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Effective July 1, 2016, King County began enforcement of the 2015 International Building Codes Series as adopted and modified by Washington State and King County. These codes include the:

  • International Building Code
  • International Residential Code
  • International Fire Code
  • International Mechanical Code
  • International Existing Building Code
  • International Property Maintenance Code
  • International Existing Building Code
  • International Swimming Pool and Spa Code
  • 2015 Washington State Building Code
More information regarding these codes can be found on the following sites:

International Building Codes

Washington State Building Codes

King County Code

Sprinkler system

If property owners are preparing to submit building plans for a residential building permit, you need to determine if there is a need to install an automatic fire sprinkler system. A separate permit is required before installing a sprinkler system.

Fuel tanks

  • For information on fuel tank installing, relocating, or decommissioning, see Fuel Tanks
  • Apply for a fuel tank installation, relocation or decommission permit on

Department of Local Services, Permitting Division


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