The Best Plumbing Contractors in Denver, CO

Compare the highest-rated plumbing professionals in Denver, Colorado. All contractors are licensed, insured, and verified through our rigorous screening process.

#1

Baker Brothers Plumbing, Air & Electric

4.8
(800 reviews)
Verified

A highly reputable, full-service company offering comprehensive plumbing, HVAC, and electrical services. They are known for their 24/7 emergency response, professional technicians, and strong focus on customer service. Their "On-Time Guarantee" and upfront pricing are significant strengths.

5075 N Washington St, Denver, CO 80216

Specialties & Features

Emergency plumbing repairs
Water heater installation
Drain and sewer services

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes
#2

Mike Diamond Plumbing & Heating

4.7
(450 reviews)
Verified

A well-established local contractor known for its expertise in both plumbing and heating systems. They emphasize quality workmanship, thorough diagnostics, and solutions for both residential and commercial clients. They have a strong reputation for handling complex sewer and repiping projects.

4900 Nome St, Unit C, Denver, CO 80239

Specialties & Features

Sewer line replacement
Pipe installation and repiping
Water heater services

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#3

Roto-Rooter Plumbing & Water Cleanup

4.4
(300 reviews)
Verified

As part of a national franchise with a strong local presence, this provider offers the reliability and resources of a large brand combined with local operational knowledge. They are a go-to for urgent drain clogs and sewer backups, providing fast, 24/7 service with a focus on drain and sewer cleaning.

5005 Vasquez Blvd, Denver, CO 80216

Specialties & Features

Drain cleaning
Sewer services
Emergency plumbing repairs

Business Information

Years in Business:40 years
Licensed:Yes
Insured:Yes

Why These Are the Top Plumbing Contractors in Denver

** The plumbing market in Denver is highly competitive and mature, characterized by a mix of long-standing local companies and established national franchises. The overall quality of service is high, as contractors must be licensed by the state of Colorado, which requires passing exams and proving experience. Due to Denver's aging infrastructure in many historic neighborhoods and the strain of a growing population, services related to sewer line replacement, pipe repiping, and drain cleaning are in high demand. The market is also influenced by the city's climate, with a need for services that address frozen pipes in winter and the installation of efficient water heaters. Pricing is typically at a premium compared to national averages, reflecting the city's high cost of living and the specialized knowledge required for local challenges. Emergency service call-out fees can range from $150-$300, with hourly labor rates between $90-$200.

High Ratings

4.7+ star average from verified customer reviews

Fully Licensed

All contractors are properly licensed and insured

Proven Experience

10+ years average experience in the industry

Local Experts

Familiar with Denver regulations and climate

Frequently Asked Questions About Plumbing in Denver

Get answers to common questions about plumbing services in Denver, Colorado.

1How does Denver's climate and hard water affect my plumbing, and what maintenance is recommended?

Denver's hard water, with high mineral content, leads to significant scale buildup in pipes, water heaters, and fixtures, reducing efficiency and lifespan. The freeze-thaw cycles, especially with sudden spring snowstorms, make pipes vulnerable to freezing and bursting. We recommend installing a water softener to combat scale and ensuring pipes in unheated areas like crawl spaces are properly insulated before winter.

2What is the typical cost range for common plumbing services in the Denver metro area?

Costs vary by job complexity and provider, but Denver homeowners can expect to pay $150-$450 for a standard service call and repair (e.g., fixing a leaky faucet or running toilet). Larger jobs like water heater replacement typically range from $1,200 to $3,500, depending on the unit type and local code requirements. Always get a detailed, written estimate, as prices can be higher for older homes in neighborhoods like Capitol Hill or Washington Park that may need updated materials.

3Are there specific local regulations in Denver I should know about for plumbing repairs or renovations?

Yes, the City and County of Denver has strict plumbing codes, and most work beyond a simple repair requires a permit and inspection. Notably, Denver mandates the use of licensed master plumbers for any work that involves altering the water or drainage system. Furthermore, due to water conservation efforts, there are regulations on fixture flow rates, so replacements often require low-flow toilets and faucets to be compliant.

4What should I look for when choosing a reliable plumber in Denver?

Always verify that the plumber holds a current City of Denver Master Plumber license, which is a higher standard than a state license alone. Choose a locally established company familiar with Denver's specific codes, common issues in your home's era, and the challenges of our soil and climate. Check for positive reviews on local platforms and ensure they provide upfront, flat-rate pricing to avoid surprises.

5Why is sewer line repair so common in Denver, and what are the signs I might need it?

Denver's older neighborhoods have clay sewer lines that are prone to intrusion from thirsty tree roots and shifting soil, while newer areas can still face issues. Key signs include multiple slow drains, gurgling toilets, or sewage backups, especially after heavy rain or snowmelt. We recommend a professional video inspection if you notice these symptoms, as proactive repair or trenchless relining can prevent a major backyard excavation and costly emergency.