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Most King County offices will be closed on Monday, for Presidents Day.  
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We issue land use, building, mechanical, fire regulatory and operating permits for unincorporated areas of King County.

What type of permit do you need?

Commercial and Multi-family

For new construction, and additions/alterations to existing buildings, including commercial tenant improvements

Single Family
and Duplex

For new construction, and additions/alterations to existing buildings, including detached garages and mechanical systems

Land Use

For clearing and grading, rezoning, right-of-way use, land division, tree removal, and other land permits

Fire permits

Fire permits for fireworks stands and displays, sprinkler systems, special event (fire safety) and installation and decommissioning of flammable liquid tanks, such as propane/LPG tanks.

King County Permitting Portal:

  • Residential Mechanical Permits

MyBuildingPermit.com:

  • Residential Basics Program (limited to licensed contractors)
  • Critical Areas Designation and Extension
  • Zoning and Historical Certification Letter
  • Fuel Tanks, Decommissioning Underground
  • Fuel Tanks, Installation and Relocation
  • Fire Permit for Commercial and Multi-Family Sprinklers
  • Fire Permit for Residential Sprinklers
  • Fire–Fireworks Display
  • Fire–Fireworks Stand
  • Shoreline Exemption
  • Special Event


Department of Local Services, Permitting Division

206-296-6600
DPERWebinquiries@kingcounty.gov

35030 SE Douglas Street, Suite 210
Snoqualmie, WA 98065-9266

Mon, Tues, Thur, Fri:     7:30-11:30 am & 1:00-3:00 pm
Wednesday:     Closed