Gas Line Repair & Replacement in San Diego, CA
A&A Plumbing repairs, replaces, and installs residential gas lines across San Diego. From a hissing fitting to a new line for an outdoor kitchen, we leak-test and pressure-test every job before we call it done.
- Licensed C-36 Gas Plumbers
- Permit & Inspection Included
- Leak & Pressure Test on Every Job
Gas Line Repair & Replacement Done to Code
In San Diego, SDG&E owns the gas main and service line up to your meter. Everything downstream — the house-side piping and appliance connections — belongs to you. That is the part A&A Plumbing repairs, replaces, and installs.
Gas is not a DIY repair. California requires a licensed C-36 plumber for residential gas line work, and unpermitted work can void your insurance and cause resale problems. Every job includes a combustible-gas leak check, a pressure test, a City permit, and an inspection.
Most older San Diego homes were plumbed in black iron, while newer homes often use CSST corrugated stainless steel. Near the coast, marine salt air accelerates corrosion at fittings, so we replace pitted fittings early. Call (619) 637-5215 for a free estimate.
Residential Gas Line Services in San Diego
From leak repair to new appliance lines, we handle it all.
Gas Leak Repair
We pinpoint leaks at fittings, valves, and appliance connections, then repair and re-test.
Gas leak repair →New Gas Line Installation
New lines for ranges, dryers, fireplaces, and generators, run to code and inspected.
Plumbing installation →Gas Line Replacement & Rerouting
Corroded runs replaced and CSST reroutes for remodels, with the main upsized as needed.
Repipe & pipelining →Tankless Gas Line Upsizing
Tankless heaters need more gas, so we upsize the main and verify BTU capacity.
Tankless water heaters →Outdoor Kitchen, BBQ & Fire Pit Lines
Dedicated lines for BBQs, fire pits, and patio heaters, each with an outside shutoff.
Kitchen plumbing →Gas Appliance Hookups
Ranges, dryers, water heaters, and log sets connected with new flex connectors.
Water heaters →Gas Line Repair Cost by Scope
Prices reflect typical 2026 San Diego ranges for parts and labor, including the leak check and pressure test. Permit fees are separate, about $195 in the City of San Diego.
| Scope | Typical Cost | What It Covers |
|---|---|---|
| Pressure test only | $200 – $400 | 10 PSI test with no measurable drop |
| Appliance flex connector replacement | $200 – $450 | New connector, shutoff valve, and leak check |
| Exposed-section repair | $400 – $900 | Accessible pipe repaired or replaced in place |
| In-wall repair (with drywall patch) | $700 – $1,800 | Cut, repair, and patch the wall |
| Underground repair | $1,200 – $3,500 | Trenching, new line, and backfill |
| New gas line installation | $300 – $3,000 | New run to an appliance or outdoor feature |
A Gas Job You Can Follow Step by Step
Here is what to expect from first call to final inspection.
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1
Call or Request Service
Reach us at (619) 637-5215 or book online. If you smell gas, leave and call SDG&E at 1-800-411-7343 first.
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2
Inspect & Permit
We scope the line, confirm the gas load in BTUs, and pull the City permit.
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3
Repair or Install
We replace or run the line in black iron or CSST, then pressure test the system at 10 PSI.
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4
Test & Inspect
We run a combustible-gas leak check, meet the inspector, and walk you through the work.
Gas Line Service Across San Diego County
Our gas plumbers work throughout the county. Find your neighborhood below.
Gas & Plumbing Guides
Learn more about costs, permits, and common problems.
Gas Line Questions, Answered
Still have a question? Call us at (619) 637-5215.
Who owns the gas line, the homeowner or SDG&E?
SDG&E owns the gas main and service line up to your meter. You own everything downstream of the meter, including house-side piping and appliance connections, which is what we repair and replace.
How much does gas line repair cost in San Diego?
In 2026, flex connector replacement runs $200 to $450, exposed-section repair $400 to $900, in-wall repair with a drywall patch $700 to $1,800, and underground repair $1,200 to $3,500. A pressure test alone is $200 to $400.
Do I need a permit for gas line work?
Yes. Residential gas work requires a City permit and inspection, about $195 in the City of San Diego. We pull it for you. Unpermitted work can void your insurance and cause resale problems.
Can you upsize my gas line for a tankless water heater?
Yes. Tankless heaters draw far more BTUs than a storage tank, so we calculate the load, upsize the main or branch line, and pressure test to confirm it holds.
What should I do if I smell gas?
Leave the building immediately and call SDG&E's emergency line at 1-800-411-7343 from outside. Do not use switches or phones. Once it is safe, call us at (619) 637-5215 to repair the leak.
Need a Gas Line Repaired or Replaced?
Call A&A Plumbing for licensed, permitted gas line work.