Plumbers in Castle Rock, CO

Expert Plumbing and Drain Solutions in Castle Rock

Cooper Green Team has been Castle Rock’s go-to for plumbing since 1978. With 45 years of experience, we’re known for quick response times, strong customer protection, and a highly skilled team serving homes and businesses — emergency repairs, installations, and maintenance.

Castle Rock sits high in Douglas County, where winters run long and cold, so frozen-pipe risk is real, and like the rest of the metro, homes here deal with Colorado’s hard water, which scales up pipes, fixtures, and water heaters. With the area’s fast growth over the past couple of decades, many homes are now reaching the age where water heaters and fixtures need attention. We handle it all — water heater repair and replacement, whole-home repiping, water softeners and filtration, drain and sewer cleaning, trenchless sewer repair, sump pumps, automatic shut-off valves, and gas line repair. We’re ready 24/7 and often resolve problems in a single visit. Call today!

Why Castle Rock Homeowners Choose Cooper:

A+ BBB rating every year since 1990
Serving the Denver metro since 1978 — licensed plumbers, 24/7
Same-day repairs and replacements from fully-stocked trucks — most issues fixed in one visit
Residential and commercial plumbing under one trusted home-services team

100% Satisfaction

Proven by Our A+ BBB Rating Since 1990

High-Quality Work

Done right the first time

Emergency Services

From highly-trained plumbers

Expires November 20, 2026

🚰 Protect Your Plumbing This Fall 🍁

Save $150 on qualifying plumbing services of $750 or more.

Plus, get up to $1750 in heat pump water rebates and up to $325 in boiler rebates.

Take care of plumbing repairs & upgrades this fall and keep your home ready for colder Colorado weather!

Schedule with offer

$100 OFF applies to qualifying plumbing services and repairs totaling $1000 or more, including water heater service.

Rebates and tax credits are subject to program rules and funding availability and may change without notice.

Offer must be presented at the time of booking and cannot be combined with other discounts, coupons, or promotions—no cash value. No substitutions or rain checks permitted.

Valid for residential services only. Additional terms and conditions may apply.

Offer expires 11.20.2026.

Call (720) 605‑7270

Our Plumbing Services in Castle Rock

Water Heater Services in Castle Rock

Is your water heater making a strange noise? Is it failing to keep up with your hot water demands? Call the Cooper Green Team today, and we’ll arrive promptly to diagnose and resolve your issue. Cooper has some of the fastest response times in the state, so our customers never have to wait long. And because we keep a large supply of parts and equipment in our service vehicles, we’re able to deliver same-day repairs and even replacements.

Considering replacing your old water heater? We install the latest tankless systems as well as the tried-and-true tank varieties, as well. We’ll even help find you a great financing deal to go along with it!

Our water heater services include:

Water Quality & Pipe Services in Castle Rock

Here in Colorado, hard water is tough on dishes, plumbing fixtures, pipes, and skin. To combat that hard water, the Cooper Green Team helps our customers by installing the latest whole-home water softening systems. In tandem with whole-home water filtration systems, your household will enjoy the purest, softest, water possible!

Water filtration isn’t the only thing the Cooper Green Team specializes in. Pipe leaks and repairs are some of the most common requests we receive. Whether you're dealing with leaks, low water pressure, or outdated pipes that need upgrading, our licensed plumbers have the expertise to diagnose and resolve your piping issues.

Our water quality & pipe services include:

Pipe repairs
Whole-home repiping
Water softeners
Water treatment & filtration systems
Automatic shut-off valve services

Drain Cleaning & Sewer Services in Castle Rock

Tired of that clogged drain? Worried about your basement flooding? Call the Cooper Green Team for expert recommendations. We offer the latest drain-busting technology that is guaranteed to eliminate any clog from your drain or sewer line. And we can install the perfect sump pump or backflow prevention device to prevent basement flooding or sewer backups.

Need major sewer line repairs, but don’t want to destroy your yard? Cooper’s plumbers have got you covered with non-invasive video camera inspections and trenchless sewer line repairs. It’s fast, safe, and will even save you some money!

Our drain & sewer services include:

Kitchen & Bath Fixture Services in Castle Rock

If you have a fixture that’s leaky, loose, or drip-drip-driving you crazy, call the skilled plumbers at the Cooper Green Team. Our licensed pros specialize in repairing and replacing fixtures of all kinds, from faucets and showerheads to toilets, sinks, and garbage disposals.

Considering giving your kitchen or bathroom a makeover? With a focus on quality craftsmanship and customer satisfaction, Cooper is your go-to source for fixture replacements and installations of all kinds, making your home improvement project fast, easy, and stress free.

Our kitchen and bath services include:

Kitchen plumbing appliances
Bathroom plumbing appliances

Commercial Plumbing Services in Castle Rock

Cooper Heating & Cooling offers comprehensive commercial plumbing services to businesses throughout Colorado. Our experienced team handles commercial plumbing challenges of all kinds, from routine maintenance and repairs to complex installations and upgrades.

We understand the importance of minimizing downtime and ensuring your operations run smoothly, which is why we’re open 24/7 for your convenience. Whether it's a leaky faucet in a restaurant, a clogged drain in an office building, or the installation of new fixtures in a retail space, the Cooper Green Team delivers professional, high-quality plumbing solutions that do the trick, every time.

Our commercial plumbing services include:

Tank & Tankless Water Heaters
Water Quality & Pipes
Drains & Sewers

Cooper’s Expert Techs Make Plumbing Hassles Disappear

Problem: Bronwen K. faced a frustrating plumbing problem in their basement. With a history of plumbing issues, they needed a quick, dependable fix — so they came back to Cooper, whom they've always trusted for reliable service.

Solution: Brendan, one of our skilled technicians, was sent to tackle the basement plumbing issue. True to Bronwen's expectations, he quickly identified and fixed the problem, explained everything thoroughly, and went the extra mile by answering other plumbing questions along the way — reinforcing Bronwen's trust in Cooper's professional, high-quality work.

"All their techs are professional, get the job done quickly, and the work is always high quality."

We have used Cooper on several occasions and have had a wonderful experience each time. All their techs are professional, get the job done quickly, and the work is always high quality. Most recently, Brendan came out to fix a plumbing issue in our basement. He diagnosed and resolved the problem quickly, he explained everything in detail, and even helped answer some other plumbing questions not related to the issue. I highly recommend!!!
—Bronwen K.

See more outstanding 5‑star reviews on Google

Frequently Asked Questions About Plumbing in Castle Rock

Cooper Green Team provides residential and commercial plumbing in Castle Rock, CO, including water heater repair and installation, leak detection and pipe repair, whole-home repiping, water softeners and filtration, drain and sewer cleaning, trenchless sewer repair, sump pumps, automatic shut-off valves, and gas line repair. Licensed plumbers are available 24/7.

Yes. We're open 24/7 and keep our trucks fully stocked, so we handle emergencies like burst pipes, major leaks, and sewer backups — often resolving the issue in a single same-day visit.

They can be. At around 6,200 feet with long, cold winters, Castle Rock homes face real frozen-pipe risk, especially in exterior walls, crawlspaces, garages, and unheated areas. Keeping those areas insulated, letting faucets drip in deep cold, and knowing where your main shut-off is all help — and an automatic shut-off valve can limit damage if a pipe does burst.

Yes. Like most of the Denver metro, Castle Rock has hard, mineral-heavy water that scales fixtures and the inside of pipes and water heaters, and is tough on skin. A whole-home water softener, often paired with filtration, reduces buildup and gives you softer, cleaner water throughout the house.

Common signs include rusty or discolored hot water, rumbling or popping noises, water pooling around the base, running out of hot water, and an age of 10 to 15 years or more. Because many Castle Rock homes were built in the last couple of decades, a lot of original water heaters are now at that age.

A tankless water heater heats water on demand, saves space, and lasts longer, but costs more upfront. A traditional tank unit costs less to install and delivers a lot of hot water at once. The right choice depends on your household's hot water use and budget — we install and can help you compare both.

Trenchless sewer repair fixes or replaces a sewer line without digging up your whole yard. Using a video camera inspection to locate the problem, our plumbers repair the line through small access points — faster, less invasive, and often less expensive than traditional dig-and-replace.

Watch for an unexplained jump in your water bill, low water pressure, damp spots or stains on walls or ceilings, a musty smell, or the sound of running water when everything's off. If you suspect a leak, our licensed plumbers use leak detection tools to find and fix it fast.

Yes. Our licensed plumbers repair, replace, and install gas lines — for a new range, dryer, water heater, fireplace, or grill — safely and to code, and we pull the required permits.

Plumbing Care for Castle Rock’s Climate and Homes

Castle Rock plumbing has to stand up to two things: long, cold, high-elevation winters and Colorado's hard water. Cold winters mean frozen-pipe risk in exterior walls, crawlspaces, and unheated spaces, where a burst line can cause serious water damage fast. Hard water, meanwhile, scales up the inside of pipes, fixtures, and water heaters over time, shortening their life and hurting performance — and with so much of Castle Rock built in the last couple of decades, many original water heaters and fixtures are now due for attention.

The Cooper Green Team helps you stay ahead of both. We service and replace water heaters, protect your whole house with a properly sized water softener, add automatic shut-off valves to limit damage from a burst pipe, inspect pipes and sewer lines with a camera when needed, and handle everything from a spot repair to a whole-home repipe or trenchless sewer replacement.

Enjoy The Benefits of the Cooper Green Club 360

Want to save money on home services year-round? We've got a maintenance plan that's right up your alley.

Thousands of Colorado homeowners already save with the Cooper Green Club 360 membership. The only missing thing is you!

Enroll in Cooper Green Club 360 and get perks like:

Total Piece of Mind: One membership protects your home’s heating, cooling, electrical and plumbing systems.

Two precision maintenance visits per year, includes Heat Pumps

Exclusive membership savings

Plumbing Tips for Castle Rock and Denver Metro Homeowners

Common Causes of Clogged Drains

Clogged drains are some of the most common plumbing problems you could ever face. While a minor clog may not seem like a big deal, even the most minor clog can become a complete obstruction, causing much bigger plumbing problems.

Cost to Replace a Sewer Line in Colorado

Not much can be more unpleasant than sewage stinking up your bathroom or seeping into your yard. If this happens to you, you could need a sewer line replacement, but how much does that actually cost? Keep reading to learn more about the cost of a main sewer line replacement.

5 Signs That You Need Drain Cleaning

It’s common for a drain to become clogged occasionally. However, if you frequently deal with clogs or if your drains make strange sounds, or smell bad, then it could be time for a professional drain cleaning.