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PermitRoadmap

Do I need a permit for plumbing fixture or repiping in Harris County (Unincorporated)?

Permit required

Yes. In Texas, plumbing fixture or repiping generally requires a permit, and Harris County (Unincorporated) is no exception.

Re-piping a home water supply or drain lines requires a plumbing permit and must be performed by or under a licensed plumber in most Texas cities. Opening walls for the re-pipe can add a cover inspection before closing up. Confirm the required inspections with your local building department. In Harris County, permits outside the cities are handled by the Harris County Office of the County Engineer - Permits, reachable on 713-274-3900 at https://oce.harriscountytx.gov/Services/Permits. Its online permit portal is https://epermits.harriscountytx.gov. This office covers the unincorporated parts of Harris County. Texas counties differ widely in how much residential work they permit, and many do not issue residential building permits at all, so confirm what your specific project needs. If your address sits inside a city, that city issues the permit instead. The rough inspection has to happen before walls are closed, so confirm scheduling lead time when you pull the permit.

Local detail for Harris County (Unincorporated): Harris County issues building permits only for unincorporated Harris County. Property inside a city (Houston, Pasadena, and others) is permitted by that city.

Documents you may need

  • Permit applicationrequired
  • Licensed plumber informationLikely required
  • Plan or description of the re-pipe scopeSometimes required

Possible inspections

  • Rough plumbing inspection with pressure test
  • Final plumbing inspection

Frequently asked questions

Do I need a permit for plumbing fixture or repiping in Harris County (Unincorporated)?
Yes. In Texas, plumbing fixture or repiping generally requires a permit, and Harris County (Unincorporated) is no exception. Re-piping a home water supply or drain lines requires a plumbing permit and must be performed by or under a licensed plumber in most Texas cities. Opening walls for the re-pipe can add a cover inspection before closing up. Confirm the required inspections with your local building department. In Harris County, permits outside the cities are handled by the Harris County Office of the County Engineer - Permits, reachable on 713-274-3900 at https://oce.harriscountytx.gov/Services/Permits. Its online permit portal is https://epermits.harriscountytx.gov. This office covers the unincorporated parts of Harris County. Texas counties differ widely in how much residential work they permit, and many do not issue residential building permits at all, so confirm what your specific project needs. If your address sits inside a city, that city issues the permit instead. The rough inspection has to happen before walls are closed, so confirm scheduling lead time when you pull the permit.
Who issues the permit in Harris County (Unincorporated)?
The local building department for Harris County (Unincorporated) handles permitting. This page lists its contact details and online portal. Your mailing city is not always the permitting authority, so confirm the jurisdiction before you apply.
How do I find out the exact requirements for my project?
Run the free PermitRoadmap check for your specific project and answers. It returns the likely permits, documents, inspections, and next steps, each linked to its official source.

PermitRoadmap is an independent informational service and is not affiliated with any city, county, state agency, or permitting authority. Results are informational and do not replace confirming requirements with the local permitting authority.