King County Building Departments (Washington)

King County Building Departments develop and enforce building codes to ensure the construction of safe buildings in King County, Washington. The Building Department maintains building and zoning records, including design plans for construction and renovation projects, records on the current structures on any parcel, maps showing property lines, and King County building permits issued by the department. They also keep records on a property's compliance with King County building codes, including building and zoning violations, as well as records of inspection reports. Many Building Departments provide online access to building records.

Auburn Permits Auburn WA 25 West Main Street 98001 253-931-3020

Bellevue Permits Bellevue WA 616 120th Avenue Northeast, Ste C201 98005 425-990-1400

Bothell Building Department Bothell WA 9654 Northeast 182nd Street 98011 425-486-2768

Bothell Zoning Bothell WA 9654 Northeast 182nd Street 98011 425-486-8152

Burien City Permits Burien WA 400 Southwest 152nd Street, Ste 300 98166 206-248-5520

Des Moines Building Department Des Moines WA 21630 11th Avenue South, # D 98198 206-870-7576

Duvall Planning Department Duvall WA 15535 Main Street Northeast 98019 425-788-2779

Enumclaw Planning Department Enumclaw WA 1309 Myrtle Avenue 98022 360-825-3593

Federal Way Permits and Zoning Federal Way WA 33325 8th Avenue South 98003 253-835-2607

Issaquah Building Department, Planning, Zoning and Permits Issaquah WA 1775 12th Avenue Northwest 98027 425-837-3080

Kent City Zoning Kent WA 400 West Gowe Street 98032 253-856-5454

Kirkland City Building Department Kirkland WA 123 5th Avenue 98033 425-587-3600

Kirkland Planning Department Kirkland WA 123 5th Avenue 98033 425-587-3225

Maple Valley Building Department Maple Valley WA 22035 Southeast Wax Road, Ste 5 98038 425-413-5077

Northwest Building Department Kirkland WA 12015 115th Avenue Northeast, Ste 225 98034 425-814-6924

Pacific Building Department Pacific WA 100 3rd Avenue Southeast 98047 253-833-2660

Redmond Permits and Zoning Redmond WA 15670 Northeast 85th Street 98052 425-556-2473

Redmond Planning Department Redmond WA 15670 Northeast 85th Street 98052 425-556-2440

Renton Building Department, Planning, Zoning and Permits Renton WA 1055 South Grady Way 98057 425-430-7200

Seattle Permits Seattle WA 610 5th Avenue 98104 206-684-5454

Seattle Planning Department Seattle WA Ste 2000, 700 5th Ave, Ste 2000 98104 206-684-8850

Seattle Zoning Seattle WA 700 5th Avenue, Ste 2000 98104 206-615-0808

Snoqualmie Building Department Snoqualmie WA 38624 Southeast River Street 98065 425-888-5435

Tukwila Planning Department Tukwila WA 6300 Southcenter Boulevard, Ste 100 98188 206-431-3670

Washington State Permits Bellevue WA 10833 Northup Way 98004 425-739-3730

Woodinville Building Department and Zoning Woodinville WA 17301 133rd Avenue Northeast 98072 425-489-2754

King County Building Inspectors ensure that building construction is in compliance with building and zoning codes in King County, WA. They maintain documents on permits issued by the King County Building Department, including construction, relocation, demolition, and occupancy permits. Building Inspectors also keep approved and rejected building plans and blueprints, records on a property's compliance with King County building codes, and records on building and zoning violations and inspection reports. Many Building Inspectors make these building and zoning records available to the public online.

Bellevue Building Inspector Bellevue WA 450 110th Avenue Northeast 98004 425-452-6875

Bellevue-North East King County Building Inspector Bellevue WA 616 120th Avenue Northeast, c201 98005 425-990-1440

Bothell Building Inspector Bothell WA 9654 Northeast 182nd Street 98011 425-486-2768

Federal Way Building Inspector Federal Way WA 33325 8th Avenue South 98003 253-835-3050

King County Building Inspector Seattle WA 201 West Smith Street, 200 98119 206-296-4732

Seattle Building Inspector Seattle WA 999 3rd Avenue, 700 98104 206-296-0100


King County Treasurers and Tax Collectors are responsible for the collection of property tax revenue in WA. The Office of the Treasurer and Tax Collector maintains and updates records on every parcel in the district, as well as maintaining certain building and zoning records. These records include building valuations, zoning boundaries, and building construction. Treasurers and Tax Collectors also keep documents on King County property taxes, including property tax assessments, defaults on property taxes, and tax liens. The office may also maintain information on property auctions and a property's prior liens or foreclosures. Many Treasurers and Tax Collectors provide online databases to access their King County building records, including documents on building and zoning.

Hunts Point Treasurer Hunts Point WA 3000 Hunts Point Road 98004 425-455-1834

King County Treasurer's Office Seattle WA 500 4th Avenue 98104 206-296-0923

Seattle Treasurer Seattle WA 700 5th Avenue 98104 206-684-0242


King County Assessors evaluate the value of properties and parcels in order to determine property taxes. The Assessor's Office maintains current data on every property in the King County, WA including inventories of parcels and structures, zoning boundaries, and the value of all the property in the jurisdiction. Assessors may also keep King County building and zoning records, such as reports from on-site inspections, maps of property lines and zones, and value assessments for building improvements. Many Assessor's Offices provide online access to their records, including documents on building and zoning.

King County Assessor's Office Seattle WA 500 4th Avenue 98104 206-296-7300


King County Code Enforcement Departments ensure compliance with building and zoning codes for a county or local government. Code Enforcement Departments in Washington keep records on building code violations, zoning regulations, and zoning violations. They also maintain records on King County building inspections, complaints filed against properties or businesses, violations issued by the department, and other local rules and regulations. The records maintained by the Code Enforcement Department are often available online.

Seatac Code Enforcement SeaTac WA 4800 South 188th Street 98188 206-973-4763

Shoreline Code Enforcement Shoreline WA 17544 Midvale Avenue North 98133 206-546-1700