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Top-Rated Water main install, replace or repairers in Upper Marlboro - Updated Nov 2026

Avatar for The Waterline Group, LLC
The Waterline Group, LLC
4.5(
428
)
Water Main - Install, Replace or Repair

Serving Upper Marlboro, MD and surrounding areas

Approved

Super Service Award Winner

In business since 2015

Free estimates

Credit card accepted

"Had a leak in main water line. Collected estimates and methods in replacing the water line. I am glad I found The Water Line Group on the web in researching best methods to replace house main water line. After calling The Water Line Group, Geary came the same day to review best method to replace the main water line. What I liked about his estimate it included two methods with no extra cost and very reasonable compared to other estimates. Work schedule was set up less than a week. I was impressed by the crew led my Jamie. They successfully did the trenchless method from the original connection to the water meter with no disturbance to house,front porch, tree, scrubs and driveway. They have the pull water pipe method down to a high success rate. I highly recommend The Water Line Group."
Response time5 hrs
Recommended by90%of homeowners
Avatar for Remedy Plumbing and Drain Cleaning
Remedy Plumbing and Drain Cleaning
4.8(
78
)
Water Main - Install, Replace or Repair

Serving Upper Marlboro, MD and surrounding areas

Approved

In business since 2007

Free estimates

Emergency services offered

"Mr. Rema arrived on time Sunday morning to update my water heater. He installed an expansion tank, duct work and replacing the piping to the thermostat on the water heater. He did an excellent job and took his time. Mr. Rema also went to the local hardware store twice to pick up the material that was needed. The only reason I didn't give him an A was because he quoted me a price at the beginning and then went done on the price and then tried to go back up to the original quoted price. After talking with him he decided to keep the price at the lower amount that he quoted."
Additional Photos
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8 neighbors recently requested a quote
Recommended by76%of homeowners
Avatar for DAY & NIGHT PLUMBER LLC
DAY & NIGHT PLUMBER LLC
4.8(
93
)
Water Main - Install, Replace or Repair

Serving Upper Marlboro, MD and surrounding areas

Approved

In business since 2020

Free estimates

Emergency services offered

"Called the main number and the lady I spoke with was very pleasant and easy to work with. Was looking to have a 50 gallon hot water heater installed, 2 drains snaked and a new faucet installed. She booked my appt for the next day. Zam came to the house to provide us the quote and even offered to do half the job then and come back in a few days to do the hot water heater. He was incredibly professional and did a great job on all the work. I highly recommend them and will call them again."
Additional Photos
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+1

Response time11 hrs
5 neighbors recently requested a quote
Recommended by97%of homeowners
Avatar for Roto-Rooter Plumbing & Water Cleanup - Baltimore
Roto-Rooter Plumbing & Water Cleanup - Baltimore
4.2(
662
)
Water Main - Install, Replace or Repair

Serving Upper Marlboro, MD and surrounding areas

Approved (Corporate)

In business since 1935

Free estimates

Emergency services offered

When you need an emergency plumber in Baltimore, MD or a drain cleaner, call Roto-Rooter Plumbing & Water Cleanup. Your fast & reliable plumber can fix any plumbing problem, including sump pumps, toilet repair, faucet repair, faucet replacement, garbage disposals, water heaters, bathtubs, showers, and outside faucets. Roto-Rooter is best known for drain cleaning & sewer cleaning. We fix drain clogs, clogged toilets or sinks, blockage of main sewer lines, slow draining shower and bathtub drains, sewer lines and leaking or burst pipes. We also specialize in water damage restoration & water cleanup services. We can fix and clean up your flooded basement too. Roto-Rooter is a 24-hour plumber near you and provides emergency service.

Roto Rooter- Baltimore
Roto Rooter- Baltimore
Roto Rooter- Baltimore
Roto Rooter- Baltimore
Roto Rooter- Baltimore

+6

Recommended by80%of homeowners
Avatar for Prime Plumbing, LLC
Prime Plumbing, LLC
4.4(
42
)
Water Main - Install, Replace or Repair

Serving Upper Marlboro, MD and surrounding areas

Approved

Super Service Award Winner

In business since 2012

Small jobs welcome

Credit card accepted

"We’ve been a customer of Prime Plumbing since they first opened their doors …..they have always delivered prompt , professional and reliable service , 7 days a week . Whether it’s replacing a hot water heater or updating a bathroom, we’ve relied on Prime to keep our buildings up and running and our customers happy !"
Septic Pumping
Hydrant Removal
Failed Hydrant
Response time3 hrs
233 neighbors recently requested a quote
Recommended by21%of homeowners
Avatar for Douglas & Son Services
Douglas & Son Services
4.6(
24
)
Water Main - Install, Replace or Repair

Serving Upper Marlboro, MD and surrounding areas

Approved

In business since 2018

Free estimates

Emergency services offered

"We had been having an ongoing leak coming through our ceiling that noone could seem to fix or truly take the time to locate and fix the problem but when Homeserve finally sent this plumbing company out it was a totally different experience, Connor and the other young man called ahead, arrived promptly and did a thorough job! They found the problem, fixed it, even repaired some unfinished issues the previous plumber left behind and thoroughly cleaned up behind themselves. They were professional and polite and I have nothing but positive to say about this company."
Additional Photos
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+6

Response time11 hrs
Response rate100%
1 neighbors recently requested a quote
Avatar for Mid-Atlantic Trenchless
Mid-Atlantic Trenchless
4.0(
223
)
Water Main - Install, Replace or Repair

Serving Upper Marlboro, MD and surrounding areas

Approved

In business since 2015

Free estimates

Credit card accepted

"From start to finish we were happy with the owner Doug and his crew. They took care of my home and property. Excellent customer service, and skilled technicians. They delivered what was promised without any stress to us. The excavation in the front yard and in the basement was clean and well finished. They took their time and did an excellent job. I will definitely recommend Mid-Atlantic Trenchless to my friends and family!"
At Work
At Work
Trenchless Work
Trenchless Work
Trenchless Work

+6

Response time1 day
Response rate89%
3 neighbors recently requested a quote
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FAQs for water main install, replace or repair projects in Upper Marlboro, MD

Most standard homeowners' policies don’t cover water main line replacement costs because this project is considered wear and tear, not sudden damage. Check your declarations page for exclusions and talk with your agent about add-on service-line coverage if you want help footing the bill for your water main line replacement costs.

Yes—hire a licensed plumber any time the job taps into a city-owned line or local codes. Professional plumbers carry the right permits, tools, and insurance, and they know how to avoid costly mistakes that could flood your yard or trigger fines. Pros can also provide expert recommendations on the type of system and materials that will work best for your situation, and they can guide you on best practices for ongoing maintenance.

The Upper Marlboro, MD homeowners’ guide to water main install, replace or repairs

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