Permits & Inspections
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
- 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
Do I need a permit?
Find out if your project needs a permit for unincorporated King County.
Inspections
Inspection scheduling for building, fire and land use, as well as inspection scheduling information for electrical (Labor & Industries), septic, public pools, plumbing and wells (Seattle - King County Public Health)
Other agency services
Find information how to obtain special use (of King County properties), plumbing, electrical, septic system, and hydraulic permits. Also information regarding business licenses and historic preservation.
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 |