Commercial Plumbing in Denver, CO
For all your company's plumbing needs in Denver, CO, GFR Plumbing provides complete commercial plumbing services.
- Prompt Commercial Service
- Maintenance Contracts Available
- Licensed & Insured
- Certified Backflow Testers
Your Trusted Commercial Plumbers in Denver, CO.
Contact GFR Plumbing now for dependable, professional service that keeps your business flowing.
Dependable Commercial Plumbing for Businesses in Denver, CO
At GFR Plumbing, we provide robust commercial plumbing solutions designed to meet the rigorous demands of Colorado businesses in Denver. From high-capacity water heaters to industrial-grade drain systems, our team ensures your commercial infrastructure functions flawlessly.
Our expertise includes:
- Large-scale water heater repair and installation
- Commercial drain clearing and hydro-jetting
- Annual backflow prevention assembly testing, repair and city reporting

Additional Plumbing Maintenance Services in Denver, CO
Our maintenance and specialty plumbing services in Denver, CO protect your home year-round and extend the life of every system.

Customers
Why Choose GFR Plumbing for Commercial Plumbing in Denver, CO?
We prioritize minimizing downtime for your business, recognizing that every hour counts. Our experienced technicians deliver swift, effective solutions to get your commercial plumbing back in good working condition quickly.
- 24/7 Availability, Commercial plumbing emergencies don't wait for business hours, so neither do we. Our team is on call to address critical issues anytime.
- Minimal Downtime, We schedule disruptive work before opening, after closing or over the weekend.
- Detailed Records, You get invoices, photos and test reports for every service visit.
Citywide Coverage
We serve businesses throughout Denver, from downtown storefronts to industrial parks and suburban shopping centers. Our trucks carry commercial-grade parts so most repairs are finished in one visit.
Experienced Team
Our commercial plumbing team at GFR Plumbing consists of highly trained and certified professionals with extensive experience in industrial and commercial systems. They undergo continuous training on the latest technologies and code updates to better serve your business.
Safety-First Approach
Safety is paramount in all our commercial plumbing projects, from initial assessment to final cleanup. We closely follow all OSHA guidelines and local safety protocols, keeping a safe working environment for your staff and our technicians.
Trusted Certified Denver Plumbing Services Professionals
At GFR Plumbing, we take pride in providing certified plumbing services throughout Denver, CO. Backed by recognized industry credentials, our experienced plumbers combine technical skill with genuine customer care. Whether it is repair, installation, or maintenance, we follow strict safety and quality standards to deliver long-lasting results you can trust.
Call Us Now
PHCC Plumbing Contractor Recognition
Better Business Bureau (BBB) Accreditation
Angi Certified Pro
ISO 9001 Quality Management CertificationTrusted Commercial Plumbing Services in Denver, CO
Backflow Prevention Testing & Repair in Denver
Protecting your potable water supply from contamination is critical for any commercial property in Denver. GFR Plumbing provides complete backflow prevention device testing, certification, and repair services. Our certified technicians confirm your backflow preventers are functioning correctly and meet all local health department regulations, preventing harmful substances from entering the public water system and protecting your employees and customers.

Commercial Water Heater Repair & Installation in Denver, CO
Commercial water heaters are often larger, more complex, and operate under greater stress than residential units, commonly requiring specialized repair and maintenance. We service all major brands including A.O. Smith, Rheem, and Bradford White commercial models, ensuring your business has a consistent supply of hot water. Whether it's a gas, electric, or tankless system, our technicians are skilled in diagnosing issues like pilot light failures, heating element malfunctions, or pressure relief valve problems specific to high-demand commercial use in Denver. Proper sizing and installation are essential for efficiency and longevity.
Multi-Family and Property Management Plumbing in Denver
Apartment complexes and HOAs need a plumber who can handle many units and fast turns. We repair leaks, replace water heaters, clear stacks and repipe buildings while keeping residents informed. Property managers get consistent pricing and detailed invoices for each unit. We also help plan capital projects like building-wide repipes.
Commercial Restroom Fixture Service in Denver, CO
Maintaining functional and hygienic restrooms is vital for any commercial establishment in Denver, CO. GFR Plumbing provides complete services for commercial restroom fixtures, including repair and replacement of toilets, urinals, sinks, and automatic faucets. We address common problems like persistent leaks, clogs, and low water pressure, ensuring your commercial restrooms are always in excellent working order for your patrons and employees.
Grease Trap and Interceptor Service in Denver, CO
Restaurants and food service sites must keep grease out of the public sewer. We inspect and service grease traps and interceptors, replace baffles and clear the lines leading to them. Hydro jetting removes hardened grease from kitchen drains that cables cannot clear. Regular service helps you pass health inspections and avoid sewer backups during the dinner rush.
Commercial Drain Cleaning & Hydro-Jetting in Denver
Commercial drains handle far higher volumes and different types of waste than residential ones, leading to more frequent and stubborn clogs. Our services include powerful hydro-jetting, which uses high-pressure water streams to scour pipe interiors, removing grease, sludge, and debris that build up in commercial kitchens and restrooms. This method is very effective for maintaining the large diameter pipes typical in commercial settings and preventing costly backups in Denver, CO. We service all types of commercial properties, from restaurants to retail spaces.
Backflow Testing and Repair in Denver
Most water providers require annual testing of backflow prevention assemblies on commercial properties. We test reduced pressure zone, double check and pressure vacuum breaker assemblies with certified gauges. When a device fails, we rebuild it with manufacturer kits from Watts, Wilkins or Febco. We submit the results to your water provider so you stay in compliance.

Commercial Drain Cleaning in Denver
GFR Plumbing offers specialized commercial drain cleaning services to keep your business's plumbing flowing smoothly. We use industrial-grade equipment like hydro-jetting machines, which use high-pressure water to scour the inside of pipes, thoroughly removing grease, food waste, and other common commercial blockages. This method is far more effective than traditional snaking for large-diameter commercial lines and ensures a thorough clean, preventing recurring clogs that can disrupt your operations in Denver.
Commercial Plumbing Near Me in Denver, CO
We know the water providers, inspectors and code requirements that apply to Denver businesses. That familiarity helps us keep your property up to code. Your operations stay on schedule.
We are dedicated to providing quick and efficient commercial plumbing solutions across Denver, CO. Our technicians are strategically dispatched to keep quick response times, minimizing disruptions to your business. Trust GFR Plumbing to be your accessible, trusted commercial plumbing expert, ready to serve your property with skill and precision.
GFR Plumbing at a Glance
- Fully licensed plumbing team covering Denver, CO
- 24/7 emergency service with same-day scheduling
- Upfront, flat-rate pricing before work begins
- 4.8-star rated by 750+ Colorado customers
Denver Map
Denver Information
- Population
- 716,577
- Area codes
- 303/720/970
- Service area
- Denver and communities within 40 miles
- Nearby
- Aurora, Commerce City, Thornton, Centennial
For businesses in Denver, CO, durable commercial plumbing is essential to withstand heavy usage, and our services are built to address local water conditions and the daily demands of your business.
Expert Services
Trust our professionals for reliable GFR Plumbing solutions in Denver, CO.
Our Specialized Plumbing Services in Denver, CO
At GFR Plumbing, we provide a complete range of plumbing services across Denver, CO. From leak detection to full system installations, our team ensures fast, precise, and affordable service for both residential and commercial properties. Explore our core services below:
How Our Commercial Plumbing Process Works in Denver, CO
We keep commercial service simple, documented and scheduled around your hours.
Request a Quote
Call (720) 727-9398 and tell us about your property and the problem or project. We schedule a plumber or estimator at a time that works for your operation.
Assess and Propose
We inspect the system, explain options and provide a written proposal. You approve the work before we begin.
Complete and Document
We finish the work with minimal disruption and test everything. You get invoices, photos and any compliance reports for your files.
Frequently Asked Questions About Commercial Plumbing in Denver
Service calls for small commercial repairs often run $200 to $600, and larger projects are quoted individually. Backflow tests typically cost $75 to $175 per device.
Key signs include unexplained increases in water bills, persistent slow drains or frequent clogs, foul odors coming from drains, reduced water pressure, discolored water, or visible leaks around fixtures or pipes. Addressing these quickly can prevent more costly damage to your Denver business.
Regular preventative maintenance, including scheduled drain cleaning, backflow testing, and water heater flushing, is key. Educating employees on proper waste disposal, especially in kitchens and restrooms, also greatly reduces common issues in Denver commercial properties. Installing strainers and grease traps helps a great deal.
Due to the complexity, specialized equipment required, and strict regulatory compliance for commercial plumbing, DIY repairs are strongly discouraged. Attempting to fix commercial plumbing problems without proper training can lead to further damage, code violations, and potential safety hazards. Always trust a licensed commercial plumber.
Yes, GFR Plumbing has specialized expertise in a wide range of commercial plumbing equipment. We regularly service, repair, and install grease traps, industrial pumps, backflow prevention devices, and commercial water filtration systems for businesses across Denver.
Staff can handle simple tasks like replacing toilet seats or clearing minor clogs. Backflow work, gas lines, water heaters and code-regulated repairs need a licensed plumber.
Yes, our commercial repairs and installations include written warranties on parts and labor. Manufacturer warranties apply to new equipment as well.
GFR Plumbing services and installs all major brands of commercial water heaters, including A.O. Smith, Rheem, Bradford White, Ruud, and State. Our technicians are trained to work on various types, such as gas, electric, and tankless commercial units, ensuring your business has reliable hot water.
What People Are Saying About Our Plumbing Experts?

Laura S.
I scheduled a water heater replacement, and the team made the process smooth and affordable. The new unit works perfectly, and they cleaned up after completing the job.
Water Heater Replacement · Thornton, CO
Robert G.
The trenchless sewer replacement saved our front yard. They walked us through the camera inspection footage first so we knew exactly what we were paying for.
Sewer Line Replacement · Centennial, CO
Mark T.
When our office needed drain cleaning, GFR Plumbing provided quick, reliable service. The plumber arrived on time and made sure every drain flowed perfectly before leaving. Very satisfied.
Drain Cleaning · Thornton, CO
Daniel K.
A pipe burst at 11 pm and they actually answered. The plumber showed up within the hour, shut everything down, and had us back to normal the next morning. Could not ask for more.
Emergency Plumbing · Aurora, CO
James P.
Our commercial plumbing system had a leak under the sink, and GFR Plumbing handled it professionally. The plumbers arrived quickly and restored everything without disruption to our customers.
Commercial Plumbing · Thornton, CO
Patricia H.
We had a slab leak that two other companies could not find. GFR Plumbing located it in under an hour, explained our options, and the price matched the quote to the dollar.
Slab Leak Repair · Centennial, CO













