Permits & Inspections
Our lobby services are closed. All permit applications can now be submitted online.
King County Permits has suspended lobby services in our Snoqualmie and Vashon Island offices. See available and alternative services
To ensure the safety of all customers and staff members, King County employees are following Public Health-Seattle & King County guidance and the Governor’s pandemic guidelines.
We issue land use, building, mechanical, fire regulatory and operating permits for unincorporated areas of King County.
Apply online: Now you can apply for permits online. Learn more
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.
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
35030 SE Douglas Street, Suite 210
Snoqualmie, WA 98065-9266
206-296-6600 | DPERWebinquiries@kingcounty.gov
Days of operation
Monday, Tuesday, Wednesday, Thursday, Friday
In-person customer service hours - Permitting Office is closed (see details at the top of web page)
If you have questions or would like to inquire about alternatives, please email DPERWebInquiries@kingcounty.gov.
Customer service phone hours
9:30 a.m.–3:30 p.m.
Tools and Resources