Gas line services

Licensed gas line installation & repair for ranges, dryers, BBQs & more

Same-day appointments · ★★★★★ 5-Star Google Reviews
Licensed • Bonded • Insured • Residential & Commercial

call or text now for same day appointments

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NEED A GAS LINE RUN OR REPAIRED?

Licensed gas line installs and repairs for ranges, dryers, BBQs, fireplaces, heaters and more.

New gas lines for appliances & outdoor kitchens
Gas line repair & leak testing
Capping lines when switching to electric
Permits & inspections handled
Upfront pricing

Prefer to talk? Call or text (206) 858-2211

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First time: Great service. Came fast. They basically taught me how to use my house as a newer home-owner. And didn’t charge me the full fee since it was a simple task. Gave me tips to prevent issues. Knowledgable so will use again!"

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"There is nothing but great things to talk about this experience from beginning to end. I leave a message - Colin calls me back and we discuss the projects. He calmly addresses a plan. We get it scheduled, he shows up, does great work, answers my questions, and leaves everything looking and working great.

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"I had an emergency waterline leak situation. I called several companies. Knockout was the first to respond and came quickly. They were professional, fair, and very communicative throughout the process. I am very happy with how it all turned out. I will call them again in the future."

Expert gas line services in seattle

Knockout Plumbing & Mechanical is your trusted Seattle plumbing team for safe, reliable gas line installations, repairs, and inspections. Our certified technicians adhere to strict safety standards, ensuring your home or business stays protected in the Greater Seattle area. Whether you need a new gas line or a quick repair, we’re here to provide prompt, expert service you can count on.

From residential gas line installations for new appliances to commercial gas line rerouting, our team brings precision and peace of mind to every job. We work with homeowners, contractors, and property managers to ensure gas systems are installed or repaired according to Washington State code, with safety and efficiency at the forefront. Whether you’re upgrading to a gas stove, adding an outdoor BBQ hookup, or suspect a possible gas leak, Knockout Plumbing & Mechanical is ready to help.

Gas Leak Detection & Repair:
Identify and fix gas leaks quickly to ensure safety and prevent hazardous conditions.
Gas Line Replacement:
Replace corroded or damaged gas pipes to restore safe, efficient gas flow throughout your property.
Gas Valve Repair/Replacement:
Repair or swap out faulty gas valves to maintain proper pressure and control in your gas system.
Gas Line Inspections:
Use specialized tools to inspect gas lines for wear, corrosion, or blockages, ensuring they meet safety standards.
Gas Line Rerouting:
Reconfigure or extend gas lines during remodels or new installations to ensure a safe, code-compliant layout.
Appliance Gas Connection Services:
Safely connect or disconnect gas lines for appliances like stoves, ovens, or water heaters with proper testing and verification.
Emergency Gas Line Repairs:
Provide prompt, 24/7 service to address urgent gas line issues and prevent potential hazards.

All work done by Knockout Plumbing & Mechanical LLC is performed by certified technicians in compliance with local Seattle codes.

Ready to Get Started?

Whether you're upgrading your kitchen appliances, installing a backyard fire pit, or need urgent gas line repairs, Knockout Plumbing & Mechanical is here to help. Our licensed Seattle plumbers deliver safe, reliable gas line services with code-compliant workmanship and transparent pricing. 📞 Call us today at (206) 858-2211 or send us a message to schedule your service or request a quote. We’re proud to serve homeowners and businesses throughout the greater Seattle area!

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FAQ – Gas Line Services

Q: Do I need a permit for gas line work in Seattle?
Yes. Any gas line installation, repair, or modification typically requires a permit. We handle the permitting process for you and ensure all work complies with local codes and inspection requirements.

Q: How do I know if I have a gas leak?
Common signs include a rotten egg smell (sulfur), hissing sounds near gas lines, dead vegetation over buried lines, or a sudden spike in your gas bill. If you suspect a leak, leave the area immediately and call your gas provider. Then contact us for repairs.

Q: Can you install gas lines for outdoor appliances like fire pits or BBQs?
Absolutely! We install gas lines for a wide range of outdoor appliances, including BBQs, fire pits, pool heaters, and patio heaters. We’ll help you plan the safest, most efficient setup.

Q: Do you work with both residential and commercial properties?
Yes. We handle gas line services for homes, apartment buildings, restaurants, and other commercial spaces throughout the greater Seattle area.

Q: How long does a typical gas line installation take?
It depends on the complexity of the job. Smaller installs (like appliance hookups) may take just a few hours, while larger or more complex projects may take 1–2 days. We’ll provide a clear estimate and timeline during your consultation.

    
 
 
       Posted on Google  
    Justin Gerardy 
 
 
 
 Trustindex verifies that the original source of the review is Google. As a restaurant owner in Seattle, I tend to find it infuriating when tradespeople over charge. It’s a real problem in this city. Knockout was fair and fast. Can’t say how much I appreciate it. I’ll be back for sure.
  
 
      Posted on Google  
    Margot Potts 
 
 
 
 Trustindex verifies that the original source of the review is Google. Zack and his crew were able to come within a couple days of calling and resolved my issue within minutes. They were very friendly and generous - highly recommend!
  
 
      Posted on Google  
    Veronica Seifner 
 
 
 
 Trustindex verifies that the original source of the review is Google. Knockout was great to work with - very courteous, responsive, and fair pricing. Zach came out to cap off a gas line for an appliance we switched to electric. The option was to do it from the inside or from the outside and remove the dedicated pipe altogether. Zach gave reasonable pricing (checked with two other companies) and was able to get the job done right away with expertise and professionalism. Knockout will be our top-choice, first-call for any future pluming needs in our home.
  
 
      Posted on Google  
    Mindy Martin 
 
 
 
 Trustindex verifies that the original source of the review is Google. Excellent experience. I was considering replacing my water heater back in the spring and Knockout was one of the companies I shortlisted to talk to. Ultimately I decided to wait on replacement, but Knockout was definitely at the top of my list. When my water heater started leaking the other day, I immediately reached out to Knockout, and they were able to get me scheduled the next day! I was given the choice between Bradford White and AOS. Zach came out and did a fantastic job. Friendly but professional; quick and efficient but thorough. Knockout respected the quote I was given a few months back which was very competitive. I strongly recommend this company!
  
 
      Posted on Google  
    rozap _ 
 
 
 
 Trustindex verifies that the original source of the review is Google. I asked these guys about hydrojetting our old sewer line that would occasionally get clogged. Zach showed up and looked at the situation, and after chatting for a bit he figured I could DIY it so I would know how to do it rather than paying every time it happeened. So he showed me a fitting for my pressure washer I could get, and described what to do. I did all that and it worked great, and I saved $850 that it would have cost, and then I knew how to do it going forward. They didn't even charge me. They're super honest guys with a lot of integrity. Definitely recommend them.
  
 
      Posted on Google  
    Jason Franklin 
 
 
 
 Trustindex verifies that the original source of the review is Google. Colin and his team have completed 2 projects for us and is always very helpful and informative in his diagnosis and explaining his course of action. I highly recommend him and Knock out Plumbing for all your plumbing needs.
  
 
      Posted on Google  
    Michael Johnson 
 
 
 
 Trustindex verifies that the original source of the review is Google. Zach has done a number of plumbing jobs for us over the years ranging from large bathroom additions to smaller repairs, every time they've been top quality. I highly recommend Knockout!
  
 
      Posted on Google  
    Simone 
 
 
 
 Trustindex verifies that the original source of the review is Google. Zach is a consummate professional. He was thorough, timely, efficient, personable, and diligent. He returned the next day after the job to place a cover on a part, which is something my partner & I wouldn’t have known. Clearly, he has integrity, which in my book is paramount. We emphatically would not recommend anyone else, but him and his team for plumbing jobs. We were beyond pleased with Zach’s skill and caliber. 20/10 ⭐️
  
 
      Posted on Google  
    Evan Wiederspan 
 
 
 
 Trustindex verifies that the original source of the review is Google. Zack and his crew replaced my kitchen sink drain after it started leaking. I was really happy with the price, and the speed and quality of their work. It was also easy to get a quote and schedule over the phone. I would definitely hire Knockout Plumbing again in the future!