Driveway permit requirements are set at the local level in every state — by state DOT for state roads, by counties for county roads, and by cities for municipal streets. Select your state below for an overview of how the system works in your area, typical fees, and who to contact.
Detailed State Guides
These five states have our most complete coverage with specific fee data, culvert material rules, and agency contacts:
Texas
TxDOT vs. county vs. city — three different systems. CMP culverts required on state roads.
Florida
Decorative paver restrictions in ROW, FDOT permits, and county-by-county culvert rules.
California
Caltrans encroachment permits, coastal zone rules, and water quality requirements.
Ohio
County engineer system, some of the lowest fees in the country (\$20 in some counties).
Pennsylvania
PennDOT Highway Occupancy Permits, Chapter 441, and stormwater rules.
All States
Don't see your state? Use the Permit Checker Tool for a general estimate, or see How to Apply for universal guidance that applies in every state.