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TRUSTED BY FREDERICK, MD HOMEOWNERS

  • Average homeowner rating star icon4.7
    Average homeowner rating
  • Verified reviews icon1.7k+
    Verified plumbing services reviews

Top-Rated Plumbers in Frederick - Updated Nov 2026

Avatar for Mahon Plumbing
Mahon Plumbing
4.6(
199
)
Drain Clog or Blockage - ClearDrain Clog or Blockage - Clear - For BusinessDrain Line Breakage - Camera Locate+17 more

Serving Frederick, MD and surrounding areas

Approved

In business since 1994

Emergency services offered

Warranties offered

"I had a plumbing issue that I thought would turn into a major headache, but Mahon Plumbing made the whole process smooth and stress-free. They arrived on time, quickly diagnosed the problem, and had it fixed before I could even make a second cup of coffee. They were professional, knowledgeable, and even gave me a few tips to avoid future issues. The pricing was fair, and there were no surprises on the bill—just great service from start to finish. If you need a plumber who knows what they’re doing and won’t leave you with a mess, I highly recommend Mahon Plumbing. I’ll definitely call them again for any future plumbing needs!"
Tankless water heater installation
Tankless Water Heater Installation
Commercial drain cleaning
Sewer Line Video Inspection
Water heater replacement

+30

Response time7 hrs
Response rate100%
Recommended by92%of homeowners
Avatar for Dave the Plumber, LLC
Dave the Plumber, LLC
4.2(
188
)
Faucets, Fixtures and Pipes - Repair or ReplaceDrain Clog or Blockage - ClearGas Piping+5 more

Serving Frederick, MD and surrounding areas

Approved

In business since 2000

Warranties offered

Small jobs welcome

"I hired a plumber through HomeAdvisor using prepay but I would not recommend this service. The contractor left a leaky pipe that caused water coming up through carpet. I had to purchase a wet vacuum to dry out the carpet. I had to contact HomeAdvisor again and hired Dave the Plumber, LLC who had to redo the installation done previously. Dave the Plumber replaced all the piping and outside spigot because of a water leak the previous contractor left. Thank you Dave the Plumber for being a professional and a job well done."
Our work
Our work
Our work
Our work
Our work

+11

Response time6 hrs
24 neighbors recently requested a quote
Recommended by80%of homeowners
Avatar for Jimmy Gusky Heating & Air LLC
Jimmy Gusky Heating & Air LLC
4.3(
374
)
Tankless Water Heater - InstallWater Heater - Install or ReplaceWater Heater - Repair or Service+5 more

Serving Frederick, MD and surrounding areas

Approved

In business since 1996

Emergency services offered

Credit card accepted

"When I used Jimmy Gusky's plumbing services 3 years ago, I was as pleased then as I am with this current job. He and his employees provide reliable service in a timely and professional manner. Hats off to James "The Plumber" and his assistant who performed my repairs."
Additional Photos
Additional Photos
Additional Photos
Response time9 hrs
4 neighbors recently requested a quote
Recommended by83%of homeowners
Avatar for Dun Rite Drain Cleaning
Dun Rite Drain Cleaning
4.6(
395
)
Drain Clog or Blockage - ClearSump Pump - Repair or ReplaceSewer Main - Clear

Serving Frederick, MD and surrounding areas

Approved

Super Service Award Winner

In business since 2008

Free estimates

Emergency services offered

"Sterling, the technician was able to assure me on the phone that he was the right person to alleviate my plumbing issue. I had two meetings with other plumbers regarding clearing my outside basement drain of impacted mud. He assured me that he had the needed equipment to unclog the drain. After being disappointed by both other plumbers, I took a chance and was very pleased with the outcome. Dun Rite, LLC (Sterling) was on time and delivered outstanding professional service."
Ihop shopping center
Ihop shopping center
Ihop shopping center
Ihop shopping center
Ihop shopping center

+20

Response time3 hrs
Response rate95%
8 neighbors recently requested a quote
Avatar for WaterStone Kitchen and Bath
WaterStone Kitchen and Bath
4.9(
46
)
Walk In Tub - Install or ReplaceBathtub Install or ReplaceBathtub Install or Replace - For Business+2 more

Serving Frederick, MD and surrounding areas

Approved

In business since 2005

Free estimates

Warranties offered

"Can not recommend WaterStone Kitchen and Bath highly enough! We are extremely satisfied with the quality of their work and recommendations. Jeff Thompson, the owner, is committed to making sure that you are satisfied. He worked through a number of difficult problems to make sure the end product is just what you want. The company is reliable, Jeff answers the phone immediately or gets back to you by the end of the day. WaterStone Kitchen and Bath is also very flexible, the design and extent of our project changed and was added onto several times and they took on the changes on board quickly. Jeff is also an excellent problem solver, he worked with our appliance company and the cabinet company to come up with a workable solution. Another advantage in working with WaterStone Kitchen and Bath is that you are only working with a single point of contact, Jeff has his own crews who do the speciality work. Again, if we have another project of this scale and scope, WaterStone Kitchen and Bath will be the first and only company we call."
McMillan Bathroom
Spriggs Kitchen
Brandenstein Bathroom
Reston Bathroom 1
Reston Bathroom 2

+12

Response time8 hrs
2 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for DreamMaker Bath & Kitchen
DreamMaker Bath & Kitchen
4.9(
32
)
Bathtub Install or ReplaceBathtub Install or Replace - For BusinessShower Install or Replace+2 more

Serving Frederick, MD and surrounding areas

Approved

In business since 1983

Warranties offered

Credit card accepted

DreamMaker Bath and Kitchen is your local remodeler specializing in Kitchen and bath renovations. We utilize a full service approach to everything you'll need to change your living space from ordinary to truly unique! Let our designer envision your new project and with our team of professional installers, we'll treat you to a distinctive remodeling experience. We're a class A builder with extensive experience in residential construction.\n\nWe offer a variety of options for every taste and budget. Whether you're looking for a complete pull and replace of your kitchen or to simply update your bathroom, allow us to serve you. Our sales and production teams are knowledgeable in all types of residential construction. Our staff is professional, friendly and helpful in guiding you to make the best decision for your project.\n\nLet DreamMaker Bath and Kitchen help make your remodeling dreams come true. Our distinctive full-service remodeling approach focuses on serving our clients from design through installation. With a dedication to superior craftsmanship and ethical excellence our specialists are committed to delivering a design that meets your specific needs. While communicating consistently throughout the entire process, you can feel secure that your project will be completed in the most efficient manner possible with minimal disruption to your life.\n\nAdditional DBA - Everett Enterprises LLC. Owned & operated.

Additional Photos
Additional Photos
Additional Photos
Before
After

+18

Response time2 days
Response rate100%
2 neighbors recently requested a quote
Avatar for Five Star Bath Solutions of Annapolis
Five Star Bath Solutions of Annapolis
5.0(
17
)
Shower Install or ReplaceBathtub Install or Replace

Serving Frederick, MD and surrounding areas

Approved

In business since 1996

Free estimates

Emergency services offered

"Five Star Bath Solutions did an amazing job on our master bathroom! Their customer service from beginning to end was top notch-- couldn't have asked for a better experience. My wife and I had tons of questions and from the salesman to the install manager, to Brittny in the office, to Steve the installer... they took the time to answer everything, and it was perfect. Our Master bathroom looks like our dream bathroom now. I highly recommend Five Star and will be using them again for our guest bath!"
Walk-in tub
Remodel
Bathtub
Shower
Shower

+16

Response time12 hrs
256 neighbors recently requested a quote
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Plumbing FAQs, answered by experts

In Frederick, a frequent mistake is starting plumbing projects without obtaining the required permits from Frederick County Division of Permits & Inspections. Using materials not approved by local plumbing codes or neglecting to insulate pipes against winter freezes are also common errors. Homeowners sometimes overlook the need for plumbing inspections or fail to consider well water systems prevalent in rural areas. Consulting local professionals and verifying requirements with the Maryland Board of Plumbing helps prevent costly setbacks.

Helpful?

In Frederick, most plumbing work—including water heater replacement, new fixture installation, or major repairs—requires a plumbing permit from the Frederick County Division of Permits & Inspections. Additionally, compliance with the Maryland State Plumbing Code is mandatory. Inspections are typically required at both rough-in and final stages. Always confirm current requirements with both Frederick County and the Maryland Board of Plumbing before starting any project to ensure full compliance.

Helpful?

For plumbing work in Frederick, PEX piping is favored for water lines due to its flexibility and resistance to freezing, which suits the local climate. For drain lines, PVC is commonly used and meets local plumbing codes. When selecting fixtures, prioritize WaterSense-labeled products to align with Frederick's water conservation standards. Local plumbing supply stores can offer region-specific materials that comply with Frederick County Division of Permits & Inspections guidelines.

Helpful?

Frederick's cold winters increase the risk of frozen or burst pipes, so insulating exposed plumbing and properly winterizing outdoor spigots is essential. High summer humidity can contribute to condensation on pipes, especially in basements. According to Frederick County Division of Permits & Inspections, scheduling major plumbing installations during milder weather can help avoid weather-related delays and ensure compliance with local plumbing inspection requirements.

Helpful?

In Frederick, homeowners often encounter unexpected costs related to plumbing permit fees and upgrades needed to meet the Maryland State Plumbing Code, especially in older properties. Accessing pipes behind finished walls or in crawl spaces can increase labor time. Additionally, plumbing inspections by Frederick County Division of Permits & Inspections may reveal code violations that require correction. Always set aside a contingency fund for unforeseen issues discovered during plumbing work.

Helpful?

The Frederick, MD homeowners’ guide to plumbing services

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