Free permit guides for homeowners across all 50 US states. Find out the rules for your project before you start building.
Select a project to see permit requirements across all 50 states.
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Thresholds, fees, and how to apply
Permit rules for every project type in your state.
1,500+
Permit guides
50
States covered
255
Cities
2026
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Plain-English answers to the questions homeowners ask about permits, inspections, and getting projects approved.
A plain-English guide to what a building permit actually is, when you need one, what it costs, how to apply, and what happens if you skip it.
Read article →Stop-work orders, fines, forced removal, and resale headaches. The real consequences of skipping a permit, and what to do if work was already done without one.
Read article →The process, the cost, and the honest reality of legalizing work that was already built. As-built drawings, destructive testing, and what to do when the code won't allow it.
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