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

Avatar for M & M Construction LLC
M & M Construction LLC
4.6(
76
)
Water Main - Install, Replace or Repair

Serving Washington, CT and surrounding areas

In business since 1965

Free estimates

Credit card accepted

"We did some ourselves and we hired another contractor who was so detailed and spent lots of time at the estimate seeing what the actual problem was. He found the problem and proposed a solution which was NOT what M+M suggested or, proposed.
"
Blue stone 1
Blue stone 2
Retaining Wall (Before)
Retaining Wall (After)
Channel Drain

+26

Recommended by93%of homeowners
Avatar for EASTERN WATER SOLUTIONS
EASTERN WATER SOLUTIONS
4.6(
12
)
Water Main - Install, Replace or Repair

Serving Washington, CT and surrounding areas

In business since 1966

Emergency services offered

Credit card accepted

"Tony and his crew saved us! Tony returned my call for consultation and repair need and came with his crew in a timely manner. They diagnosed the problem carefully and ordered the pump we needed and replaced the damaged one before the Christmas holiday. We were very grateful and really appreciated their professional manner at all times and their much needed experience. I highly recommend this company to anyone!"
Recommended by91%of homeowners
Avatar for Team Sewer Water & Septic
Team Sewer Water & Septic
4.3(
62
)
Water Main - Install, Replace or Repair

Serving Washington, CT and surrounding areas

In business since 2008

Free estimates

Credit card accepted

"I hired Pete and his team to find and repair my sewer backup. The company worked very hard in pouring rain never giving up until they solved my problem and replaced my sewer drain. I highly recommend Pete and his workers."
new sewer installation
equipment
water fixed
new sewer installation
equipment

+92

Response time1 day
Recommended by92%of homeowners
Avatar for Pacific Stone & Tile
Pacific Stone & Tile
4.6(
321
)
Water Main - Install, Replace or Repair

Serving Washington, CT and surrounding areas

In business since 2007

Free estimates

Credit card accepted

"Very pleased with the job that was done. Only critique would be a slight gap between the backsplash and wall, which had I noticed sooner I am sure they could have corrected with caulk or pushing backsplash closer. It is hardly noticeable. Everybody that I dealt with was extremely friendly. I am very happy with the counter top."
boston job
boston job
w boyston job
Albany ny
marlboro ma

+3

Recommended by91%of homeowners
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FAQs for water main install, replace or repair projects in Washington, CT

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 Washington, CT 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.