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TRUSTED BY DERBY, NY HOMEOWNERS

  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon363
    Verified plumbing services reviews

Top-Rated Plumbers in Derby - Updated Nov 2026

Avatar for Roy's Plumbing, Heating, Cooling & Electrical
Roy's Plumbing, Heating, Cooling & Electrical
4.4(
509
)
Drain Clog or Blockage - ClearDrain Line Breakage - Camera LocateFaucets, Fixtures and Pipes - Repair or Replace+10 more

Serving Derby, NY and surrounding areas

Approved

In business since 1974

Free estimates

Emergency services offered

"Tim the plumber on the job was on time and very professional.  He looked at the problem (roots blocking the storm drain) and spent several hours drilling out a clear waterway to the main line in the street.  He indicated that a more thorough cleaning through power blasting would be necessary to get it running through a larger opening and that the roots of the tree in the front of the house may have disrupted the clay pipes.  We scheduled the power cleaning for the following week.  He offered discounts with the purchase of a protection plan which reduces the service call charges and provides additional discounts on work in the future and since I just bought the house and know I have more jobs that will need to be done in the next year I took advantage of the deal.
"
Additional Photos
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+2

Response time12 hrs
Recommended by89%of homeowners
Avatar for Frank's Mr. Plumber
Frank's Mr. Plumber
5.0(
8
)
Faucets, Fixtures and Pipes - Repair or ReplaceDrain Clog or Blockage - ClearGas Piping+8 more

Serving Derby, NY and surrounding areas

Approved (Corporate)

In business since 1985

Free estimates

Credit card accepted

You can always count on Frank's Mr. Plumber to get the job done right the first time. \n \nWe offer 24/7 service to our valued customers, including holidays and weekends, because we believe you deserve to live in comfort at all times. Please let us know how we can assist you with your plumbing needs.

Pipe Fitting
Washer & Dryer
Our Plumber, Leo!
Washer & Dryer
Toilet Clog

+7

372 neighbors recently requested a quote
Avatar for Bath Planet of Buffalo
Bath Planet of Buffalo
4.6(
131
)
Shower Install or ReplaceBathtub Install or Replace

Serving Derby, NY and surrounding areas

Approved (Corporate)

In business since 2023

Free estimates

Warranties offered

"Bath Planet came out and remodeled my Bathroom Shower, they were professional, and they did this with in 4 hours, they cleaned up after themselves. We had odd shaped walls but they handled this professionally. Mike the installer was professional, but he did a quality job, he also run into a little plumbing problems, so I had to get my own plumber there to help them out, otherwise everything was good. I am happy so far, it is been 2 weeks of using my new shower and so far so good, very easy cleanup, just wipe down which I Love!!"
21 neighbors recently requested a quote
Recommended by84%of homeowners
Avatar for T-Mark Plumbing, Heating, Cooling & Electric
T-Mark Plumbing, Heating, Cooling & Electric
4.5(
650
)
Drain Clog or Blockage - ClearDrain Clog or Blockage - Clear - For BusinessDrain Line Breakage - Camera Locate+20 more

Serving Derby, NY and surrounding areas

Approved (Corporate)

In business since 1992

Free estimates

Emergency services offered

"Previous occupants of the house were flushing anything and everything down the pipes. A broken riser was the result from 4 failed attempts at snaking done by other plumbers, whom I do not wish to shame. I finally called the right guys, with the right tools and knowledge to take care of the problem once and for all. They were efficient and very professional. They thanked me for allowing them to do my plumbing even. Just call them and skip the giant headache. Their prices are fair and completely justified. Or call to book a quote! Thank me later."
Boiler Installed
2 Boilers Installed
Additional Photos
Additional Photos
Additional Photos

+10

Response time1 day
Response rate100%
5 neighbors recently requested a quote
Avatar for Everdry Waterproofing of Upstate New York
Everdry Waterproofing of Upstate New York
4.6(
617
)
Sump Pump or Interior Foundation Drains - Install

Serving Derby, NY and surrounding areas

Approved

Super Service Award Winner

In business since 1992

Free estimates

Warranties offered

"The company did the work 4 years ago and it has gone well. We have a very wet basement and the problem 99% gone and when a minor issue pops up they are very responsive and fix the issue. They had to come out twice last week and showed up the day I called. The first time they fixed a switch on a back up sump pump and the second time was to fix and issue cause by another plumber. Josh, who came to our home, was a great help."
Trucks
Response time2 days
2 neighbors recently requested a quote
Recommended by83%of homeowners
Avatar for Bath Fitter
Bath Fitter
4.2(
88
)
Shower Install or ReplaceBathtub Install or ReplaceBathtub Install or Replace - For Business+1 more

Serving Derby, NY and surrounding areas

Approved

In business since 2000

Free estimates

Warranties offered

"The project involved plumbing and carpentry. They removed the old shower and built up to fit the new shower. FANTASTIC SKILLS! They had everything they needed, were friendly, efficient, and neat. This is my 2nd install with BathFitters and I cannot recommend them enough! If I had another bath, I'd hire them again ;-)"
Before Photo
After Photo!
After Photos
After Photos
After Photos

+942

Response time4 hrs
69 neighbors recently requested a quote
Recommended by94%of homeowners
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Plumbing FAQs, answered by experts

Most gas stoves either have a shutoff valve inside the oven drawer compartment or behind the stove wall. Cooktop shutoff valves are usually inside the base cabinet, and wall ovens usually have a shutoff valve in the cabinet below or next to the unit. Construction regulations require installing a shutoff valve within six feet of the appliance. So, if you can’t find the valve on the appliance, look around the connecting gas pipes within the six-foot radius.

The diverter valve in your bathtub is responsible for diverting water between your tub spout and your shower head. If water comes out of both at the same time, you have a faulty diverter valve. You can have a plumber replace this for you, or you can replace it yourself if you have some experience working with plumbing fixtures.

You should flush your water heater at least once a year, with some experts recommending a schedule of every six to 12 months (e.g., once in the spring and fall). The ideal frequency depends on several factors.

If your area has hard water with high mineral concentrations, you should flush the heater more often—typically every four to six months. Additionally, a water heater that is used frequently may require more frequent flushing than one that is used less often.

Regular flushing is important because it removes sediment buildup from the bottom of the tank. This maintenance helps improve the heater's efficiency, extend its lifespan, and prevent issues like clogs, overheating, and increased energy consumption. You can either learn to perform this task yourself or arrange for a service plan with a professional plumber.

The P-trap is an essential part of the shower drain and is installed directly below it. It mainly functions as a barrier, preventing sewer gases and their odors from seeping into your bathroom. It also helps catch clogs so they don’t end up deeper in your home’s plumbing, where they’re more difficult to remove.

A clawfoot tub's water supply lines and drain pipe are visible above the floor. When the water leaves the bath, it enters the drain pipe, which leads under the floor, before connecting to the main drain pipe leading to the sewer system or septic tank. Some modern clawfoot tubs also feature an overflow hole and pipe to prevent the bath water from spilling out if you overfill it.

The Derby, NY homeowners’ guide to plumbing services

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