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Top-Rated Water heater repair or service pros in Ellicott City - Updated Nov 2026

Avatar for Modern Plumbing Systems, LLC
Modern Plumbing Systems, LLC
4.8(
524
)
Water Heater - Repair or Service

Serving Ellicott City, MD and surrounding areas

Approved

Super Service Award Winner

In business since 2005

Free estimates

Emergency services offered

"If you need plumbing done or a new water heater, look no further- Brian (the owner) and his crew are top-notch, honest, and professional. As first time homeowners, my wife and I had a lot of questions and Brian walked us through everything. He is extremely responsive and fair in his pricing, and the team he sent out to replace our water heater and a couple of valves (Joseph and Sam) were friendly, efficient, and professional. I will 100% be contacting Brian again for any future plumbing needs. A+ service and communication!!"
 Dirty Jobs
 We repair underground plumbing
 We install every kind of sink and faucet
 Modern Plumbing Systems on the scene
 Under Ground Plumbing

+15

Response time3 hrs
Response rate100%
5 neighbors recently requested a quote
Avatar for Quick Service Plumbing Heating & Drain Cleaning
Quick Service Plumbing Heating & Drain Cleaning
4.9(
255
)
Water Heater - Repair or Service

Serving Ellicott City, MD and surrounding areas

Approved

Super Service Award Winner

In business since 2008

Free estimates

Small jobs welcome

"Andy and his helper were INCREDIBLY respectful, punctual, and competent. Andy showed me what was wrong with my leaking shower head before/after repair and stepped me through the whole process. The total cost was cheaper compared to other plumbers and he took the time to show me how I could prevent other water damage in my shower stall. He made sure everything was cleaned up afterwards. More importantly, he was very nice and easy to work with. I highly recommend his services for any plumbing repairs."
Response time1 hour
Response rate96%
94 neighbors recently requested a quote
Avatar for Aqueduct Plumbing Services
Aqueduct Plumbing Services
5.0(
36
)
Water Heater - Repair or Service

Serving Ellicott City, MD and surrounding areas

Approved

In business since 2021

Free estimates

Emergency services offered

"Very helpful on the phone and was able to come make repair in the next day. Called when he was on his way and arrived on time. Made a quick repair, cleaned up afterwards. Very happy with customer service and repair!"
Navien Tankless Water Heater with Scale Filter
Moen Pulldown Kitchrn Faucet, Garbage Disposal, & Continuous Waste Drain
Steeped Tea Cafe - Multiple Tasks
PVC Closet Flange Replacement
Moen MotionSense Kitchen Faucet

+19

Recommended by54%of homeowners
Avatar for Supreme Service Today
Supreme Service Today
4.4(
479
)
Water Heater - Repair or Service

Serving Ellicott City, MD and surrounding areas

Approved

In business since 2004

Free estimates

Credit card accepted

"They were up front with what is wrong. Provided explanation of the quote. Asked permission to get access to places. They explain the reasoning for the cost and the risks if ignored. Pricing was fair. Went above an beyond to solve the water heater issue we had. Even calling in an electrician to help with a fix. They were on-time to early on their scheduled appointments. Excellent customer service."
Response time9 hrs
Response rate100%
80 neighbors recently requested a quote
Avatar for Water Field, LLC
Water Field, LLC
4.8(
133
)
Water Heater - Repair or Service

Serving Ellicott City, MD and surrounding areas

Approved

In business since 2014

Emergency services offered

Warranties offered

"Finally! When friends ask if I know of a reliable, honest, plumber at reasonable cost, I have found one to give as a referral in Water Field, LLC. Tes arrived on-time and assessed what was needed to correct my pipe leak problem in short order. While waiting for his repair work on the leaky pipe to cool, Tes offered to check all the other fixtures in my home to ensure everything was in order. When I mentioned one of my toilets was not properly anchored to the floor, an annoyance to me for quite some time, he fixed it at minimal cost. Water Field, LLC is now officially my go-to plumber. Bill Adams Windsor Mill, Maryland"
Internal Excavation
Sewer line extention
Gas water heater
Gas water heater
Sewer line replacement

+4

Response time20 mins
Recommended by99%of homeowners
Avatar for DAY & NIGHT PLUMBER LLC
DAY & NIGHT PLUMBER LLC
4.8(
93
)
Water Heater - Repair or Service

Serving Ellicott City, MD and surrounding areas

Approved

In business since 2020

Free estimates

Emergency services offered

"We needed a water heater replacement due to a leak in our existing unit. The company came out promptly after our phone call, provided an estimate, and came back first thing the next morning with a new water heater to install. The owner and staff were patient in answering any questions that we had and did an amazing job cleaning up after they were finished with installation. They went above and beyond to ensure that we were very satisfied with their service. They never made us feel as if they were rushing to complete the job. We would highly recommend them!"
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+1

Response time11 hrs
5 neighbors recently requested a quote
Recommended by97%of homeowners
Avatar for Mr. Rooter of Maryland
Mr. Rooter of Maryland
4.3(
1,100
)
Water Heater - Repair or Service

Serving Ellicott City, MD and surrounding areas

Approved

In business since 1968

Free estimates

Emergency services offered

"A1 Tech Stephen Loyd with Mr. Rooter Plumbing provided excellent service in removing the old water heater and installing the new water heater. He was professional and provided awesome customer service. Well done!"
Mr. Rooter of Baltimore fleet
Response time50 mins
17 neighbors recently requested a quote
Recommended by83%of homeowners
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FAQs for water heater repair or service projects in Ellicott City, MD

Warning signs include fluctuating water temperatures, a pilot light that repeatedly goes out, unusual noises from the tank, or complete heating failure. You might also detect a rotten egg smell, indicating a potential gas leak, or notice water that never reaches the proper temperature. If your water heater is over eight years old and displaying these symptoms, the gas valve is a likely culprit. Professional inspection is recommended, especially if gas odors are present.

Water heater gas valves are not universally interchangeable. Each valve must match your specific water heater's make, model, and specifications. Important compatibility factors include gas type (natural gas vs. propane), BTU rating, connection types, and physical dimensions. Using an incorrect valve can result in poor performance, premature failure, or dangerous gas leaks. Always consult your water heater's documentation or a professional plumber to identify the appropriate replacement valve for your unit.

The Ellicott City, MD homeowners’ guide to water heater repair or services

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