Gas Line Inspection: What to Expect and When to Schedule One

A professional gas line inspection checks every accessible section of your home's gas piping system for leaks, corrosion, proper connections, and code compliance. It is the best way to catch developing problems before they become safety hazards — and it is recommended whenever you buy an older home, add a gas appliance, or notice unusual symptoms around your gas lines.

Schedule a when:

### Visual inspection

The plumber examines every accessible section of gas piping — in the attic, crawl space, basement, garage, and at each appliance connection. They look for rust, corrosion, loose fittings, improper supports, and signs of previous amateur work.

### Leak testing

Using an electronic gas detector or a liquid leak detection solution, the plumber checks every joint, valve, and fitting for leaks. The detector can find leaks too small to smell.

### Pressure test

For a more thorough check — especially in older homes or when a leak is suspected but not found — the plumber may perform a pressure test. The gas is shut off, the system is pressurized with air, and the pressure is monitored over time. A pressure drop indicates a leak somewhere in the system.

### Appliance connection check

Each gas appliance connection is inspected — stove, water heater, dryer, furnace, and any outdoor features like fire pits or pool heaters. The plumber checks that flexible connectors are in good condition, shut-off valves work properly, and the appliance is venting correctly.

### Code compliance check

Gas line work must meet local building codes. An inspection can identify code violations from previous work — improper materials, missing shut-off valves, inadequate support, or venting problems — that should be corrected.

Even without a formal inspection, watch for these warning signs:

If you notice any of these, call for . If you smell gas, leave the home immediately and call the gas utility or emergency services first.