Gas Line Repair & Installation
Gas line work needs a licensed plumber, a permit, and an inspection. Here are the warning signs of a leak, what to do first, and what gas line repairs typically cost.
Quick answer
Typically $150 to $2,000
in Los Angeles and Orange County. Estimates, not quotes.
- Gas Leak Detection$150 to $350
- Gas Line Repair$200 to $600
- Gas Line Extension / New Run$300 to $900
Signs of a Gas Leak
Trust your senses. Any of these signs mean you need professional help immediately.
Rotten Egg Smell
The distinctive mercaptan odor that utilities add to natural gas
Hissing Sound
Continuous hissing near pipes, appliances, or meter
Dead Vegetation
Brown dead patches over underground gas lines or fixtures
Gas Bill Spike
Sudden unexplained increase in your natural gas costs
Pilot Lights Going Out
Pilot light repeatedly going out on water heater or furnace
Soot or Black Marks
Black streaks near appliances indicating incomplete combustion
If You Suspect a Gas Leak
Time is critical. Follow these steps exactly to keep yourself and others safe.
Do not flip light switches
Electrical switches can create sparks that ignite gas. Leave switches where they are.
Do not use your phone inside
Cell phones can create sparks. Move outside first before calling.
Do not try to fix the leak
Do not turn valves or try to repair anything. Get out first.
Get everyone out including pets
Evacuate all people and animals immediately. Do not go back in.
Call SoCalGas or 911 from a safe distance
Once you are outside and away from the building, call SoCalGas at 1-800-427-2200. Call 911 if anyone could be in danger or you cannot reach SoCalGas.
Do not go back inside until cleared
Wait for fire department or gas company to inspect and clear the home.
Services & Pricing
Professional gas line work with proper permits and inspections.
Gas Line Repair
$200-$600
Repair a leaking connection, valve, or fitting
New Gas Line Run
$300-$900
Run a new line for a stove, dryer, fireplace, or outdoor barbecue
Gas Line Replacement
$500-$2,000
Replace a corroded or damaged section of gas line
Leak Detection and Pressure Test
$150-$350
Pressure test the line and locate a leak
Common Gas Line Projects
Converting electric appliances to gas for cost savings
Installing gas lines for outdoor BBQ grills and fire pits
Adding patio heaters and pool or spa heaters
Water heater and furnace gas line connections
Emergency repairs after gas line damage
Before Anyone Works on a Gas Line
Use a Licensed Contractor
Gas piping work should be done by a licensed plumbing contractor. Check the license at cslb.ca.gov.
Ask About Permits
New gas lines and most gas line replacements usually need a permit and inspection from your city or county.
Leaks Go to SoCalGas First
Report a suspected leak to SoCalGas first. A plumber repairs the line after the gas company has made it safe.
What Does Gas Line Service Cost?
Typical price ranges for gas line service in Los Angeles County and Orange County. Actual cost depends on scope, access, and the condition of your existing plumbing.
| Type of work | Typical range |
|---|---|
| Gas Leak DetectionPressure test and locate a gas leak in the supply line | $150 to $350 |
| Gas Line RepairRepair a leaking gas line connection, valve, or fitting | $200 to $600 |
| Gas Line Extension / New RunRun a new gas line for a stove, dryer, fireplace, or outdoor BBQ | $300 to $900 |
| Gas Line ReplacementReplace corroded or damaged gas supply line section | $500 to $2,000 |
After hours. Gas leaks are always emergency-rate. If you smell gas, leave first, then call SoCalGas at 1-800-427-2200 or 911
Permits. All gas line work requires a permit and inspection in LA and OC cities
Gas line work must be performed by a licensed plumber. If you smell gas, leave the area immediately and call SoCalGas before calling a plumber.
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