Which building code applies to your permit

Pick a state and, if you want, a city or county, then a permit date. You get the building, residential, energy, electrical, plumbing, mechanical and fire code editions in force on that date, with the official source for each. No signup.

WA — statewide

Editions in force for a permit dated 2026-10-22.

Building code2021
ConfirmedEffective 2024-03-15Official source
Upcoming change: 2024 on 2027-05-03
Residential code2021
ConfirmedEffective 2024-03-15Official source
Upcoming change: 2024 on 2027-05-03
Existing building code2021
ConfirmedEffective 2024-03-15Official source
Upcoming change: 2024 on 2027-05-03
Energy codeWSEC 2021
ConfirmedEffective 2024-03-15Official source

See how a full code review reads

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