Building Setbacks & Zoning in Washington (2026)
129 rules on the books across Washington, 44 cities and counties. Select a rule to read the full details.
Severity: Few Restrictions · Light Restrictions · Some Restrictions · Significant Restrictions · Heavy Restrictions
Setback Rules
How far structures must be from property lines, streets, and other buildings. Different setbacks apply to front, side, and rear yards.
Auburn
Some RestrictionsAuburn's residential setback table, ACC 18.07.030(E), sets a 35-foot front setback in RC and R-1, dropping to 10 feet…
Read full rule →Bellingham
Some RestrictionsIn Bellingham's Residential Single (RS) zone, main buildings need a 5-foot side yard, a 10-foot rear yard, and a front…
Read full rule →Benton County
Some RestrictionsIn unincorporated Benton County's Community Center Residential (CCR) District, dwellings need a 55-foot setback from a…
Read full rule →Bothell
Some RestrictionsIn the City of Bothell, Washington, BMC 12.14.030 sets yard setbacks zone by zone in a development standards table…
Read full rule →Chelan County
Some RestrictionsIn unincorporated Chelan County's RR20 district (Rural Residential/Resource, one dwelling unit per 20 acres), Chelan…
Read full rule →Clark County
Some RestrictionsIn Clark County's rural residential districts (R-20, R-10, R-5), the minimum front setback is 50 feet from a road, side…
Read full rule →Cowlitz County
Some RestrictionsIn unincorporated Cowlitz County, every zoning district, including the unzoned (U) area, has a front yard setback of at…
Read full rule →Edmonds
Some RestrictionsEdmonds sets minimum street, side and rear setbacks by low-density residential subdistrict in ECDC 16.20.030(D)…
Read full rule →Everett
Some RestrictionsEverett sets minimum building setbacks by zoning district under Table 6-2: single-family NR-C lots need a 20-foot front…
Read full rule →Federal Way
Some RestrictionsFederal Way's suburban estate (SE) zone requires a 30-foot front yard, 10-foot side yards and a 10-foot rear yard on…
Read full rule →Franklin County
Some RestrictionsIn the AP-20 agricultural production zone of unincorporated Franklin County, primary buildings must sit at least 25…
Read full rule →Grant County
Some RestrictionsGrant County's Unified Development Code layers a special buffer setback on top of the base zone setback whenever a…
Read full rule →Grays Harbor County
Some RestrictionsIn the R-1 Restricted Residential District, unincorporated Grays Harbor County's baseline single-family zone, Grays…
Read full rule →Island County
Some RestrictionsIn the Rural (R), Rural Agriculture (RA), Rural Forest (RF), and Rural Residential (RR) Zones of unincorporated Island…
Read full rule →Kennewick
Some RestrictionsKennewick's residential zoning code sets minimum front, side, rear, and garage setbacks by zone under KMC…
Read full rule →Kent
Some RestrictionsKent's agricultural and residential zoning districts each carry their own minimum yard setbacks under KCC 15.04.170…
Read full rule →King County
Some RestrictionsUnincorporated King County sets a 10-foot minimum street setback and 5-foot interior setback in the R-4 through R-48…
Read full rule →Kirkland
Some RestrictionsDetached single-family homes in Kirkland's Low Density Residential zones (RS, RSX, RSA) must sit back 20 feet from the…
Read full rule →Lacey
Some RestrictionsIn the City of Lacey, Washington, a lot in the Low Density Residential District needs a 16 foot front yard, 20 feet in…
Read full rule →Lakewood
Some RestrictionsLakewood's residential dimensional table, LMC 18A.60.030(A), sets front, garage, rear, and interior setbacks by zoning…
Read full rule →Lewis County
Some RestrictionsOutside the incorporated cities and small-town urban growth areas, LCC § 15.15.040 sets a minimum building setback of…
Read full rule →Lynnwood
Some RestrictionsLynnwood's Residential Neighborhood (RN) zone, the base district for single-family homes, duplexes, triplexes…
Read full rule →Marysville
Some RestrictionsMarysville's density and dimension table at Marysville Municipal Code § 22C.010.080(2) sets minimum street, side and…
Read full rule →Mason County
Some RestrictionsIn unincorporated Mason County's Rural Residential 2.5 zone, Mason County Code Section 17.04.213 sets the front yard…
Read full rule →Olympia
Some RestrictionsIn the City of Olympia, Washington, Table 4.04 sets minimum front, rear, and side yard setbacks for each residential…
Read full rule →Pasco
Some RestrictionsPasco sets minimum building setbacks by housing type across the R-1, R-2, R-3 and R-4 residential zones under PMC…
Read full rule →Pierce County
Some RestrictionsPierce County sets minimum building setbacks by zone classification in Table 18A.15.040-1, from a 25-foot arterial…
Read full rule →Port Townsend
Some RestrictionsPort Townsend's residential zoning table sets minimum front, side, and rear yard setbacks that vary by district, from 5…
Read full rule →Puyallup
Some RestrictionsPuyallup's Table 20.20.020 sets minimum yard setbacks for every RS single-family zone: front yards range from 15 feet…
Read full rule →Renton
Some RestrictionsRenton sets minimum front, rear and side yard setbacks by residential zone in RMC 4-2-110A, ranging from a 30-foot…
Read full rule →Richland
Some RestrictionsRMC § 23.18.040 sets minimum yard setbacks for the City of Richland, Washington's five residential zones: 20 feet front…
Read full rule →Sammamish
Some RestrictionsWithin Sammamish's shoreline jurisdiction, SMC 25.06.020(9) sets the shoreline setback at 50 feet landward of Lake…
Read full rule →Seattle
Some RestrictionsSMC 23.44.090's Table A sets Neighborhood Residential front setbacks at 15 feet for lots with one or two units and 10…
Read full rule →Shoreline
Some RestrictionsTable 20.50.020(1) of Shoreline Municipal Code § 20.50.020 sets a uniform 10-foot minimum front yard setback across the…
Read full rule →Skagit County
Some RestrictionsSCC Chapter 14.28 sets minimum building setbacks for every structure and lot in unincorporated Skagit County. Setbacks…
Read full rule →Snohomish County
Some RestrictionsIn unincorporated Snohomish County, setbacks are set by zone in the SCC 30.23 bulk matrices. In the common urban…
Read full rule →Spokane County
Some RestrictionsIn Spokane County's urban residential zones, the front/flanking-street and side setback for a residence is 15 feet (20…
Read full rule →Spokane Valley
Some RestrictionsSpokane Valley sets minimum yard setbacks by zoning district in Table 19.70-1 under SVMC § 19.70.020. Front and…
Read full rule →Tacoma
Some RestrictionsTacoma's Urban Residential zones set minimum yard setbacks in TMC § 13.06.020F.1: a 15-foot front and rear setback in…
Read full rule →Thurston County
Some RestrictionsThurston County sets yard setbacks by zoning district under Title 21. In the Low-Density Residential District 0-6…
Read full rule →Walla Walla County
Some RestrictionsMinimum yard setbacks in unincorporated Walla Walla County are set zone by zone in the WWCC § 17.18.020 dimensional…
Read full rule →Whatcom County
Some RestrictionsIn unincorporated Whatcom County, Title 20 zoning sets minimum yards from property lines. Rural Residential lots hold…
Read full rule →Yakima County
Some RestrictionsSetbacks in Yakima County come from two codes: the joint Yakima Urban Area Zoning Ordinance (YMC Title 15) inside the…
Read full rule →Structure Height Limits
Maximum building heights allowed by zoning, including how height is measured and exceptions for chimneys, antennas, and rooftop equipment.
Washington: statewide
StatewideHeavy RestrictionsWashington adopts the International Building Code statewide through chapter 51-50 WAC, setting maximum heights and…
Read full rule →Auburn
Some RestrictionsAuburn's residential zoning table caps a house at 35 feet in the RC and R-1 zones, rising to 45 feet in R-3 and R-F…
Read full rule →Bellingham
Some RestrictionsBellingham's Residential Single zone caps buildings at 35 feet measured to the roof peak from grade at the wall, or 20…
Read full rule →Benton County
Some RestrictionsIn unincorporated Benton County's GMA Agricultural District, no residential building may rise higher than 35 feet. The…
Read full rule →Bothell
Some RestrictionsIn the City of Bothell, Washington, BMC 12.14.110 measures building height vertically from the average city-approved…
Read full rule →Chelan County
Some RestrictionsIn unincorporated Chelan County's Rural Residential/Resource district (RR20, one dwelling unit per 20 acres), Chelan…
Read full rule →Clark County
Some RestrictionsIn Clark County's rural residential districts (R-20, R-10, R-5), the maximum building height for residential buildings…
Read full rule →Cowlitz County
Some RestrictionsIn unincorporated Cowlitz County, buildings over 35 feet tall must not exceed what the local fire district's equipment…
Read full rule →Edmonds
Some RestrictionsEdmonds caps building height at 25 feet across all three low-density residential subdistricts, LDR-S, LDR-M and LDR-L…
Read full rule →Everett
Some RestrictionsEverett caps building height by zone under Everett Municipal Code Section 19.22.020: Neighborhood Residential (NR) and…
Read full rule →Federal Way
Some RestrictionsFederal Way caps detached houses in its single-family residential zones at 30 feet above average building elevation…
Read full rule →Franklin County
Some RestrictionsFranklin County caps primary and accessory structures at 35 feet in the AP-20 agricultural production zone, but exempts…
Read full rule →Grant County
Some RestrictionsGrant County caps building height by zoning district in the tables to its Unified Development Code, and Table 1's Note…
Read full rule →Grays Harbor County
Some RestrictionsIn unincorporated Grays Harbor County, towers, chimneys, water tanks and similar roof features may rise above a zoning…
Read full rule →Island County
Some RestrictionsIn the Rural (R) Zone of unincorporated Island County, Island County Code section 17.03.060.D caps building height at…
Read full rule →Kennewick
Some RestrictionsKennewick caps residential building height by zoning district in the Table of Residential Site Development Standards at…
Read full rule →Kent
Some RestrictionsKent caps residential building height by zoning district under KCC 15.04.170(I): 2.5 stories and 35 feet in the NR-L…
Read full rule →King County
Some RestrictionsIn unincorporated King County's urban single-family zones (R-4 through R-8), homes are capped at a 35-foot base height…
Read full rule →Kirkland
Some RestrictionsKirkland limits detached house height to 25 feet above average building elevation (ABE) in RS, PLA 3C and PLA 6E zones…
Read full rule →Kitsap County
Some RestrictionsIn unincorporated Kitsap County, building height is measured from a reference datum to the roofline under KCC…
Read full rule →Lacey
Some RestrictionsIn the City of Lacey, Washington, a main building or accessory dwelling in the Low Density Residential District tops…
Read full rule →Lakewood
Some RestrictionsLakewood caps residential building height at 35 feet in its four single-family districts, R1 through R4, and its first…
Read full rule →Lewis County
Some RestrictionsAcross the residential and commercial zones of Lewis County's Packwood and Onalaska Small Town Urban Growth Areas…
Read full rule →Lynnwood
Some RestrictionsLynnwood's Residential Neighborhood (RN) zone caps building height at 35 feet for detached, attached and stacked…
Read full rule →Marysville
Some RestrictionsMarysville sets base residential height limits of 30 feet in the NR-4.5 and NR-6.5 zones and up to 45 feet in R-18 and…
Read full rule →Mason County
Some RestrictionsIn unincorporated Mason County's Rural Residential 2.5 zone, Mason County Code Section 17.04.214(b) caps residential…
Read full rule →Olympia
Some RestrictionsIn the City of Olympia, Washington, residential building height starts with the district limit in Table 4.04 of OMC…
Read full rule →Pasco
Some RestrictionsPasco limits single-family homes to 35 feet in the R-1 and R-2 zones and 40 feet in R-3 and R-4 under Table…
Read full rule →Pierce County
Some RestrictionsMaximum building height in unincorporated Pierce County is set by zone. Residential zones such as Suburban Residential…
Read full rule →Port Townsend
Some RestrictionsPort Townsend caps residential building height by zoning district: 30 feet in R-I, up to 35 feet for single-family…
Read full rule →Puyallup
Some RestrictionsTable 20.20.020 caps outright-permitted residential structures at 36 feet in Puyallup's RS-35 through RS-06 zones and…
Read full rule →Renton
Some RestrictionsRenton limits residential structures to a maximum wall plate height of 24 feet and two stories in the RC through R-8…
Read full rule →Richland
Some RestrictionsIn the City of Richland, Washington, RMC § 23.18.040 caps residential building height at 30 feet in the R-1-12, R-1-10…
Read full rule →Sammamish
Some RestrictionsInside Sammamish's shoreline jurisdiction, the Shoreline Master Program caps single-family residences at 35 feet and…
Read full rule →Seattle
Some RestrictionsSMC 23.44.070 caps most structures in Seattle's Neighborhood Residential zones at 32 feet, rising to 42 feet for…
Read full rule →Shoreline
Some RestrictionsIn the City of Shoreline, SMC § 20.50.050 measures building height from the average existing grade to the roof's…
Read full rule →Skagit County
Some RestrictionsIn the Rural Mixed-Use zones of unincorporated Skagit County, including Rural Village Residential (RVR), Table…
Read full rule →Snohomish County
Some RestrictionsSnohomish County sets maximum building heights zone-by-zone in the bulk matrices referenced by SCC 30.23.050, ranging…
Read full rule →Spokane County
Some RestrictionsMaximum building height in Spokane County's Low Density and Low Density Plus Residential zones is 35 feet; Medium…
Read full rule →Spokane Valley
Some RestrictionsSpokane Valley limits residential building height to 35 feet in the R-1 through R-4 single-family zones and 50 feet in…
Read full rule →Tacoma
Some RestrictionsIn Tacoma's R-4 and R-5 Multiple-Unit Dwelling Districts, main buildings are capped at 60 and 150 feet respectively…
Read full rule →Thurston County
Some RestrictionsIn Thurston County's Low Density Residential District 0-6, the maximum building height is 25 feet, set by the…
Read full rule →Walla Walla County
Some RestrictionsIn unincorporated Walla Walla County, residential building height tops out at 35 feet in most single-family and rural…
Read full rule →Whatcom County
Some RestrictionsWhatcom County caps building height by zoning district instead of countywide: WCC § 20.32.400 sets 35 feet in the…
Read full rule →Yakima County
Some RestrictionsUnincorporated Yakima County caps most single-family homes at 35 feet in the SR, R-1 and R-2 districts, while…
Read full rule →Lot Coverage Limits
The maximum percentage of your lot that can be covered by buildings and impervious surfaces like driveways and patios.
Auburn
Some RestrictionsAuburn caps how much of a residential lot can be covered by buildings, driveways and other hard surfaces through a…
Read full rule →Bellingham
Some RestrictionsBellingham caps standard multifamily lot coverage at 35% of the site under BMC 20.32.040(D), but BMC 20.32.050(C) lets…
Read full rule →Benton County
Some RestrictionsParcels in unincorporated Benton County's Community Center Residential (CCR) District are capped at 40 percent lot…
Read full rule →Bothell
Some RestrictionsIn the City of Bothell, Washington, BMC 12.14.140 defines building coverage and hard surface coverage as percentages of…
Read full rule →Chelan County
Some RestrictionsIn unincorporated Chelan County's RR20 district (Rural Residential/Resource, one dwelling unit per 20 acres), Chelan…
Read full rule →Clark County
Some RestrictionsClark County's rural residential districts (R-20, R-10, R-5) set no numeric maximum lot coverage in Table 40.210.020-3…
Read full rule →Cowlitz County
Some RestrictionsCowlitz County's Table 18.10.501 caps maximum lot coverage by zoning district for unincorporated land: 50% in the RR-1…
Read full rule →Edmonds
Some RestrictionsEdmonds caps lot coverage at 35 percent of total lot area across all three low-density residential subdistricts under…
Read full rule →Everett
Some RestrictionsEverett caps how much of a residential lot a building can cover: 35 percent in the NR-C zone and 50 percent in the NR…
Read full rule →Federal Way
Some RestrictionsFederal Way caps impervious lot coverage, meaning every structure, driveway and other surface that blocks water…
Read full rule →Franklin County
Some RestrictionsIn the RR-1 rural residential zone of unincorporated Franklin County, buildings and structures may cover no more than…
Read full rule →Grays Harbor County
Some RestrictionsUnincorporated Grays Harbor County caps how much of a residential lot can be covered by buildings, driveways and other…
Read full rule →Island County
Some RestrictionsIn the Rural (R) Zone across unincorporated Island County, impervious surface is capped at 25 percent of a parcel five…
Read full rule →Kennewick
Some RestrictionsKennewick caps lot coverage in only two non-residential zones. The Business Park (BP) district prints a Maximum Lot…
Read full rule →Kent
Some RestrictionsKent caps building and site coverage by zoning district under KCC 15.04.170(B): 30% in the A-10 agricultural and NR-L…
Read full rule →King County
Some RestrictionsUnincorporated King County caps impervious surface, pavement, roofs, decks, by zone under Code § 21A.09H.030: 55% in…
Read full rule →Kirkland
Some RestrictionsKirkland caps a single-family lot at 50 percent impervious lot coverage under KZC 15.30.060, the Density/Dimensions…
Read full rule →Lacey
Some RestrictionsIn the City of Lacey, Washington, the Low Density Residential District caps building area coverage at 50 percent of the…
Read full rule →Lakewood
Some RestrictionsLakewood caps building coverage at 45 percent of the lot in the R1 through R3 single-family zones, 50 percent in R4…
Read full rule →Lewis County
Some RestrictionsIn the Packwood and Onalaska Small Town Urban Growth Areas, commercial lot coverage is capped by zone rather than by…
Read full rule →Lynnwood
Some RestrictionsIn Lynnwood's Alderwood-city center transition area (ACC) zone, LMC 8.30.0440(B)(1) caps building coverage at 70…
Read full rule →Marysville
Some RestrictionsMarysville Municipal Code § 22C.010.080(2) caps building coverage and total impervious surface for every residential…
Read full rule →Mason County
Some RestrictionsIn the R-1 Single-Family Residential district of Mason County's Allyn urban growth area, Mason County Code § 17.11.150…
Read full rule →Olympia
Some RestrictionsIn the City of Olympia, Washington, residential impervious surface limits sit in Table 4.04 of OMC 18.04.080, and…
Read full rule →Pasco
Some RestrictionsPasco caps residential lot coverage at 60 percent for detached single-family and multifamily buildings across the R-1…
Read full rule →Pierce County
Some RestrictionsIn unincorporated Pierce County, detached accessory structures on residential lots under 1 acre cap out at 2,000 total…
Read full rule →Port Townsend
Some RestrictionsPort Townsend limits building lot coverage to 25-75% of a parcel depending on the residential zoning district, with…
Read full rule →Puyallup
Some RestrictionsTable 20.20.020 caps how much of an RS-zoned lot a structure may cover: there is no fixed percentage in RS-35, but…
Read full rule →Renton
Some RestrictionsRenton caps building lot coverage between 10% in the Resource Conservation zone and 50% in R-8, with impervious surface…
Read full rule →Richland
Some RestrictionsRMC § 23.18.040 caps how much of a residential lot in the City of Richland, Washington can be covered by buildings: 40…
Read full rule →Seattle
Some RestrictionsSMC 23.44.080 caps structure coverage at 50 percent of the lot in Seattle's Neighborhood Residential zones, rising to…
Read full rule →Shoreline
Some RestrictionsTable 20.50.020(1) of Shoreline Municipal Code § 20.50.020 caps impervious hardscape coverage at 50 percent of the lot…
Read full rule →Skagit County
Some RestrictionsTable 14.11.030-1 caps impervious lot coverage in unincorporated Skagit County's Rural Mixed-Use zones: 35 percent in…
Read full rule →Snohomish County
Some RestrictionsSnohomish County caps how much of a lot a building can cover through the bulk matrices in SCC 30.23.010, with most…
Read full rule →Spokane County
Some RestrictionsIn Spokane County, maximum building coverage is 55% of lot area in the Low Density and Low Density Plus Residential…
Read full rule →Spokane Valley
Some RestrictionsSpokane Valley caps how much of a residential lot a building can cover under Table 19.70-1 of the zoning code: 30…
Read full rule →Tacoma
Some RestrictionsTacoma caps total building coverage at 65% of lot area in its R-4 and R-5 multi-unit districts; single-family UR-zoned…
Read full rule →Thurston County
Some RestrictionsIn Thurston County's unincorporated Low-Density Residential District 0-6, Code Section 21.12.050 caps building…
Read full rule →Walla Walla County
Some RestrictionsIn unincorporated Walla Walla County, lot coverage caps run by zoning district under the density and dimensional…
Read full rule →Whatcom County
Some RestrictionsIn Whatcom County's Residential Rural (RR) zone, the base rural zoning covering most of the unincorporated county…
Read full rule →Yakima County
Some RestrictionsUnincorporated Yakima County caps building and impervious lot coverage by residential zone: 60% in the SR, R-1 and R-2…
Read full rule →