Gas Line Services in Dallas, TX

Gas line work is not general plumbing,  it requires specific licensing, permitting through the City of Dallas, and coordination with Atmos Energy for final inspection and meter activation. A gas leak is a safety emergency. A poorly installed gas line is a liability that can sit undetected for years.

Harlen Johnson HVAC, Plumbing & Electrical holds Responsible Master Plumber license from the Texas State Board of Plumbing Examiners and is authorized to perform gas line installation, repair, and replacement across the Dallas metro. We handle the City of Dallas permit, the work, and the Atmos Energy green tag inspection — so you deal with one company, not three.

Need gas line service in Dallas? Call 972-241-7771 for a licensed estimate.

Gas Line Installation, Repair & Replacement

New Gas Line Installation

New gas line runs for appliances: stoves, dryers, water heaters, pool heaters, outdoor grills, fireplaces, and generators. We size the line based on BTU demand, run black iron pipe or CSST (corrugated stainless steel tubing) per code, pressure-test the system, and schedule the Atmos Energy meter set and green tag inspection.

Gas Line Repair

Leaking fittings, corroded sections, and damaged lines from construction or landscaping. We locate the leak using electronic gas detection equipment and soap solution testing, isolate the section, and repair or replace the affected pipe. All repairs are pressure-tested before gas is restored.

Gas Line Replacement

Older Dallas homes may have original black iron gas lines with decades of corrosion at threaded joints. When a system has multiple leak points or fails a pressure test, full replacement with modern materials is safer and more cost-effective than repeated patches. We replace, pressure-test, and coordinate with Atmos for re-certification.

Call 972-241-7771 for gas line installation, repair, or replacement in Dallas.

Gas Line Safety: What to Do If You Smell Gas

Natural gas is odorless — the rotten-egg smell (mercaptan) is added by Atmos Energy so leaks can be detected. If you smell gas:

  1. Do not operate electrical switches, light matches, or use your phone inside the house
  2. Open windows if you can do so quickly, then leave the building immediately
  3. Call Atmos Energy’s 24-hour emergency line: 866-322-8667
  4. Call 911 if the odor is strong or if anyone feels dizzy or nauseous
  5. Call us at 972-241-7771 once Atmos has cleared the immediate emergency — we handle the repair and re-certification

Other signs of a gas leak: hissing sound near a gas line or appliance, dead vegetation over a buried gas line, unexplained increase in your gas bill, and visible corrosion or rust on exposed gas piping.

Suspect a gas leak? Get out, call Atmos at 866-322-8667, then call us at 972-241-7771.

How Much Do Gas Line Services Cost in Dallas?

Gas line costs depend on the scope of work, materials, and permit requirements. 

Cost factors: line length, material (black iron pipe vs. CSST), number of connections, accessibility (crawlspace vs. slab vs. attic), and whether the project requires trenching or wall penetrations.

We provide a written estimate that includes materials, labor, permit fees, and the Atmos green tag inspection, no hidden line items.

Get a gas line estimate — call 972-241-7771.

Gas Line Services by Dallas Neighborhood

Gas line age and condition vary significantly across Dallas neighborhoods:

Lakewood and East Dallas. Homes from the 1920s–1950s often have original black iron gas lines with corroded threaded fittings. These systems served fewer gas appliances than modern homes demand — adding a gas stove or dryer to an undersized line requires both a new run and a manifold upgrade.

Preston Hollow and North Dallas. Mid-century and 1970s homes typically have adequate gas infrastructure, but 50+ year-old lines develop slow leaks at joints. Tree root displacement of buried lines is common in Preston Hollow’s heavily wooded lots.

Oak Cliff and Bishop Arts District. Older housing stock similar to East Dallas — original gas lines serving homes built in the 1920s–1940s. Many homes in this area are being renovated, and gas line upgrades are frequently required to meet current code during remodel permitting.

Highland Park and University Park. Well-maintained homes with higher-demand gas systems (pool heaters, outdoor kitchens, generator connections). New gas line installations for luxury additions are our most common service call in the Park Cities.

Serving your Dallas neighborhood — call 972-241-7771.

Electric-to-Gas Conversion

Converting electric appliances to gas is one of our most requested services. Common conversions in Dallas homes:

  • Electric stove/range to gas — requires a new gas line to the kitchen, often routed through the attic or crawlspace
  • Electric dryer to gas — shorter run, usually from an existing gas manifold
  • Electric water heater to gas or tankless gas — requires gas line sizing for the higher BTU demand of tankless units
  • Pool heater installation — outdoor gas line run from the meter, sized for 200,000–400,000 BTU demand
  • Gas fireplace installation or conversion from wood-burning — includes gas line, valve, and venting

Each conversion requires a City of Dallas permit and an Atmos Energy green tag inspection before the new gas appliance can be activated.

Why Choose Harlen Johnson HVAC, Plumbing & Electrical for Gas Line Work

  • Licensed by the Texas State Board of Plumbing Examiners 
  • Over 65 years performing gas line work in Dallas
  • We pull the City of Dallas permit and coordinate the Atmos Energy green tag — one company handles everything
  • 4.8 stars from 1,160+ Google reviews

Gas Line FAQs

Most single-appliance gas lines cost $500–$1,500, depending on length, material, and access. Longer runs, like outdoor kitchens or pool heaters, cost more.The City of Dallas permit fee starts at $100. We provide a full estimate that includes materials, labor, permit, and the Atmos Energy green tag inspection.

It’s a required safety inspection by Atmos Energy after gas line installation or major repair. The inspector verifies the work meets code before gas service is turned on. We schedule this as part of every project.

A sulfur or rotten-egg smell, hissing near gas lines, dead vegetation above buried lines, higher gas bills, or visible pipe corrosion. If you smell gas, leave immediately and call Atmos Energy at 866-322-8667.

Yes. New installations, relocations, and replacements require a City of Dallas permit, typically starting at minimum of  $100.  Minor repairs (tightening a fitting, replacing a gas valve) may be exempt, but we handle permitting to ensure the work meets local code compliance..

Texas homeowners can legally do their own work, but it still requires permits, code compliance,an Atmos Energy green tag  and a final inspection before gas is turned on. Due to the safety risk, professional installation is strongly recommended.

Ready for gas line service in Dallas? Call 972-241-7771 — licensed, permitted, inspected.

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