Blocked drains can result in inconvenient disruptions and potential health hazards, making prompt and efficient clearing services crucial. Allen Service offers professional drain clearing services designed to address and resolve such issues swiftly. Our approach combines thorough assessment with targeted solutions to ensure effective flow restoration and prevention of future blockages. At Allen Service, our drain clearing professionals understand the urgency and importance of maintaining clear, functioning drainage systems.
For immediate assistance and to ensure your drains remain clear and functional, contact Allen Service at (970) 431-6574.
Denver Drain Clearing Call for More Information Today!970-431-6574
Everything was simple from scheduling, updates on my appointment time, and the actual work performed.
R. J. G.
R"Matthew did an outstanding job"
Matthew did an outstanding job clearing our drain.
Ron Haptonstall (Jr)
C"Technician snaked the drain"
Technician snaked the drain that I requested and I think we're all good now!
Cathryn Sayer
P"Thank You for the Amazing Service"
He was efficient, professional, and very informative of what he was doing.
Peggy McNellis
A"Yet another great experience"
Want to acknowledge Easton for his professionalism and transparency in quoting me a cost to unclog my kitchen sink.
Angela Slade
R"Technician was very professional"
Technician was very professional and courteous during the entire visit.
Randy Larkin
B"Very happy with the work"
Gavin came out the same day that I called. Fixed our clog.
Brenda Fahlgren
r"Quickly Identified My Problem"
He cleaned out the drain and plugged a hole that had been unaddressed for at least a decade.
richard bellenbaum
M"Easton is the professional to go to!"
He found the problem quick and fixed the drain in no time!
Martina Ortiz
G"I’ll definitely call this company again"
Lance was very knowledgeable and answered all my questions.
Grace Mauery
J"Thank You for Hiring the Best"
I was very impressed with his knowledge, his hard work, and attention to detail.
Julia Helt
G"It Was a Pleasure to Work With Zach"
He was very professional and knowledgeable.
Gary “GaryG”
C"Gavin Is Fabulous"
What impressed me the most about Gavin is how consistently he explained everything, he didn't give up, he is very professional, very courteous.
Cynthia Conde
J"Chris was awesome!"
Our pipes are draining so well.
Julie Stebbins
C"Zach Really Knows His Job"
Zach and Carter responded and once again broke through the clog in a matter of minutes.
Curtis Smith
D"Punctual, Friendly, and Professional"
Zach was punctual, friendly, and very professional.
Devin Hunter
J"Chris was amazing"
Got an appointment the next day. Chris was amazing.
Jason Allison
S"He did a wonderful job"
Gavin checked the drain to the sewer, investigated all possible drain problems, found the clog, cleared it, and tested it all.
Susan Farris
M"We Are Very Pleased"
We are very pleased with the team's performance and will absolutely use them for all our future plumbing needs.
Mikki Farris
s"Resolved my clogged sink quickly"
He interacted very professionally, assessed the problem right away and, better yet, resolved my clogged sink quickly.
steve brison
A"Definitely recommend Quality First"
Zach was friendly, efficient, and put me at ease as he quickly diagnosed the problem.
Alexa Corcoran
K"Quick, Professional Service"
Zach was quick to come out and fix our slow-draining sink.
Kate Alfano
J"Highly recommend him"
He was polite, showed up as scheduled, and provided maintenance education regarding our clogged drain.
John Szarenski
P"The service was outstanding!"
Billy was very kind, patient, considerate, efficient, and clean!
Priscilla
B"Professional and Honest Service"
Zach was professional and honest and went the extra mile.
Brandon Hibl
T"Very friendly, knowledgeable, and professional"
David showed up right on time and was very friendly, knowledgeable, and professional.
Trey Haltom
M"Video Inspection of My Drain System"
He was on time, polite, very courteous, and discussed the results of the inspection thoroughly.
Michael Ebersole
M"Everyone from Quality First Plumbing Was Amazing"
Everyone from Quality First Plumbing was amazing, knowledgeable, and friendly!
Michelle Robinson
N"Efficient and Professional Service"
David took care of the clogged drain in an efficient and professional manner.
N S
M"Very pleased with the service!"
Seriously one of the friendliest repair people I have ever had!
Michael Sheridan
Allen Service was great to work with
Allen Service was great to work with regarding the plumbing service performed. Everything was simple from scheduling, updates on my appointment time, and the actual work performed. The plumbing tech, Jon, was very professional in explaining the work he performed. All in all, he was very careful, left no mess, and completed cleaning the drain lines in a short time. The pricing was very good as promised.
R. J. G.
Matthew did an outstanding job
Matthew did an outstanding job clearing our drain. Would ask for him again.
Ron Haptonstall (Jr)
Technician snaked the drain
Technician snaked the drain that I requested, and I think we're all good now! Personally, I think the price was high for 1 hour of work, but I know that prices are high across the board for professional services these days.
Cathryn Sayer
Thank You for the Amazing Service
Carson came to clean out a clogged drain and recommended other things he saw that were not in the best shape for plumbing and would cause issues down the road. I was very happy that he did, as they were things on my list of to-do’s that never got done. He was efficient, professional, and very informative of what he was doing. Thank you for the amazing service. You have a gem in Carson!!
Peggy McNellis
Yet another great experience
Want to acknowledge Easton for his professionalism and transparency in quoting me a cost to unclog my kitchen sink. Thank you, Easton!
Yet another great experience with Quality First Plumbing!
Angela Slade
Technician was very professional
Technician was very professional and courteous during the entire visit. He did a quick review of our issue and then generated the estimate while I waited. Decided to perform the work myself due to the high cost to replace the walk-in shower drain and trap piping.
Randy Larkin
Very happy with the work
Gavin came out the same day that I called. Fixed our clog. Very happy with the work. I would use Quality First again.
Brenda Fahlgren
Quickly Identified My Problem
Zach Duran quickly identified my problem and showed me what was really going on with my floor drain. He cleaned out the drain and plugged a hole that had been unaddressed for at least a decade. Thank you!
richard bellenbaum
Easton is the professional to go to!
Easton is the professional to go to! He found the problem quick and fixed the drain in no time! The technician was very resourceful, definitely somebody I will ask for again in the future.
Martina Ortiz
I’ll definitely call this company again
I called to have my clogged kitchen sink fixed, and they were able to get me on the schedule within two days. Lance was very knowledgeable and answered all my questions. As a new homeowner, I appreciated the attention to detail and advice he gave me to keep my drain in good shape. I’ll definitely call this company again for any future repair needs.
Grace Mauery
Thank You for Hiring the Best
Quality First, thank you for hiring the best, once again! Zack Duran visited my home on September 9 to address a drain clog/plumbing issue. I was very impressed with his knowledge, his hard work, and attention to detail. He was very friendly and kind, which made all the difference. I will definitely use Quality First next time I need service!
Julia Helt
It Was a Pleasure to Work With Zach
Zach came to help us with a kitchen sink backup in our condo. He was very professional and knowledgeable. He determined that the blockage was not in our line, but was in the "common line" for the building. He corrected the problem and cleared the line. He also worked with the HOA board to have the management company billed directly, relieving me of the responsibility of paying the bill and trying to get reimbursed by the HOA! It was a pleasure to work with Zach, and I appreciate his kindness and professionalism.
Gary “GaryG”
Gavin Is Fabulous
Called your company for a 2nd diagnosis on a plumbing issue (called Jim Needham first). Their technician was great, but after snaking, the kitchen drain didn't work. The next option was shocking.
Got connected with your company, and you sent Gavin the same day within a couple hours.
Gavin is young but very knowledgeable. In about 1/2 hour, Gavin had snaked my line again. That attempt also didn't work. He gave a quote for the next step, which was to jet it. Same results as Needham, and the price was close but a little higher. The difference is Gavin didn't give up. He sat there deep in thought, then he said he wanted to try one more thing that he'd come across before. Can't remember what he called it, but he took off a plastic ring between top of sink and bottom of the faucet, tapped it a couple of times, which released some fine sand and pebbles, rinsed it off, reattached it, and both drains emptied. You could hear the water rushing through the pipes. He even went further to make sure I knew how to do the process if this happens again. He also enrolled me in a program with his company for free. Don't remember the details (doesn't matter).
Gavin is fabulous. He changed shoe guards each time he went out to his truck, and he did it each time. What impressed me the most about Gavin is how consistently he explained everything, he didn't give up, he is very professional, very courteous, and truly is an asset to your company. Because of Gavin, I will be a loyal customer.
Cynthia Conde
Chris was awesome!
Chris was awesome! Our pipes are draining so well, and he was super respectful of the space.
Julie Stebbins
Zach Really Knows His Job
This is the second time I've used Zach. This time I requested him specifically. Zach and Carter responded and once again broke through the clog in a matter of minutes. Zach really knows his job and approaches the project thoughtfully. Pricing was very fair in my opinion.
Curtis Smith
Punctual, Friendly, and Professional
Zach was punctual, friendly, and very professional. He was able to clear my sink drain in no time and did a great job!
Devin Hunter
Chris was amazing
Got an appointment the next day. Chris was amazing. In and out, fixed my clogged drain.
Jason Allison
He did a wonderful job
Quality 1st has been great to work with from the phone call to the office this morning to the finish a few hours later. Desiree asked all of the right questions and set up an appointment right away. Holly continued to keep us advised of the status of the appointment. Gavin arrived well within the time quoted and ready to work. They were all very friendly and helpful. Gavin took the time to ask us for the details of what had occurred before the backup of the water into the basement. We advised him of what another company had found, on 2 separate trips here, which was that the drain to the sewer was clear. However, the basement flow drain, although no longer overflowing, was still not draining properly. Gavin checked the drain to the sewer, but also took the time to investigate all of the possible drain problems and found the clog in the pipe system in our crawl space. He was able to clear it and then tested it all to make sure the basement flow drain was operating as it should. In other words, he did a wonderful job and we all appreciate it!
Susan Farris
We Are Very Pleased
After dealing with another company a few times, we called Quality First to come figure out why our pipes keep clogging. Holly and Desiree in the office were very friendly and quick to get us on the schedule same day. They continuously called/texted with updates on arrival time. Gavin arrived and thoroughly investigated the issue. He was able to locate and clear the blockage very efficiently! We are very pleased with the team's performance and will absolutely use them for all our future plumbing needs. Thank you so much!
Mikki Farris
Resolved my clogged sink quickly
Gavin arrived within the scheduled time window and within 30 minutes of the on-the-way text notification. He interacted very professionally, assessed the problem right away and, better yet, resolved my clogged sink quickly. It was a deep clog 15–20 feet down the piping. Would highly recommend Gavin from Quality First for plumbing needs.
steve brison
Definitely recommend Quality First
Quality First is reliable, responsive, and efficient. My interaction with the dispatch woman was pleasant, which isn't always the case with the first point of contact for customers. I had an issue with the drain for my (brand new) washing machine and was able to get someone to come out same-day. Zach was luckily nearby and arrived within the hour. Zach was friendly, efficient, and put me at ease as he quickly diagnosed the problem. He made sure to test the drain thoroughly before leaving to ensure the issue was resolved. Definitely recommend Quality First and will be using them for any plumbing/draining needs in the future!
Alexa Corcoran
Quick, Professional Service
Zach was quick to come out and fix our slow-draining sink. He was very nice and professional, and presented several options for drain cleaning with his recommendation for the correct service for the job, which happened to be the lowest cost! I've used this company before for a furnace replacement and the service then was also excellent.
Kate Alfano
Highly recommend him
Gavin M. was very professional. He was polite, showed up as scheduled, and provided maintenance education regarding our clogged drain. Highly recommend him; he is my new plumber in Denver for sure.
John Szarenski
The service was outstanding!
The service was outstanding! My drain that was clogged is now draining beautifully. Billy was very kind, patient, considerate, efficient, and clean! He answered all my questions and explained things in layman's terms and gave great suggestions on how to avoid future issues. I highly recommend this company.
Priscilla
Professional and Honest Service
Zach was professional and honest. When our secondary drain was backed up, he went the extra mile to ensure things were working properly once the drain was cleared.
Brandon Hibl
Very friendly, knowledgeable, and professional
David showed up right on time and was very friendly, knowledgeable, and professional. He was able to immediately assess the situation with my overflowing sink, and unclog the drain line underneath my condo. He also went out of his way to give his assessment on my water heater and potential replacement. I will definitely use this company again for any future issues with plumbing, HVAC, or electrical.
Trey Haltom
Video Inspection of My Drain System
Chris performed a video inspection of my drain system, including the septic system. He was on time, polite, very courteous, and discussed the results of the inspection thoroughly.
Michael Ebersole
Everyone from Quality First Plumbing Was Amazing
Everyone from Quality First Plumbing was amazing, knowledgeable, and friendly! I called to get my condo kitchen sink unplugged/drained, and Shauntelle said she could get someone out there the same day. Other company services I called and have used in the past weren’t able to come out until a few weeks later, and obviously a backed-up sink needs to be fixed that day. (Of note: This is a common occurrence for older condo buildings and especially corner units; this is the 4th time since living here, and it’s not my fault and nothing I can do about it).
Excellent communication: I received an update for a time estimate of when a service person could be out there and then another call when he arrived.
Problem resolved: Chris took care of the problem of the backed-up drain and even went above and beyond by also helping me with the loose faucet handle by screwing that back on properly. He was nothing but knowledgeable and friendly and asked along the way if I had any questions.
I would highly recommend Quality First Services to anyone and would use them again (though I hope I don’t have to).
Michelle Robinson
Efficient and Professional Service
David took care of the clogged drain in an efficient and professional manner, and Charlette kept our communication chain up great. Would definitely recommend.
N S
Very pleased with the service!
Very pleased with the service! Zachary D. was extremely friendly and professional in helping us fix a stubborn clog. Seriously one of the friendliest repair people I have ever had!
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
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.
Common Questions
How can I prevent drain clogs?
Prevent clogs by avoiding pouring grease, coffee grounds, and food scraps down drains. Regular maintenance, such as flushing drains with hot water and vinegar, also helps keep them clear.
Can I clear a drain myself?
For minor clogs, you can try using a plunger or a drain snake. However, for persistent or complex blockages, it's best to hire professionals to avoid damaging your pipes.
What tools are used in drain clearing?
Drain clearing often involves plungers, drain snakes, augers, and hydro-jetting equipment. The choice of tool depends on the clog's severity and location in your plumbing system.
What is drain clearing?
Drain clearing involves removing blockages from pipes and drains to restore proper flow. It can include using tools or equipment to dislodge debris and buildup that cause clogs.
