Building Permit Guides

Find out what permits you need, how much they cost, and how to apply. Guides for every state and major city.

By Permit Type

Required for most structural changes, additions, and major renovations.

Required for new wiring, panel upgrades, and electrical modifications.

Required for new plumbing lines, fixture relocations, and water heater installs.

Required for HVAC installation, ductwork changes, and ventilation systems.

Required in most jurisdictions for roof replacement or major repairs.

Required for tearing down structures or removing major building components.

Permit requirements vary significantly by state and city. Select your state.