Smell Gas? Do This Immediately.
- Leave the building now — do not use any electrical switches or open flames
- Call 911 and your gas company from outside — they shut off service at the meter
- Do not re-enter until the gas company clears the building
- Call a licensed plumber for the repair — after the gas company confirms it is safe
Gas Line Repair Costs in San Antonio (2026)
| Service | Cost Range |
|---|---|
| Gas leak detection / inspection | $100–$300 |
| Gas line repair (minor) | $150–$400 |
| Gas line repair (major) | $500–$2000 |
| New gas line installation | $500–$2000 |
| Gas line relocation | $500–$1500 |
| Whole-house gas repiping | $3000–$8000 |
All gas line work in Texas requires a licensed plumber and a permit. Prices as of 2026 for San Antonio.
License required: In Texas, all gas line work must be performed by a licensed plumber with gas certification. Verify any contractor at https://www.tsbpe.texas.gov/ before work begins. Never allow unlicensed gas work.
What to Expect During Gas Line Work in San Antonio
1
Licensed plumber pulls a permit
Gas work in San Antonio requires a permit from Bexar County. The plumber pulls this — not you.
2
Pressure test before and after
The line is pressure-tested to confirm there are no leaks before gas service is restored.
3
Gas company reconnects service
After repair and inspection, your gas utility restores service — the plumber cannot do this step.
4
Inspection sign-off
A city inspector signs off on the permitted work before use. This protects you and satisfies your insurance.
Common Plumbing Issues in San Antonio
Water is 300–400 ppm — hardest in Texas
Edwards Limestone bedrock very close to surface
No 100-year flood plain (spring-fed aquifer)
Feb 2021 freeze caused widespread pipe damage
Frequently Asked Questions
How much does gas line repair cost in San Antonio?
Minor gas line repairs in San Antonio run $150–$400. Major repairs and new line installation cost $500–$2000. Whole-house gas repiping ranges from $3000–$8000. All gas line work requires a licensed plumber and a permit in Texas.
Is a gas leak an emergency?
YES — immediately. Leave the building, do not operate any electrical switches or open flames, call 911 and your gas company first to shut off service, then call a licensed plumber. Do NOT attempt to find or fix the leak yourself. Do not re-enter until the gas company has cleared the building.
Can I repair a gas line myself in San Antonio?
NO. Gas line work requires a licensed plumber and a permit in Texas. DIY gas line work is illegal and extremely dangerous — even a minor mistake can result in explosion, fire, or carbon monoxide poisoning. Always verify your plumber's license at https://www.tsbpe.texas.gov/ before gas work begins.
How do I find a licensed gas line plumber in San Antonio?
Use RateYourPlumber.com to find licensed, reviewed plumbers in San Antonio who handle gas line work. Verify any plumber's license at https://www.tsbpe.texas.gov/ — confirm the license specifically covers gas work. Get a written permit number before work starts.
Find a Licensed Plumber in San Antonio
Compare verified reviews and check license status for plumbers serving San Antonio and Bexar County.
Find Plumbers in San Antonio