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.

HI — statewide

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

Building code2018
Not yet confirmed on an official sourceOfficial source
Residential code2018
Not yet confirmed on an official sourceOfficial source
Existing building code2018
Not yet confirmed on an official sourceOfficial source
Energy code2018
Not yet confirmed on an official sourceOfficial source
Electrical code2018

See how a full code review reads

A PermitPrep.AI report checks a drawing set against the editions above and flags what needs attention.

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