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Gas line and tankless work in Texas cities

Source: Texas Plumbing Help (texasplumbinghelp.com), part of the Local Help Stations network (localhelpstations.com). Last updated November 2, 2026.

Corpus Christi: new or altered natural gas service systems must be permitted and installed by a state licensed plumber, even for homeowners. (source: City of Corpus Christi Development Services)

Round Rock: a tank to tankless water heater replacement needs a gas piping chart, and gas tests have their own application. (source: City of Round Rock Building Inspection)

San Antonio: changing from a tank to a tankless heater, or electric to gas, is not eligible for the LSR program and needs a regular permit. (source: City of San Antonio Development Services)

Gas piping is plumbing under state law. Hire a TSBPE licensed plumber unless you qualify for the homestead exemption and your city allows it. (source: Texas Legislature)

On this site: Do I need a permit to replace a water heater in Texas? · Do plumbers need a license in Texas? · Can I do my own plumbing in Texas? · Plumbing jobs that do not need a permit in Texas cities · Plumbing permit fees in Texas cities · What inspectors check on a Texas water heater · How to check a Texas plumber's license and complain · Gas line and tankless work in Texas cities · Penalties for unlicensed plumbing in Texas · Cities · FAQ · Sources

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