Gas Line Repair & Installation in Colorado
Gas work is not a DIY job. Leak testing, repair and new runs done to code, with permits. Licensed gas line leak repair, replacement and new appliance runs. Colorado Plumbing Pros dispatches licensed contractors for this work in 189 Colorado cities, 6 of which are emergency services.
What this covers
Natural gas and propane lines are the one part of a plumbing system where an amateur repair is genuinely dangerous. Any work requires a licensed contractor, pressure testing, and in most Colorado jurisdictions a permit and inspection. Work ranges from replacing a corroded section and fixing a leaking appliance connector to running a new line for a range, dryer, outdoor kitchen or pool heater.
Signs you need gas line repair & installation
- Smell of gas near an appliance or outside
- Hissing sound at a connector or valve
- Gas bill rising without a change in usage
- Soot or scorching at a burner or appliance connection
- Pilot lights that will not stay lit
- Adding or relocating a gas appliance
How the work is done
Isolate and safety check
Gas shut off, area ventilated, and the system pressure-tested to locate the leak.
Locate the leak precisely
Soap solution and manometer testing pinpoint the failing joint or section.
Permit the work
Permits and inspection arranged where your jurisdiction requires them.
Repair or run new pipe
Corroded sections replaced, or new CSST or black iron run to code.
Test and certify
Full pressure test, appliance leak check and documented results.
Typical Colorado cost
| Scope | Typical range |
|---|---|
| Gas leak detection and test | $200 – $500 |
| Gas line repair (accessible section) | $350 – $900 |
| New appliance gas line run | $450 – $1,500 |
| Whole-house gas line replacement | $2,000 – $6,000 |
What drives the price
- Run length and routing — through attic, crawlspace or buried
- Whether the pipe is in a wall or behind hardscape
- Permit and inspection requirements in your city
- Pipe material: black iron, corrugated stainless (CSST) or copper
Local conditions that affect this work
Denver Metro
Metro housing stock is old enough that original galvanised supply lines, cast-iron stacks and clay laterals are all still in service, and pop-top and scrape-off remodels frequently layered new plumbing onto those aging mains.
Front Range
Denver's older neighbourhoods still run galvanised supply and clay sewer laterals under mature street trees, while the newer suburbs are slab-on-grade or shallow crawlspace with PEX. The two profiles fail in completely different ways.
Pikes Peak
The region's rapid post-war and modern build-out means a lot of homes are hitting the 30-to-50-year window where water heaters, polybutylene remnants and original supply lines all come due at once.
Western Slope
The valley mixes older farm properties on wells and septic with in-town housing old enough for original supply lines, so diagnosis here starts with whether the property is on municipal service or its own system.
Gas Line Repair & Installation questions
I smell gas — what do I do right now?
Who can legally work on gas lines in Colorado?
How long does a gas line repair take?
Can I add a gas line for an outdoor kitchen or pool heater?
How do I know a gas line is leaking if I cannot smell it?
Gas Line Repair & Installation by city
Popular service areas for this work. Every city page has its own gas line repair & installation detail.
Gas Line Repair & Installation in Denver
Denver County
Gas Line Repair & Installation in Aurora
Arapahoe County
Gas Line Repair & Installation in Littleton
Arapahoe County
Gas Line Repair & Installation in Golden
Jefferson County
Gas Line Repair & Installation in Westminster
Adams County
Gas Line Repair & Installation in Watkins
Arapahoe County
Gas Line Repair & Installation in Fort Collins
Larimer County
Gas Line Repair & Installation in Greeley
Weld County
Gas Line Repair & Installation in Brighton
Adams County
Gas Line Repair & Installation in Loveland
Larimer County
Gas Line Repair & Installation in Windsor
Weld County
Gas Line Repair & Installation in Berthoud
Larimer County
Gas Line Repair & Installation in Dacono
Weld County
Gas Line Repair & Installation in Evans
Weld County
Gas Line Repair & Installation in Firestone
Weld County
Gas Line Repair & Installation in Fort Lupton
Weld County
Gas Line Repair & Installation in Frederick
Weld County
Gas Line Repair & Installation in Gilcrest
Weld County
Gas Line Repair & Installation in Johnstown
Weld County
Gas Line Repair & Installation in La Salle
Weld County
Gas Line Repair & Installation in Mead
Weld County
Gas Line Repair & Installation in Milliken
Weld County
Gas Line Repair & Installation in Platteville
Weld County
Gas Line Repair & Installation in Timnath
Larimer County
Gas Line Repair & Installation in Castle Rock
Douglas County
Gas Line Repair & Installation in Broomfield
Broomfield County
Gas Line Repair & Installation in Longmont
Boulder County
Gas Line Repair & Installation in Byers
Adams County
Gas Line Repair & Installation in Conifer
Jefferson County
Gas Line Repair & Installation in Arvada
Jefferson County