Building Permits in Issaquah, Washington
Part of King County.
We have not yet verified rules published by Issaquah itself. Below are the Washington rules that apply, and where to ask.
Where to apply
Permits in Issaquah are issued by the city's building or planning department. If the city does not run its own permit office, King County handles applications.
Washington statewide rules
State defaults apply everywhere in the state; cities and counties may add stricter local rules.
- Issued by
- State Building Code Council source: app.leg.wa.gov
- Building code
- 2021 edition of the International Residential Code source: app.leg.wa.gov
- Local changes allowed
- Limited source: app.leg.wa.gov
ADU
- Conditions
- A city or county must allow at least two accessory dwelling units on lots in urban growth area zoning districts that allow single-family homes. source: app.leg.wa.gov