Top Gas Line Plumbing Companies in San Antonio, Texas Ranked

Installing or repairing a gas line is a critical home project that directly impacts safety and functionality. Whether you're adding a gas stove, fireplace, or outdoor kitchen, proper gas piping work requires specialized knowledge of local codes, permits, and safety protocols. This guide explains the essential steps, regulations, and considerations for gas line projects in San Antonio, helping you understand the process and connect with qualified local professionals who can ensure the job is done correctly and safely.

JL Hearn Plumbing

219 Deer Cross Ln, Timberwood Park, TX 78260

JL Hearn Plumbing is a family-owned plumbing company serving San Antonio, TX, and nearby areas including Timberwood Park and Stone Oak. With over 30 years of experience and a Texas Master Plumber license, they provide a wide range of plumbing services such as water heater repair and installation, sewer line cleaning and repair, leak detection, water softener service, and gas line installation. Their team uses advanced equipment for leak detection and offers whole-house water filtration system installations. JL Hearn Plumbing is known for upfront pricing, fast scheduling, and pressure-free service.

5.0

456 Reviews

Olde Town Plumbing

28550 I-10 Suite 2, Boerne, TX 78006

Olde Town Plumbing is a locally owned and operated plumbing company serving San Antonio, TX, and nearby areas including Boerne and the Texas Hill Country. They offer a wide range of plumbing services such as sewer camera inspections, water heater repair and installation, water softener installation, drain cleaning, sewer line repair, leak detection, repiping, gas line installation, toilet repair, and garbage disposal repair. The company is known for handling both residential and commercial plumbing needs, including slab leak repairs and whole-house repipes using PEX tubing. Olde Town Plumbing has been recognized by city inspectors and has maintained a strong reputation over the past four years. They also provide 24/7 emergency plumbing services, including after-hours and weekend availability.

5.0

419 Reviews

o5 Plumbing, LLC

10801 Nacogdoches Rd, San Antonio, TX 78217

o5 Plumbing, LLC is a locally and veteran-owned plumbing company based in San Antonio, TX. They provide a range of plumbing services including water heater repair and installation, water softener installation, leak detection, gas line installation, and garbage disposal repair. The company uses professional-grade parts sourced from plumbing supply companies, ensuring longer-lasting and higher-quality materials. Their technicians prioritize respecting customers' homes by using protective equipment and maintaining cleanliness during and after jobs.

5.0

358 Reviews

Olde Town Plumbing

128 W Bandera Rd, Boerne, TX 78006

Olde Town Plumbing is a licensed plumbing company serving San Antonio, TX, and the surrounding Kendall County area. They offer a wide range of plumbing services including sewer camera inspections, water heater repair and installation, water softener installation, sewer line repair, leak detection, repiping, gas line installation, and garbage disposal repair. The company uses specialized video equipment for leak detection and sewer line issues, ensuring precise diagnostics and repairs. With over 25 years of experience, Olde Town Plumbing provides 24-hour emergency plumbing services to address urgent plumbing problems any time of day or night.

5.0

338 Reviews

Murray Service Company

24 Trails End Rd, Boerne, TX 78006

Murray Service Company provides plumbing services in San Antonio, TX, specializing in the installation and repair of baths, showers, toilets, sinks, faucets, and garbage disposals. They also handle residential piping, including water mains and gas lines, addressing the challenges posed by the local water conditions in the Texas Hill Country. Their expertise covers a wide range of plumbing needs, from fixture repairs to full repiping projects.

5.0

206 Reviews

See more providers in San Antonio, TX

Understanding San Antonio's Gas Line Regulations

In Texas, all gas line work must be performed by a licensed plumber due to the inherent hazards of natural gas ^{1 2}. San Antonio has specific rules enforced by the City's Development Services Department (DSD) and CPS Energy, the local utility. A gas permit from the DSD is mandatory for new installations or significant repairs ^{1 3 4}. The process involves your licensed professional applying for the permit, completing the installation to code, and then having the work inspected by the city-including a final pressure test-before CPS Energy will connect or restore service ^{1 3 5}. It's important to note that while homeowners can pull permits for work they personally perform on their homestead, the complexity and risk of gas piping make professional installation strongly advised ^{5 6}.

The Step-by-Step Installation Process

A successful gas line project involves careful planning and coordination with multiple entities.

1. Planning and Coordination Before any digging begins, you must contact CPS Energy to coordinate the service line and meter placement ^{4 7}. Your contractor will also need to apply for the required city permit ^{1 3}. A critical first step is having all existing underground utilities located (call 811) to avoid dangerous and costly strikes during trenching.

2. Trenching and Site Preparation For outdoor lines, a trench must be dug for the pipe. Depth requirements are typically a minimum of 12 to 18 inches, but always follow the specific guidelines provided by your plumber and local code ^{1 7 8}. A major consideration is crossing under driveways or sidewalks. In these cases, the gas pipe must be run through a protective Schedule 40 or 80 PVC sleeve that is installed at a minimum depth of 24 inches ^{1 9 10}. Proper barricades around the work area are also required for safety.

3. Pipe Installation and Material Standards Licensed plumbers will install the gas piping using approved materials. In San Antonio, common approved materials include traditional black iron pipe and flexible Corrugated Stainless Steel Tubing (CSST) ^{1 2}. CSST can be easier to install in certain situations but has specific bonding requirements per the National Electrical Code (NEC) to prevent electrical hazards ^{2 11}. The placement of the service line from the meter to the home must also adhere to CPS Energy's standards, such as maintaining a specific distance from property lines in new developments ^{2 12}.

4. Testing and Inspection Once installed, the system must pass a rigorous leak test. A common standard is a 10 psi pressure test held for at least 15 minutes to ensure there are no leaks in the entire system ^{1 3 9}. This test is typically witnessed by the city inspector. Only after the system passes inspection and the permit is finalized will CPS Energy perform the final connection or turn on the gas ^{1 4}.

Key Safety and Compliance Requirements

Adhering to safety codes isn't just about legality-it's about protecting your home and family.

• Licensing is Non-Negotiable: Never hire an unlicensed individual for gas fitting work. Texas law requires a licensed plumber for all gas line installation and repair ^{1 2}.
• Permit Finalization: The city's final inspection and approval are crucial. This paperwork is often needed for home insurance and future sales.
• Bonding and Grounding: Especially with CSST piping, proper bonding of the gas system to your home's electrical ground is essential to prevent damage from lightning or electrical faults ^{2 11}.
• Appliance Connections: Even after the main line is installed, the final connection of appliances like water heaters or stoves should be done by a professional to ensure proper seals and venting.

Cost Considerations for Gas Line Projects

The cost of running a new gas line in San Antonio can vary widely based on the project's scope. A common estimate is $15 to $30 or more per linear foot of pipe installed ^{1 13}. Several factors influence the final price:

• Material Choice: Black iron pipe and CSST have different material and labor costs.
• Trenching: This is often the most significant cost driver, especially if it involves rocky soil, long distances, or crossing under hardscapes like driveways (which requires sleeving) ^{1 13}.
• Complexity: Running pipe through finished walls, ceilings, or crawl spaces adds labor time.
• Permits: The city permit fee is an additional, required cost ¹.
• Project Scale: A simple line for a grill may cost a few hundred dollars, while a whole-house repipe or a line for a new pool heater can easily exceed $1,000 when including materials, labor, trenching, and permits ¹³.

When Gas Line Repair is Needed

Repairs are just as regulated as new installations. Signs you may need gas line repair include:

• The smell of rotten eggs (odorant added to gas) inside or outside the home.
• Hissing sounds near a gas pipe.
• Dead vegetation in an otherwise healthy line over a buried pipe.
• Higher-than-normal gas bills, which could indicate a leak. If you suspect a leak, leave the area immediately and call CPS Energy or 911 from a safe distance. All repairs require a licensed professional and likely a permit to ensure the fix is permanent and safe ^{9 6}.

Choosing a Professional for Your Gas Piping Work

Selecting the right contractor is your most important decision. Look for a plumber who is:

• Licensed and Insured: Verify their Texas plumbing license and ask for proof of insurance.
• Local Experience: Familiarity with San Antonio's DSD permit process and CPS Energy standards is invaluable.
• Transparent on Costs: They should provide a detailed estimate that breaks down labor, materials, permit fees, and trenching costs.
• Focused on Safety: They should willingly discuss their testing procedures and compliance with bonding and code requirements.

Frequently asked questions

Sources