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  • Average homeowner rating star icon4.5
    Average homeowner rating
  • Verified reviews icon1.6k+
    Verified plumbing services reviews

Top-Rated Plumbers in Derby - Updated Nov 2026

Avatar for American Plumbing & Sewer LLC
American Plumbing & Sewer LLC
4.9(
141
)
Tankless Water Heater - InstallWater Heater - Install or Replace

Serving Derby, CO and surrounding areas

Approved

Super Service Award Winner

In business since 2023

Free estimates

Credit card accepted

"This was a great experience. The owner of the company was a treat to talk to, very friendly and helpful. The job was handled effectively and efficiently. My all my plumbing needs, this will be my first call."
Response time6 hrs
Response rate99%
24 neighbors recently requested a quote
No Limits Plumbing & Drains LLC
5.0(
112
)
Faucets, Fixtures and Pipes - Repair or ReplaceDrain Clog or Blockage - ClearSewer Main - Install, Replace or Repair+10 more

Serving Derby, CO and surrounding areas

Approved

In business since 2024

Customers say: True professional

"Joe and Marco did an amazing job! Great pricing, excellent communication, and outstanding customer service. They were professional, efficient, and did quality plumbing work. Highly recommend them!"
15 neighbors recently requested a quote
Recommended by55%of homeowners
Avatar for Waterworx Plumbing
Waterworx Plumbing
4.8(
99
)
Faucets, Fixtures and Pipes - Repair or ReplaceFaucets, Fixtures and Pipes - Repair or Replace - For BusinessGas Piping+3 more

Serving Derby, CO and surrounding areas

Approved

In business since 2016

Free estimates

Emergency services offered

Waterworx Plumbing is a fully licensed and insured plumbing company with over 25 years of experience. We offer flat rate fees for small routine jobs but in most cases we charge a $92 trip charge and a $92 one hour minimum. An estimate is always free and provided up-front. Our technicians not paid on commission and are always on time!. We provide excellent service to all of our customers whether you're a first-time or a lifelong customer! We value your time as well as ours and strive to complete each job in that fastest time possible while maintaining the highest quality work!

2 neighbors recently requested a quote
Recommended by83%of homeowners
Avatar for Rooter Guy, LLC
Rooter Guy, LLC
4.6(
3,130
)
Faucets, Fixtures and Pipes - Repair or ReplaceWater Heater - Install or ReplaceDrain Clog or Blockage - Clear+20 more

Serving Derby, CO and surrounding areas

Approved

Super Service Award Winner

In business since 1995

Free estimates

Emergency services offered

"Gary, the master plumber who came to our home and gave us an estimate and did the repair work was personable, friendly, professional, and very thorough. He was the main reason we went with Rooter Guy. They were the most expensive of the quotes we received ( we had 4 estimates). The solutions Gary provided were the least intrusive to our plumbing disaster. The work they completed is wonderful and we feel very confident the repair will last for a very long time! The day of the repair job they communicated well and cleaned up everything perfectly. I could not be happier with the work - just wished the job was a little less pricey. We have kept Gary's card and will call again for major plumbing jobs in the future."
sewer cleaning
1349 neighbors recently requested a quote
Recommended by91%of homeowners
Avatar for Afford-A-Rooter
Afford-A-Rooter
4.4(
138
)
Drain Clog or Blockage - ClearDrain Line Breakage - Camera LocateDrain Line Breakage - Camera Locate - For Business+6 more

Serving Derby, CO and surrounding areas

Approved

In business since 2003

Free estimates

Emergency services offered

"Think again if you think that these guys only do excellent drain cleaning, they also provide top notch plumbing services as well. Rocky, our plumber at Afford A Rooter, was dispatched out the day after I called. He arrived promptly, got down to business, and kept to the estimate. We no longer have the old cast iron nightmare that required constant rubbing of the white enamel, but we have instead a modern stainless steel beauty. Rocky was friendly and despite what to me seemed like a job with some technical challenges, got it done in no time and left the area spotless."
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+7

Response time5 days
Response rate100%
2 neighbors recently requested a quote
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Plumbing FAQs, answered by experts

You can adjust your water pressure using the water pressure regulator, which is a valve that's usually located near your water main valve. Opening and closing that valve dictates how much water pressure your house receives. You can also potentially increase your water pressure by purchasing a water pressure booster and hiring a pro to install it for you. 

Start by pouring hot—but not boiling—water down the drain. The heat of the water may be enough to break down the clog. You can also try ½ cup of dish soap or 1 cup each of white vinegar and baking soda. If you choose a chemical unclogging product, ensure it’s appropriate for toilets to avoid damage.

A high pitch noise after flushing is likely caused by the fill valve being clogged with debris. You can repair this and eliminate the noise by removing the fill valve from the tank, and then cleaning the valve screen. Place the clean fill valve back in the tank and flush as normal.

The most common situation in which you should turn off the main water shut-off valve is if there’s a leak in your home, such as in the kitchen or bathroom. Turning off the water supply can prevent further water damage.

You may want to turn off the valve before leaving for an extended period, in case of leaks or pipe bursts while you’re gone. If you’re going to work on plumbing fixtures or appliances, it’s also a good idea to shut off the main valve to ensure no water flow during repairs or installation.

Yes, you can technically use a utility knife or straight blade to cut through PEX pipe. However, this isn't an ideal method simply because you won't get the same clean cut that you'll get with a pipe cutter. A utility knife will likely create angles that weaken your push connections. If you use a utility knife, score the pipe with the knife along your marked line several times before making your final cut.

The Derby, CO homeowners’ guide to plumbing services

From average costs to expert advice, get all the answers you need to get your job done.