King County permits
By Mario Bailey Last checked 2026-06-18 · 2 official sources
Verified against official sourcesKing County Department of Local Services Permitting Division
- 919 SW Grady Way Suite 300, Renton, WA 98057
- Phone: (206) 296-6600
- Email: PermitQuestions@kingcounty.gov
- Official permit page
- Permit portal
- Official fee schedule
Look up a permit in King County
King County runs an online permit portal. Many local portals let you check application status, search permit records, and view inspection results without calling the office.
Search the King County permit portal
Planning a project in King County?
Hire it out
Before you sign, ask the contractor:
- Who pulls the permit, you or me, and is the permit fee included in the bid?
- Which inspections will this job need, and who meets the inspector on site?
- Is your contractor license active in this locality, and under which business name?
Want a pro to handle this permit? Request free help
Tell us where your project stands. Free to ask; no obligation.
Where we have a vetted local pro who handles permits in King County, we connect you; otherwise we reply with the exact steps and office links for your situation. PermitNotebook is not a government agency and does not file permits. This is a free referral request; we may earn a fee if you hire a pro we introduce. Partners never influence our permit data. Privacy policy.
Planning several things at once? Check your whole project
Permitting activity in King County
In 2024, King County authorized permits for 10,564 new residential housing units (2,352 single-family, 8,212 in multi-family buildings), valued at $2.7B , down from10,601 the year before. That works out to about 4.5 permits per 1,000 residents. It is a useful gauge of how busy the local permit office is.
Source: U.S. Census Bureau, Building Permits Survey, 2024 annual data · population 2,340,211.
About King County
King County has about 988,330 housing units. The median home is valued at $811,200, against a median household income of $122,148. About 56% of homes are owner-occupied, and the typical home was built around 1983. Older housing stock usually means more renovation, electrical, and plumbing permits.
Source: U.S. Census Bureau, American Community Survey 2023 5-year.