Permits & Inspections
Permitting services are available online via this website and MyBuildingPermit.com. For details and information about our new location and office hours, see our Customer Service Bulletin.
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
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 sprinkler systems, special events (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
919 SW Grady Way, Suite 300
Renton, WA 98057
Most of our staff members are working remotely. Most permitting services are available on this website and MyBuildingPermit.com. Beginning June 23, 2022, some in-person services will be available in our Renton office. For details, see our Customer Service Bulletin.
Ask us a question « Fill out our form to get a response
To reach customer service, call 206-296-6600 during the following hours: 9-11 a.m. and 12:30-2:30 p.m., Monday, Tuesday, Thursday, Friday.
Tools and Resources