Gas Line Installation Cost Calculator

Gas line cost scales directly with length. A 10-foot drop from an existing supply line to a new dryer runs $150-$350. A 50-foot run from the meter to an outdoor kitchen costs $800-$1,800. Routing through finished walls, floors, or ceilings adds drilling, patching, and access costs. Underground outdoor runs add trench costs of $5-$15 per linear foot on top of pipe costs.

Black iron pipe is the traditional choice at $1-$3 per linear foot in materials but requires threaded fittings and more labor to install. CSST (Corrugated Stainless Steel Tubing) at $2-$5 per linear foot installs much faster in flexible runs - most plumbers prefer it for residential work. Copper is used in some jurisdictions but restricted or prohibited in others. Local code determines what is allowed.

If your gas meter and service line do not have capacity for additional appliances, a meter upgrade or service line upsizing may be required by the utility. This is utility-managed work and separate from the plumber's scope. Meter upgrades from the utility are often free or low-cost, but the homeowner-side service line upsizing can add $300-$1,500 depending on length.

A standard range or dryer connection is the simplest gas line work. A gas fireplace or insert adds complexity for the gas valve and safety controls. An outdoor gas line for a grill or fire feature requires UV-resistant pipe or underground burial specs. A whole-house generator or pool heater may require sizing the supply line for high BTU demands. Each application has specific code requirements.

All gas line work requires a pressure test (typically 10-15 PSI for residential work) held for a minimum time before inspection sign-off. Some jurisdictions require inspection before the line is covered by drywall or buried. The plumber's time for testing and inspection coordination adds $100-$300. Never occupy an area with an untested gas line.