Construction Plan 2
Screening Detail,Refuse/Recycling 3
Service Area Map (for wireless communications facilities only)3
Side Sewer Capping Permit,Finaled 1
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Sign Plan 3
Site Plan,Commercial,Industrial,Multi-Family 5 1
Site Plan,Sign 2
Site Plan,Single Family/Duplex 2 2 2(d)2
Source Statement,Fill Material,Aquifer Protection Areas 2(p)2(p) 2(p) 2(p)2(p)2(p)2(p)
Structural Calculations 2 3 2(e)2(g)2 2(i)
Structural Plans 2 3 2(e)2(g)2 2(j)
Topography Map (may be combined with site plan or grading plan)2 2 2 4 2
Tree Retention/Land Clearing Plan,Approved 2 3 2(d)
Utilities Construction Plans 6 1
Water/Sewer Availability Letter 1(j)(k)1(j)1(a)(j)
Water Service Disconnect Request (final)1
WSEC Trade-Off Form 1(1)
Table 4-8-120B ILegend:
a.Required for any alteration of exterior of (heated)building envelope.
b.When required by Section 1804 (Foundations and Retaining Walls)of the UBC.
c.Required for installation of a new furnace or a replacement of greater size.
d.Not required for pools/spas/hot tubs to be installed within an existing building.
e.Required for structural changes only.
f.Required for food service establishments only.
g.Required only for public pools/spas/hot tubs (not required for single family or duplex pools/spas/hot tubs).
h.Required for duplexes only.
i.Required for other than conventional construction.
j.Required only if trade-off option is being used for compliance.
k.For multi-family,one per building.
I.Not required for additions.
m.Not required for multi-family projects.
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n.For restaurants and any construction project involving work in the right-of-way,four (4)copies are required.
o.Required only when project is located in an Aquifer Protection Area and (1)construction vehicles will be refueled on-site and/or (2)the quantity of
hazardous materials that will be stored,dispensed,used,and handled on the construction site,exclusive of the quantity of hazardous materials
contained in fuel or fluid reservoirs of construction vehicles will exceed twenty (20)gallons.Weight of solid hazardous materials will be converted to
volumes for purposes of determining whether de minimis amount is exceeded.Ten (10)pounds shall be considered equal to one gallon.
p.Required only when project is located in an Aquifer Protection Area.
q.For accessory dwelling units (detached)architectural elevations of the primary dwelling unit are also required.
The number of copies (if any)is indicated in each column unless waived by the Development Services Division.