Check permit requirements, estimated costs, and your local building department, for any project, across all 3,143 U.S. counties.
Searching across all 50 states, 3,143 counties, and thousands of cities...
Choose from fences, roofing, pools, and other common residential builds.
Our database covers all 50 states, over 3,000 counties, and thousands of cities across the US.
See if a permit is required, estimate local fees, and get your building department's phone and permit portal.
Original Research
We analyzed the building code in all 50 states. See the map and the full breakdown.
Stay up to date with the latest changes in municipal zoning laws, contractor licensing, and residential building codes.
Everything you need to know about structural safety, legal compliance, and avoiding fines before you start your project.
Juan Cruz
Zoning & Code Specialist • May 14, 2026
Starting work before the permit is issued can lead to double fees and stop-work orders. Learn how to navigate the process smoothly.
Juan Cruz
Zoning & Code Specialist • May 12, 2026
Learn how to accurately estimate your home remodeling budget, factoring in hidden costs, local municipal fees, and contingencies.
Juan Cruz
Zoning & Code Specialist • May 10, 2026
Discover what an owner-builder exemption is, the legal liabilities involved, and when it makes sense to pull your own building permit.
Juan Cruz
Zoning & Code Specialist • May 8, 2026
Discover the true financial and legal dangers of unpermitted work, from retroactive fines to denied insurance claims and real estate roadblocks.
Juan Cruz
Zoning & Code Specialist • May 5, 2026
Learn when a roof replacement requires a building permit, focusing on structural changes, tear-offs, and climate-specific codes.
Juan Cruz
Zoning & Code Specialist • May 3, 2026
Demystify local zoning ordinances, setbacks, and land-use rules to ensure your construction project is legally permissible.
Juan Cruz
Zoning & Code Specialist • May 1, 2026
Understand the difference between municipal building permits and Homeowners Association approvals, and learn the correct order to apply.
Juan Cruz
Zoning & Code Specialist • Apr 28, 2026
Explore how new energy codes and sustainable building requirements are impacting the permit process and construction costs in 2026.
Juan Cruz
Zoning & Code Specialist • Apr 25, 2026
Prepare for your municipal building inspections with this comprehensive homeowner checklist covering rough-ins, framing, and final walk-throughs.
Juan Cruz
Zoning & Code Specialist • Apr 22, 2026
Planning to build a pool? Learn about the complex permit requirements involving soil tests, electrical bonding, and mandatory safety fences.
Juan Cruz
Zoning & Code Specialist • Apr 20, 2026
Understand the fast-tracked solar permitting process, structural requirements, and how delays can impact your federal tax credits.
Juan Cruz
Zoning & Code Specialist • Apr 18, 2026
Detailed guides covering the state building code, the agencies that set the rules, and how individual counties differ. Pick a project to see every state guide available.