Gas Line Installation in St. Louis, MO
Safe, permitted gas line installation in St. Louis, MO using black iron, CSST and buried polyethylene, with every joint leak tested.
- Safety First
- Safety Focused
- Upfront Pricing
- Licensed & Insured
Get a Gas Line Sized Right and Installed to Code in St. Louis, MO.
Our licensed plumbers handle the BTU calculations, the install and the inspection start to finish.
Your Go-To for Gas Line Installation in St. Louis, MO
At FGV Plumbing, we understand the critical importance of proper gas line installation. Our expert team provides complete service, from initial assessment and pipe sizing to trenching and connection, for a reliable and secure gas supply to your St. Louis property.
Our expertise includes:
- BTU load calculations and meter capacity checks for added appliances
- Propane to natural gas conversions
- Full home gas system installations

Additional Plumbing Installation Services in St. Louis, MO
We install water heaters, pumps, lines, and fixtures across St. Louis, MO with careful, permitted work that passes inspection the first time.

Customers
Why Choose FGV Plumbing for Gas Line Installation in St. Louis, MO?
We understand the complexities of gas systems and are dedicated to providing a secure, effective gas supply for your property.
- Experienced Plumbers, Our licensed plumbers have broad experience with gas line projects, delivering reliable and secure installations.
- Missouri Code Compliant, All our gas line installations adhere to Missouri plumbing codes and safety standards, providing peace of mind.
- Safety First, Safety comes first in every step, from material selection to pressure testing, to prevent leaks and hazards.
Citywide Coverage
We are dedicated to providing reliable gas line services across the entire St. Louis area. Our local knowledge helps us handle city requirements and finish projects on time.
Experienced Team
Each technician undergoes continuous training on the latest gas piping technologies and safety standards. This expertise means your gas line installation is done right the first time.
Safety-First Approach
A working sump pump and a backwater valve are smart protection for any home with a finished basement. CSST must be electrically bonded to reduce lightning damage risk. We bond every CSST system according to the manufacturer and local code.
Trusted Certified St. Louis Plumbing Services Professionals
At FGV Plumbing, we take pride in providing certified plumbing services throughout St. Louis, MO. Backed by leading industry credentials, our experienced plumbers combine technical skill with genuine customer care. Whether it is repair, installation, or maintenance, we follow strict safety and quality standards to deliver long-lasting results you can trust.
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PHCC Plumbing Contractor Recognition
Better Business Bureau (BBB) Accreditation
Angi Certified Pro
ISO 9001 Quality Management CertificationReliable Gas Line Installation Services in St. Louis, MO
Commercial Gas Line Services in St. Louis, MO
FGV Plumbing offers full-service gas line installation for commercial properties throughout St. Louis, MO. Whether for new restaurant kitchens, industrial equipment or office heating systems, we handle complex commercial gas piping projects. We work closely with businesses to limit disruption and make sure all installations comply with commercial building codes and operational requirements, providing dependable gas service.

Outdoor Kitchen and BBQ Gas Lines in St. Louis
Built-in grills, side burners and pizza ovens are a popular part of backyard living. We trench from the house to the island and install yellow polyethylene gas pipe with tracer wire, transitioning to steel above grade with an approved riser. Each appliance gets an accessible shutoff valve. We bury the line to code depth and protect it where it crosses landscaping or sprinkler lines.
New Gas Appliance Hookups in St. Louis
Adding a new gas range, dryer or water heater needs a dedicated gas line. Our plumbers can install new black iron pipe or corrugated stainless steel tubing, known as CSST, from your main gas supply to your new appliance. We make sure of proper pipe sizing for adequate gas flow and perform all necessary connections and pressure tests for a safe, working setup in your St. Louis home.
Propane to Natural Gas Conversion in St. Louis, MO
Considering a switch from propane to natural gas? FGV Plumbing handles the complete conversion process for your St. Louis home. This involves installing new natural gas lines, setting proper pressure regulation and often converting or replacing existing appliances so they are rated for natural gas. We manage all required inspections and utility coordination for a smooth transition.
Emergency Gas Line Services in St. Louis, MO
While installation is planned, sometimes immediate attention is needed. If you suspect a gas leak during or after an installation, or notice any issues, FGV Plumbing provides emergency response for gas line assessments and repairs in St. Louis, MO. We prioritize safety and rapid response to address potential hazards and secure your gas system.
Gas Water Heater and Tankless Line Upgrades in St. Louis, MO
Tankless water heaters often need up to 199,000 BTU, far more than the 40,000 BTU a typical tank heater uses. Many existing 1/2 inch lines cannot supply that demand, which causes error codes and lukewarm water. We calculate the full house load and upsize the line to 3/4 inch or larger as needed. This upgrade is one of the most critical steps in a successful tankless conversion.
Fire Pit and Fireplace Gas Line Installation in St. Louis, MO
Gas fire pits and fireplaces add comfort on cool evenings without the smoke and ash of wood. We run a properly sized line, install a key valve or shutoff and connect the burner assembly. Fire features need adequate clearance from structures and plants, and we confirm placement before installation. Propane systems are set up with the correct regulator and burner orifice.

CSST Gas Line Installation in St. Louis, MO
Corrugated stainless steel tubing offers flexibility and can be installed with fewer fittings, often reducing installation time. Our team is certified in CSST installation, including the bonding and grounding code requires. CSST is a popular choice for new gas lines or extensions because it routes easily and tolerates building movement, making it a viable option for many St. Louis, MO homes.
Gas Line Installation Near Me in St. Louis, MO
Our service area covers all neighborhoods in and around St. Louis, making us a natural choice for gas line installation. We pride ourselves on being a trusted local provider, delivering professional, reliable service right to your doorstep wherever you are in St. Louis.
We are your go-to local experts for all gas line installation needs across St. Louis, MO. Our proximity lets us deliver personalized service and install your gas lines safely and efficiently, meeting all local regulations.
FGV Plumbing at a Glance
- Fully licensed plumbing team covering St. Louis, MO
- Same-day appointments and 24/7 emergency response
- Clear written estimates, no hidden fees
- 4.9-star rated by 307+ Missouri customers
St. Louis Map
St. Louis Information
- Population
- 281,754
- Area codes
- Local
- Service area
- St. Louis and communities within 40 miles
- Nearby
- University City, Florissant, Oakville, Ballwin
Rapid swings from mild to freezing weather stress pipes and fittings, especially in older homes. Properly installed gas lines help keep appliances in St. Louis, MO homes running safely through extreme heat, cold snaps and everything in between.
Expert Services
Trust our professionals for reliable FGV Plumbing solutions in St. Louis, MO.
Our Specialized Plumbing Services in St. Louis, MO
At FGV Plumbing, we provide a complete range of plumbing services across St. Louis, MO. From leak detection to full system installations, our team ensures fast, precise, and affordable service for both residential and commercial properties. Explore our core services below:
How Our Gas Line Installation Process Works in St. Louis, MO
We follow a systematic approach so every gas line installation is completed to high standards.
Request a Quote
Call (816) 330-2338 and tell us which appliances you are adding and where they will go. We schedule a visit to measure the run and check your meter size.
Permit and Install
We pull the permit, then install the piping, shutoffs and sediment traps to code. Underground lines get tracer wire and proper burial depth.
Test and Connect
We pressure test the system, pass inspection and connect your appliance. Then we light it, check the flame and confirm there are no leaks.
Frequently Asked Questions About Gas Line Installation in St. Louis
A simple indoor gas line for a range or dryer typically costs $350 to $1,000. Outdoor runs to a grill, fire pit or pool heater often range from $1,000 to $3,500 depending on distance, trenching and line size.
Safety is our top priority. We follow strict protocols including specialized tools, multiple leak tests with electronic detectors and proper ventilation. Our plumbers are trained in all safety procedures and follow all local and state codes to prevent hazards during and after the job.
We use trusted, industry-standard brands for gas line materials and fittings for durability and safety. This includes manufacturers like Gastite and OmegaFlex for CSST, and high-quality black iron pipe and fittings from reputable suppliers. All materials are selected to meet or exceed local plumbing codes.
The most common sign of a gas leak is the smell of rotten eggs, which comes from an additive called mercaptan. Other signs include a hissing sound near a gas line, dead vegetation over an underground gas line or an unusual increase in your gas bill. If you suspect a leak, evacuate immediately and call 911 and your gas company.
Yes, gas line installation almost always requires a permit and inspection. We handle the permit and inspection scheduling on your behalf.
A rotten egg or sulfur smell, a hissing sound near a line or appliance, and dead vegetation over a buried line are red flags. If you smell gas, leave the home and call your gas utility right away.
The most critical sign of a gas line issue is the smell of rotten eggs, which indicates a gas leak. Other signs include a hissing sound near a gas line, visible damage to a pipe or dead vegetation over an underground gas line. If you suspect a gas leak, leave the building immediately and call your gas provider and then us.
FGV Plumbing stands behind our work with a comprehensive warranty on our gas line installations. This usually covers workmanship for a set period and may include manufacturer warranties on materials. Specific warranty details will be provided with your project estimate.
What People Are Saying About Our Plumbing Experts?

Emily R.
I called FGV Plumbing for plumbing repair, and the technician was fast, polite, and thorough. They explained the problem clearly and fixed it the same day. I will definitely hire them again. Highly recommended!
Plumbing Repair · Florissant, MO
Patricia H.
We had a slab leak that two other companies could not find. FGV Plumbing located it in under an hour, explained our options, and the price matched the quote to the dollar.
Slab Leak Repair · Florissant, MO
James P.
Our commercial plumbing system had a leak under the sink, and FGV Plumbing handled it professionally. The plumbers arrived quickly and restored everything without disruption to our customers.
Commercial Plumbing · University City, MO
Robert G.
The trenchless sewer replacement saved our front yard. They walked us through the camera inspection footage first so we knew exactly what we were paying for.
Sewer Line Replacement · St. Charles, MO
Mark T.
When our office needed drain cleaning, FGV Plumbing provided quick, reliable service. The plumber arrived on time and made sure every drain flowed perfectly before leaving. Very satisfied.
Drain Cleaning · Ballwin, MO
Laura S.
I scheduled a water heater replacement, and the team made the process smooth and affordable. The new unit works perfectly, and they cleaned up after completing the job.
Water Heater Replacement · Ballwin, MO













