Apply for a commercial & multi-family permit
King County Permits has suspended lobby services in our Snoqualmie and Vashon Island offices. See available and alternative services
For new construction, and additions/alterations to existing buildings, including commercial tenant improvements
Check jurisdiction and zoning to determine whether your property is located in unincorporated King County or is located within city limits.
Schedule a pre-application meeting
Pre-application meetings are held between a prospective permit applicant and Permitting Department staff before a permit application is filed.
Download application materials
Find and download the application materials that align to your project on our permit application forms listed by packet page, including the following:
- Commercial Construction
- Commercial Tenant Improvements
- Commercial Signs
- Commercial Cellular Communication Facilities
- Commercial, Mechanical - available on MyBuildingPermit.com
You can also pick up materials at our Snoqualmie office, or have them mailed to you by calling 206-296-6600 or emailing DPERwebinquiries@kingcounty.gov.
King County will preform a review of the application to ensure code compliance and safety requirements.
- Permit review time forecast
- Check fee schedule
OTHER RELATED PERMITS
Full listings of all Permitting forms and information sheets
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