Apply for a commercial & multi-family permit
Online service interruptions
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
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