Electrical Permit in King County, Washington

Permit required?

Yes, a permit is required.

When a permit is usually needed

For all residential electrical work in unincorporated King County

Permit cost and what affects it

Fees are set by the locality and are not published here. See the official fee schedule or contact the office for current amounts.

Permit costs generally depend on the project valuation, the scope of work, and the inspections required. Ask the office how the fee is calculated for your specific project.

Where to apply

• Official permit page
• Permit portal

Frequently asked questions

Do you need a electrical permit in King County?

Residential electrical permits in unincorporated King County are issued by the Washington State Department of Labor and Industries (L&I) not by King County. Homeowners must obtain a state electrical permit for wiring, panel upgrades, and other electrical work. Inspections are scheduled through L&I. These rules apply to unincorporated King County; contact King County Permits at 206-296-6600 for coordination questions. Always confirm with the Washington State Department of Labor and Industries before starting.

How much does a electrical permit cost in King County?

Fees are set by King County and are not published here. Contact the office for current amounts.

How long does a electrical permit take in King County?

Processing time for a electrical permit in King County varies by workload and project scope. Contact the Washington State Department of Labor and Industries for a current estimate.

Where do you apply for a electrical permit in King County?

You can apply through the King County permit portal or contact the Washington State Department of Labor and Industries directly. The links are listed on this page.

Official sources

• https://kingcounty.gov/en/dept/local-services/certificates-permits-licenses/permits/permits-inspections-codes-buildings-land-use/do-you-need-a-permit
• https://lni.wa.gov/licensing-permits/electrical/electrical-permits/