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

Avatar for Wallace Plumbing
Wallace Plumbing
5.0(
22
)
Water Main - Install, Replace or Repair

Serving Hanover, MD and surrounding areas

Approved

Super Service Award Winner

In business since 2023

Free estimates

Emergency services offered

"Well let me start by saying I called several water heater companies to inquire about an estimate for my hot water heater that was not getting real hot. He was the ONLY repair person to come out that gave me the feeling he was trying to fix my hot water heater and not trying to sale me a new hot water. I never had a hot water heater water heater issue before therefore i was not familar with pontential problems. Everbody tried to get me to buy something called elements without actually trying to fix my heater. Wallace plumbing was able to identify some pressure thing or something with the thermostat that he fixed and saved me pontially thousands of dollars that other companies tried to sales pitch me. I then called Wallace plumbing because my toliet kept running and Wallace came out and fixed my toliet in minutes and his prices are very affordable. I will be using Wallace plumbing for any future needs and I recommend them!"
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+14

Response time9 hrs
Response rate100%
Recommended by95%of homeowners
Avatar for Mahon Plumbing
Mahon Plumbing
4.6(
199
)
Water Main - Install, Replace or Repair

Serving Hanover, MD and surrounding areas

Approved

In business since 1994

Emergency services offered

Warranties offered

"It went amazing. Paid the extra bucks for emergency service, because of our smallish waterfall, looking leak, sprouting from a bathroom pipe, enough to puddle water onto our basement/laundry room floor. Initially, spoke to Chris, who was pleasant and upfront with the per hour fees, for emergency services. He sent us Tim, who was hesitant at first, due to the location of the leak, but his experience and knowledge, enabled him to decipher the location of our leak and fix it. A quick trip to Lowes, where he promptly returned and in 90 minutes, the job was done. A week later and the valve is bone dry. Yay!!!"
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 Remedy Plumbing and Drain Cleaning
Remedy Plumbing and Drain Cleaning
4.8(
78
)
Water Main - Install, Replace or Repair

Serving Hanover, 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."
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10 neighbors recently requested a quote
Recommended by76%of homeowners
Avatar for Mr. Rooter of Maryland
Mr. Rooter of Maryland
4.3(
1,102
)
Water Main - Install, Replace or Repair

Serving Hanover, MD and surrounding areas

Approved

In business since 1968

Free estimates

Emergency services offered

"Mr. Rooter came out to perform the replacement of a main water line inside that has been leakkng. The technician's team were professional as they setup and prepared to perform the work inside as well as cleaned and removed debris from the construction."
Mr. Rooter of Baltimore fleet
Response time50 mins
17 neighbors recently requested a quote
Recommended by83%of homeowners
Avatar for Prime Plumbing, LLC
Prime Plumbing, LLC
4.4(
44
)
Water Main - Install, Replace or Repair

Serving Hanover, 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
235 neighbors recently requested a quote
Recommended by20%of homeowners
Avatar for Pohlman Plumbing Inc
Pohlman Plumbing Inc
4.4(
42
)
Water Main - Install, Replace or Repair

Serving Hanover, MD and surrounding areas

Approved

In business since 2008

Free estimates

Emergency services offered

"The plumber that came out was professional and knowledgeable. Talk me through the process before starting and after installation cleaned up well, then tested everything to make sure there was no leaks in the system."
Finished Shower
Finished Shower
Panoramic View
Vanity
Mid-replacement

+10

Response time8 hrs
Response rate97%
Recommended by86%of homeowners
Avatar for Douglas & Son Services
Douglas & Son Services
4.6(
24
)
Water Main - Install, Replace or Repair

Serving Hanover, 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."
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+6

Response time11 hrs
Response rate100%
1 neighbors recently requested a quote
Around the Clock Plumbing & Heating Inc
5.0(
1
)
Water Main - Install, Replace or Repair

Serving Hanover, MD and surrounding areas

Approved

In business since 1997

Free estimates

Credit card accepted

We are committed to excellence in every aspect of our \nbusiness. We uphold a standard of integrity bound by fairness, honesty, \nand personal responsibility. Our distinction is the quality of service \nwe bring to our customers. Accurate knowledge of \nour trade combined with ability is what makes us true professionals. \nAbove all, we are watchful of our customers' interests and make their \nconcerns the basis of our business.

Response time6 hrs
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FAQs for water main install, replace or repair projects in Hanover, 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 Hanover, 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.