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Gas Lines

Gas Line Repair & Installation in Paramount, CA

Leak Repair · Red-Tag Restoration · New Appliance Lines · Earthquake Shutoff Valves | CSLB #1051553 | Se Habla Español

Gas work is where corners must never be cut, and where a licensed plumber earns the title. Ser Plumbing repairs gas leaks, restores service after utility red-tags, runs new lines for appliances from dryers to fire pits, and repipes aging gas systems, every job pressure-tested, permitted where required, and built to pass inspection.

First things first: if you smell gas right now, leave the home, call SoCalGas from outside at (800) 427-2200, and then call us. The utility makes it safe; the licensed repair that gets your service restored is where we come in.

CSLB License #1051553 Licensed, Bonded & Insured 5.0 Google Rated Pressure-Tested & Permitted Se Habla Español
Ser Plumbing reviewing a job with a homeowner in Paramount, CA Excellent on Google 5.0 Verified customer reviews Pressure-tested Pressure-tested and permitted, every job
$650+ Earthquake
shutoff valve
$300+ Gas leak repair
$500+ New appliance gas line
$650–$2,100 Earthquake shutoff valve
15 mi No travel fee from Paramount
The problem

The Problem: Why People Call

Six situations bring homeowners to a gas call, and each one changes how fast we move and what we test first.

You smell gas, or someone did

The rotten-egg odor is the additive doing its job. Follow the safety steps above first; the repair conversation happens once everyone is safe. Emergency plumbing →

SoCalGas red-tagged your line or appliance

A red tag means the utility found a hazard and shut off service until a licensed contractor repairs it and the fix is verified. Nothing turns back on until that happens, which makes this the most urgent non-emergency in plumbing.

The gas bill crept up for no reason

A slow leak wastes gas invisibly. An unexplained rise, especially with any faint odor near appliances or the meter, deserves a pressure test.

Dead grass over the buried line

A yellowing patch along the gas line’s path while the surrounding lawn thrives is the underground leak’s signature.

You are adding an appliance

New dryer, range, pool heater, barbecue island, fire pit, or a tankless conversion that needs more capacity: each needs a properly sized, properly permitted line, built for the appliance load it will carry.

The house still runs on original piping

Pre-1970s black iron that has spent decades in soil or damp crawl spaces is corroding somewhere, whether it has announced itself yet or not.

Local conditions

Gas Lines in Paramount & SE LA County

Ser Plumbing at work on a Southeast LA County service call
Corrosion is the enemy here

Corrosion is the enemy here, and our conditions feed it. The most common gas line failures we find across Paramount, Downey, and the surrounding cities are corrosion-related: older steel and black iron piping attacked by long-term moisture where it passes through concrete, emerges from soil, or lives in damp crawl spaces, and underground runs deteriorating in the same clay soils that work on sewer laterals. A line that looks fine at the meter can be flaking apart where nobody has looked since the Johnson administration.

Earthquake country adds its own chapter

Earthquake country adds its own chapter. Seismic activity is exactly when aging gas connections fail, which is why automatic earthquake shutoff valves have become standard practice here, why some cities in our area require them at sale or major remodel, and why a seismic retrofit is the natural moment to evaluate the whole gas system. We install shutoff valves as standalone projects or fold them into larger gas work.

This is SoCalGas territory, and red tags shape everything

And because this is SoCalGas territory, the red-tag reality shapes everything: when the utility finds a problem, service stays off until a licensed plumber makes it right. Knowing the local permit offices and what each city’s inspectors expect is the difference between two days without gas and two weeks.

What's covered

What’s Covered

01

Gas leak detection and repair

Locating by pressure testing and inspection, then repair: sections replaced, fittings corrected, valves renewed, from the meter and service riser to appliance connections, crawl spaces, and attic runs. Typical repairs range from $300 into the thousands for excavation-heavy underground work, and every job ends with a pressure test.

02

Red-tag restoration

The full path back from a utility shutoff: diagnosing what earned the tag, licensed repair, pressure verification, the city permit where required, and coordinating with SoCalGas to restore service. We treat red-tag calls with emergency-level priority because your stove and hot water are hostage until it is done.

03

New gas line installation

Properly sized lines for dryers, ranges, pool heaters, patio heaters, barbecue islands, and fire pits, from $500 upward depending on distance, sizing, and trenching. Outdoor kitchens get code-compliant stub-outs with shutoff valves, not improvisation.

04

Gas line repiping

When corrosion is systemic (multiple leaks, heavy rust, repairs becoming a habit), we repipe the system rather than chase it leak by leak. Seismic retrofits and remodels are the natural trigger points.

05

Earthquake shutoff valves

Automatic seismic valves installed standalone (in the $650 to $2,100 range depending on meter configuration) or as part of larger gas work. When the ground moves, the gas stops.

06

Appliance hookups

Dryer and range connections done to code with proper valves and flex connectors rated for the job, tested before we leave. ADU plumbing →

Ser Plumbing owner Jose Luis Serrano and his wife with the company service van
What’s NOT included on this page

Appliance repair itself (the dryer, range, or furnace internals): appliance techs’ territory, and we will say so

Tankless water heater installs (we size their gas supply here, the units live on their own page) → Tankless water heaters

Pricing

Pricing

Gas pricing carries wide ranges for an honest reason, and here is where the work typically lands:

Item Typical range
Gas leak repair Typically, $300 to $10,000+ depending on location, access, and excavation
New appliance gas line Typically, $500 upward by distance, sizing, and trenching
Earthquake shutoff valve Typically, $650 to $2,100 by valve size and meter configuration
Gas system repipe Quoted from inspection; leak count and pipe condition drive it
Permits City fees typically $150 to $800, passed through at cost

Gas pricing honesty requires wide ranges because access rules everything: a corroded fitting at the water heater and a failed underground run to a pool heater are different projects wearing the same name. The pressure test and inspection turn the range into your written number before any work begins.

Standard labor discounts apply, and financing is available for qualifying projects through our booking platform.

The visit

How Gas Work Proceeds

01

Safety triage on the phone: Active smell means SoCalGas first, then us. Red tags and planned work book directly.

02

We locate and diagnose: Pressure testing isolates the leak or confirms the system, and you see the findings.

03

Written scope and price before work: Repair, replacement section, or repipe, with the reasoning.

04

Permits pulled where the work requires them; typical city fees run $150 to $800, and approval takes one to ten business days, and we schedule around it.

05

The repair or installation is executed to code: Proper materials, sediment traps, correct sizing for the appliance load.

06

Everything ends with a pressure test. No exceptions, no ‘smells fine to me.’

07

City inspection where required, then utility coordination until the gas is actually flowing again.

08

You get the documentation: What failed, what was done, test results, permit sign-off.

Why Ser Plumbing

Why Ser Plumbing for Gas Work

01

Licensed, and it matters most here

CSLB #1051553, bonded and insured. Gas is the one trade where ‘a guy who does side jobs’ is a risk measured in more than money.

02

Red-tag speed

We know what each city’s inspectors expect and how SoCalGas restoration works, so the path from tagged to cooking again is as short as the paperwork allows.

03

Pressure-tested, every time

Every repair and installation close with a pressure test; ‘no smell’ is not a standard.

04

Sized for the real load

Adding a tankless or a pool heater changes what the whole system must deliver. We calculate capacity instead of discovering the shortfall at the first cold shower. Tankless water heaters →

05

Restoration included in the thinking

Trenches get closed properly and surfaces restored; one customer’s review notes we put the sod back so it looked like nothing was done. That is the standard, not a favor.

Ser Plumbing owner pulling parts from the stocked service van
Expertise

Why Gas Lines Fail at the Transitions

Ask where gas leaks happen and most people picture a pipe snapping. The reality is quieter: gas lines fail overwhelmingly at transitions, where buried pipe emerges from soil, where a run passes through a concrete footing, where the riser meets the meter, and at threaded joints near appliances that have been nudged, cleaned around, and re-leveled for forty years. Each of those points concentrates two enemies: moisture held against steel, and mechanical stress the straight runs never feel. Underground, soil chemistry and dampness eat unprotected black iron from the outside; at concrete penetrations, trapped moisture does the same in slow motion; at appliance connections, decades of tiny movements work threads loose a fraction at a time.

This is why our inspections concentrate where the odds do: the riser, the penetrations, the crawl space runs, the appliance connections, and any repair some previous owner made with whatever fitting the truck carried that day. It is also why a passing pressure test matters more than a visual once-over; pressure finds the leak the eye cannot, including the slow ones that only show up as a gas bill creeping north. When we repair a section, the adjacent transitions get evaluated in the same visit, because the conditions that failed one joint have been working on its neighbors just as long.

Reviews

What Customers Around Paramount Say About Our Gas Work

The reviews below load directly from our Google Business Profile. Nothing curated, nothing trimmed.

★★★★★

“The gas company shut off our gas because there was a leak in the line from the meter to the house. They came out in one day and fixed it at the most reasonable price I’ve ever seen from a plumber. They even put the sod back so it looked like nothing was done.”

Javier C. · February 2025 Read this review on Google →
★★★★★

“I had a gas leak and was fixed fast. The First 2 pictures were what I had. The next pictures were the upgrade. I highly recommend them.”

Ivonne Z. · January 2024 Read this review on Google →
★★★★★

“Luis was the opposite, he listened, and went the extra mile to help. The work was completed as promised. Our house’s gas lines were re-piped, I no longer have the fear of gas leaks.”

Raquel A. · September 2023 Read this review on Google →

More reviews, live from Google. The widget below loads our latest verified Google reviews in real time. Nothing curated, nothing trimmed.

Leave Us a Google Review ↗
FAQ

Gas Line FAQs

Thirteen straight answers to the questions we hear on the phone every week.

Ask us directly ↗
Ser Plumbing plumber working under a sink cabinet on a Southeast LA County call Pressure-tested “No smell” is not a standard. Every job ends on a gauge.
How do I know if I have a gas leak?
The rotten-egg odor is the headline sign, but not the only one: a hissing sound near lines or appliances, a patch of dead grass over the buried run, or a gas bill that climbed without a reason. Any of them earns a pressure test; the odor earns the full safety protocol first.
Do I call SoCalGas or a plumber first?

For an active smell: SoCalGas first, from outside the home, at (800) 427-2200. They shut off and make it safe, free, any hour. Then a licensed plumber handles the actual repair and restoration; the utility does not fix your side of the meter.

What does a red tag mean, and how fast can you fix it?

It means the utility found a hazard and locked off service until a licensed contractor repairs it and the repair is verified. We prioritize red-tag calls at emergency level; how fast depends on the failure and whether your city requires an inspection, and we tell you the realistic timeline on day one.

Do I need a permit for gas line work?

Most installations, repipes, and significant repairs, yes. City fees typically run $150 to $800 with approval in one to ten business days, and we handle the process. Small like-for-like connection repairs sometimes do not; we tell you which side of the line your job falls on.

Can you run a gas line for a barbecue island or fire pit?

Yes, it is some of our favorite work: properly sized, trenched, valved, and pressure-tested outdoor lines for barbecues, fire pits, patio heaters, and pool heaters. A stub-out done right proves its worth on the worst possible night.

Should I get an earthquake shutoff valve?

In our judgment, yes; and some cities in our area require one at sale or major remodel. The valve closes automatically when the ground moves hard enough, which is precisely the moment aging fittings fail. Standalone installs typically run $650 to $2,100.

Service area

Gas Line Service Across Paramount, Downey, Bellflower, Lakewood, Long Beach & SE LA County

Gas leak repair, red-tag restoration, new lines, and earthquake valves from our Paramount shop across Bellflower, Downey, Lynwood, South Gate, Compton, Bell Gardens, Bell, Walnut Park, Santa Fe Springs, Lakewood, Norwalk, Long Beach, Maywood, Artesia, Cerritos, East Rancho Dominguez, and the surrounding communities. No travel fee within 15 miles of Paramount.

Paramount Bellflower Downey Lynwood South Gate Compton Bell Gardens Bell Walnut Park Santa Fe Springs Lakewood Norwalk Long Beach Maywood Artesia Cerritos East Rancho Dominguez
Full coverage details →
Get in touch

Gas work is not a maybe-later trade. Pressure-tested, permitted, done right.

Call (310) 953-3566.

Company Ser Plumbing Inc
Address 7530 Alondra Blvd Suite F, Paramount, CA 90723
Phone (310) 953-3566
Web serplumbinginc.com
License CSLB #1051553 · Licensed, Bonded & Insured · Se habla español
Call (310) 953-3566 ↗
Request Gas Line Service Red tags get emergency-level priority.