Frequently Asked Questions

Enter a job address, and we determine which jurisdiction handles plumbing permits using public boundary data and our researched permit office database.

We use official government boundary data combined with our researched database of permit offices. Verified entries (marked with ✓) have been personally confirmed.

Important: Always verify with your local permit office before starting work, as requirements can change.

Yes. Permit Atlas helps you identify the correct jurisdiction quickly, but you should always contact the permit office to confirm current requirements, fees, and processing times.

Think of Permit Atlas as your starting point, not your final answer.

We cover roughly 20,000 permitting jurisdictions and keep researching and verifying more. If we haven't added the office for your area yet, Permit Atlas still tells you whether the address is in a city or a county.

Try reformatting the address (e.g., "123 Main St, Houston, TX"). If still not found, the address may be in an unincorporated area.

You can report missing jurisdictions using the "Report Issue" button on the results page.

It means we haven't confirmed whether that jurisdiction requires a permit for residential plumbing. Contact the office directly and confirm before you start the work.

Free to use - Unlimited lookups with permit data, no credit card required.

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Yes! Permit Atlas works on any device. Visit permit-atlas.com from your phone or tablet.

Boundary data: Updated annually from official sources

Permit requirements: Updated as we research and verify

If you notice incorrect information, use the "Report Issue" feature.