5.0/5.0 customer rating
Arapahoe County Plumbing Commercial Plumbing Services Contact Allen Service
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Call Us Today! 970-431-6574
  • Plumbing Experts Since 1962
  • Fully Stocked Trucks Save You Time
  • Highly Trained, Uniformed Technicians
  • Prompt Same-Day Service, Every Time
  • J
    Jon Rydgren
    "Their responsiveness is second to none" Their responsiveness is second to none. When I call, they’re on-site the same day and stay until the issue is resolved.
  • J
    Jesse Zuniga
    "This Guy Is Genuinely the Whole Package" Dude is never frazzled, takes time to answer questions, and always gets the job done with a smile on his face.
  • s
    scott Malloy
    "Thomas and His Whole Group Are Awesome" Ever since Thomas and his group have been taking care of my problems, they are able to fix everything; you name it, they can fix it.
  • J
    Jason Mastrine
    "Extremely Proficient and Polite" Johnny and his team were extremely proficient and polite.
  • W
    Will J.
    "Carson Was Knowledgeable" Carson was knowledgeable and explained the process step by step!
  • L
    London House
    "They Have Earned Our Trust" They have earned our trust and proven that they are a company of their word.
Their responsiveness is second to none
I’ve been using Quality First (now part of Allen Service) for years, and as a multi-family maintenance professional, I can’t overstate how valuable it is to have reliable, experienced vendors for those larger, more complex repairs. Chris, Gavin, Sam, Zach, Carson, and their supervisors have consistently exceeded expectations across multiple properties. They’re not only highly knowledgeable and professional, but they also take the time to walk us through repair and replacement options, helping us land on the right decision every time. Their responsiveness is second to none. When I call, they’re on-site the same day and stay until the issue is resolved. I truly can’t recommend these teams enough. If you need a repair done quickly—and done right the first time—call these guys.
Jon Rydgren
This Guy Is Genuinely the Whole Package
My property sends a lot of business to Quality First, and they have gotten us back to normal more times than I can count with our 50-year-old property at 333 units, but this specific shout-out goes to Zach, who is ALWAYS a pleasure to work with. He has knowledge, is fair and consistent, and always takes time to communicate with our residents to ensure they receive not only a job that gets done correctly and quickly (which is super important), but also he excels in providing our residents with quality customer service. Dude is never frazzled, takes time to answer questions, and always gets the job done with a smile on his face. This guy is genuinely the whole package, and I am grateful whenever Quality First sends him our way. THANK YOU, ZACH!
Jesse Zuniga
Thomas and His Whole Group Are Awesome
I am the maintenance manager at Straight Creek Apartments in Dillon, Colorado. I have three buildings that were built in the early '70s, and I'm always having major plumbing issues. Ever since Thomas and his group have been taking care of my problems, they are able to fix everything from copper pipe, underground cast, boilers, pumps; you name it, they can fix it. I've never been disappointed. Thomas and his whole group are awesome. I'm so happy to have them on my team.
scott Malloy
Extremely Proficient and Polite
Johnny and his team were extremely proficient and polite. Very clean. I was comfortable having him in my house even when I was occasionally not there. I continue to be impressed with NOW and am happy to be doing business with them - both here at my house as well as a project they are now undertaking at my business.
Jason Mastrine
Carson Was Knowledgeable
Carson was knowledgeable and explained the process step by step! My name is Will, Multisite Maintenance Mgr for Birge & Held. GREAT SERVICE!
Will J.
They Have Earned Our Trust
Quality First is an excellent organization to work with. As a mid-size residential condominium building, we see a wide variety of plumbing needs from installations to repairs to general building improvements, and Quality First is our go-to supplier. When the dispatch team says, "And yes, I can help you," they mean it. I have worked with this company many times and can't say enough about the friendliness, professionalism, and competence of every member of the team, including dispatch, work teams, and accounting staff. As much as I would like to name individuals who provided exceptional service, the bar is pretty high here. My experience with every person has been great. It's a fact of life that sometimes a project doesn't go as planned in this or any field. Unforeseen problems can arise in spite of the best efforts, but what matters is how those surprises are managed. It's in these moments when Quality First truly shines. They approach every job with integrity and commitment, and when surprises pop up, they send whatever individuals or teams are needed as often as required to get the job done and get it done right. They are also fair, with no invoice-padding or attempts to inflate a project for their own gain. I recommend this organization very highly. They have earned our trust and proven that they are a company of their word.
London House

Serving Littleton, Centennial, Englewood and beyond Commercial Plumbing Service Arapahoe County

When commercial plumbing concerns arise, timely and professional service is critical. Allen Service offers comprehensive commercial plumbing services for businesses, encompassing leak detection, pipe repair, installation of fixtures, and maintenance. Each service is executed with the aim of minimizing downtime and ensuring the smooth operation of your commercial property. Understanding the diverse needs of commercial entities, Allen Service tailors its commercial plumbing services to meet your specific requirements, ensuring efficient and effective plumbing support. Our approach focuses on reliability, timely service, and clear communication.

For commercial plumbing services that keep your business running smoothly, contact Allen Service at (970) 431-6574.

Common Questions
  • What types of businesses do you serve?
    We serve a wide range of commercial establishments, including offices, restaurants, schools, hospitals, and retail outlets. Our services are flexible to meet diverse business needs.
  • How quickly can you respond to a service request?
    We prioritize prompt service and aim to respond to all service requests as quickly as possible. For emergency situations, our team is available 24/7 to ensure a rapid response.
  • What areas do you serve?
    We serve the entire metropolitan area and surrounding regions. Our focus is on providing reliable commercial plumbing solutions across these areas. Contact us to confirm if your location is covered.
  • Can you help with plumbing system design?
    Yes, we offer consultation and design services for new plumbing systems and upgrades. Our team works with you to create efficient, reliable systems tailored to your business needs.
Why Trust Our Services?
  • Plumbing Experts Since 1962

    Decades of trusted family service for homes and businesses.

  • Fully Stocked Trucks Save You Time

    Most repairs finished in one visit—no waiting for parts.

  • Highly Trained, Uniformed Technicians

    Professional, certified plumbers ready to solve any issue.

  • Prompt Same-Day Service, Every Time

    Fast solutions and emergency help—right when you need it.

Plumbing Solutions You Can Trust, Year After Year
Call Us Today! 970-431-6574
or Contact
Why Choose Allen Service

For over 60 years, Allen Service has delivered dependable HVAC, plumbing, and electrical solutions across Denver, Fort Collins, and beyond. As a family-owned company, we put your comfort first—offering quality workmanship, honest communication, and 24/7 service. Experience the difference that comes from people who truly care.

Why Choose Us:

  • Trusted local experts since 1962
  • Family-owned and operated for three generations
  • Comprehensive HVAC, plumbing, and electrical services
  • 24/7 emergency availability
  • VIP membership plans with exclusive benefits
  • Customer-first guarantee on every job
Arapahoe County Commercial Plumbing Services
Call for More Information Today!
970-431-6574
Areas We Serve
  • Greenwood Village
  • Arapahoe County
  • Centennial
  • Littleton
  • Englewood
  • Lone Tree
  • Denver
  • Sheridan
  • Cherry Hills Village
  • Highlands Ranch
  • Columbine
  • Southglenn
Get in Touch
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