Garrison Plumbing Services is a North Texas based company with over 10 years of experience in serving our customers. We have adapted to the ever-changing plumbing needs of the North Dallas communities. We base our business on being honest and providing quality work of the highest standards. We believe in offering the best service at a competitive price in a safe and timely manner. 

Why Choose Garrison Plumbing Services?

We solve the toughest challenges with service. And we treat your home with care.

Garrison Plumbing has been the greater North Dallas choice because our master craftsmen treat your home with care, and we know how to solve the toughest plumbing challenges. Here are the top reasons to choose us:
Stellar Reputation and Service: We consistently earn 5-star reviews on Angie's List, Yelp and similar search and review sites.
Non-commissioned Staff: We're one of the only greater Dallas plumbing companies whose service technicians don't work on commission. Their only goal is to fix your problem the best way possible–not to earn commission by selling you parts or services that you don't need.
We Solve All Residential and Commercial Issues: From residential repairs and emergencies to commercial construction or renovation projects, we do it all. Our team has over 60 years of experience in troubleshooting, inspections, repairs, installations, restoration and more: If we can't do it, no one can!

Licensed · Bonded · Insured

Garrison Plumbing Services is a full-service company, providing plumbing installation and repair, including:

  • Commercial Plumbing Service
  • Residential Service
  • Tenant Improvement projects
  • General Plumbing Services
  • New Plumbing Installation
  • Leak Repair
  • Gas Piping Repair and Replacement
  • Water Piping Repair and Replacement
  • Water Heater Repair and Replacement
  • Tankless, On-Demand Water Heaters
  • Boiler Installation & Repair
  • Drain Cleaning
  • Hydro Jetting
  • Camera Inspection Service
  • Smoke Testing

Our Commitment to You

We're committed to upholding these standards, guaranteeing that you receive the best possible treatment:

  • Friendly courteous service from a live person whenever you call
  • Clean, presentable technicians
  • Fair and competitive pricing
  • High quality workmanship and products
  • One year warranties on our installation and plumbing materials



Meet the team

ThomasThomas Garrison, President and founder of Garrison Plumbing Services is a third generation master plumber. He started his career in the plumbing industry in 1999 with A&T Inc. Thomas specializes in all areas of plumbing including commercial, medical, industrial, government, residential, and service. In his free time Thomas enjoys spending time with his family, traveling and fishing.

WanidaWanida Garrison, COO - has been here since the start of the company. She began working for Garrison Plumbing in 2013, and is our VP, COO.

JaredJared Mahan, Master Plumber and Sr. Project Manager at Garrison Plumbing Services, Jared has been here almost since the start of the company. Jared is a master plumber with over 24 years of experience in the plumbing industry, specializes in all areas of plumbing including commercial, medical, industrial, government, residential, and service. In his free time he enjoys spending time with his family, hockey and building performance race cars.

BarbaraBarbara Smitter, Office Manager at Garrison Plumbing Services, handles everything from answering phones, billing, collections and payroll. She has been working in the plumbing industry since April of 2004. In her free time Barbara enjoys spending time with her family and traveling.


As well as offering Industrial, Medical, Commercial, Residential and Service Plumbing, Garrison Plumbing Services offers an extensive service platform with a variety of services such as assistance in LEED design, plumbing design, medical gas design, line locating, slab leak locating, underground camera inspections, smoke testing, system flushing, backflow testing, hydro-jetting, un- clogging of sewer stoppages, preventative plumbing maintenance, general plumbing repair or replacement and around the clock emergency services provided by licensed plumbing professionals.

Garrison Plumbing Services will respond to service and/or warranty emergencies with top priority.  Any non-emergency service and/or warranty calls will be responded to within 24-72 hours of notification. We require five to seven days for scheduling on any new construction. Each customer is very important to Garrison Plumbing Services and we make it a point to return calls as quickly as possible.  However, all calls will receive priority to assure that each problem is sorted according to an emergency basis. This allows the customers who have severe problems to be handled expeditiously.

Responsible Master Plumber
Thomas Garrison #M-37832
Texas State Board of Plumbing Examiners
929 East 41ST PO BOX 4200 * Austin, TX 78765
PH: (512) 458-2145 FAX: (512) 450-0637


We carry $1,000,000 in general liability insurance for your protection and you can be assured that all of your plumbing will be preformed by only licensed plumbing professionals.


All parts and labor provided by Garrison Plumbing Services is guaranteed for one full year (excluding stoppages and or client supplied items).  If a problem should arise, we guarantee that it will be rectified in a prompt professional manner.