Related building permits for unincorporated King County
The following permits are NOT administered by DDES but may be required in addition to a building permit:
- Plumbing and on-site septic systems
- Electrical wiring
- Elevators
Plumbing and on-site septic system permits
In unincorporated King County, permits that are required for gas piping, plumbing, and on-site septic systems for construction are administered and permitted by Public Health - Seattle & King County. For more information, see DDES FAQ or refer to information Public Health offers about plumbing at www.metrokc.gov/health/plumbing and about septic systems at www.metrokc.gov/health/wastewater.
Electrical wiring permits
In unincorporated King County, the design, installation, or modification to electrical wiring is permitted through the Washington State Department of Labor and Industries (L&I). For more information, see DDES FAQ or refer to L&I's Web site at www.lni.wa.gov/TradesLicensing/Electrical/.
Elevator permits
In unincorporated King County, elevator permits also are administered by the Washington State Department of Labor and Industries (L&I). For more information see DDES FAQ or refer to L&I's Web site at www.lni.wa.gov/TradesLicensing/Elevators.