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

Avatar for H L Bowman
H L Bowman
4.6(
429
)
Water Main - Install, Replace or Repair

Serving Riverside, CT and surrounding areas

Approved (Corporate)

In business since 1946

Free estimates

Emergency services offered

"Great experience Justin, Nate & Timothy were awesome. Very knowledgeable, professional & curious. Aside from the cleanliness they delivered an experience. I highly recommend HL bowman if you want rapid service on your HVAC. Pricing was reasonable in my opinion & financing is an option. Keep in mind when seeking quotes for your HVAC repair/ new install you must consider performance over equipment, that is if your want a good system that will have a good run/life span."
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+6

485 neighbors recently requested a quote
Recommended by86%of homeowners
Avatar for Cassidy Plumbing and Heating, Inc
Cassidy Plumbing and Heating, Inc
4.5(
31
)
Water Main - Install, Replace or Repair

Serving Riverside, CT and surrounding areas

Approved

Super Service Award Winner

In business since 1992

Emergency services offered

Warranties offered

"Anji recommended four plumbers. Cassidy was the first to respond on Friday afternoon. One other plumber responded but I could not understand his heavy accent, and he asked me if I wanted him to replace the whole burner assembly. That made no sense to me and I questioned him about it. Suddenly he became "too busy" and hung up the phone. Another plumber didn't respond until Monday morning. Too late. The fourth plumber never responded at all. Cassidy asked if it was an emergency or could wait until Monday. I said Monday. and asked what time? I did not get an answer on Friday. Around 8:30P I called and got an answering service which told me that I wouldn't get a response until Monday because their office closed at 8:00P. I had asked about what time on Monday before 6:00P George arrived Monday morning. He was friendly. He knew what he was doing. He replaced the thermocouple. All work was done neatly and professionally. We have hot water again. I'd use Cassidy again."
Heating System
Heating System
Plumbing
The Team
Navien Water Heater

+3

Response time2 days
Response rate100%
8 neighbors recently requested a quote
Avatar for First String Plumbing, Heating & Cooling
First String Plumbing, Heating & Cooling
5.0(
10
)
Water Main - Install, Replace or Repair

Serving Riverside, CT and surrounding areas

Approved

In business since 1983

Free estimates

Emergency services offered

First String Plumbing, Heating & Cooling is built on over four decades of hands-on, master-level experience paired with modern equipment, straightforward pricing and a commitment to serving our neighbors near and far.\n\nWe believe every homeowner in Connecticut and New York deserves a team they can count on whenever they need help. When the lights are at their brightest and all eyes are on us, we will always do what is right and that commitment never fades.

Tankless Water Heater
Water Pipe Repair
Water Pipe Repair
Water Heater Install
15 neighbors recently requested a quote
Avatar for L.C. Schede & Sons, Inc.
L.C. Schede & Sons, Inc.
4.0(
294
)
Water Main - Install, Replace or Repair

Serving Riverside, CT and surrounding areas

Approved

In business since 1922

Free estimates

Emergency services offered

"Lou provided the most competitive quote. His team installed the brand and model I wanted and they did it the next available business date. Work seems exemplory."
 $100,000 Kitchen
Master Bath/Spa
Children's Bath
Guest Bath
Response time6 hrs
16 neighbors recently requested a quote
Recommended by88%of homeowners
Avatar for Katonah Construction Co., Inc.
Katonah Construction Co., Inc.
4.1(
9
)
Water Main - Install, Replace or Repair

Serving Riverside, CT and surrounding areas

Approved

In business since 1970

Free estimates

Emergency services offered

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

Graded off the site
Loam spread, raked seeded and hay
Foundation install
Trench & Setting the tank
Lawn maintenance

+2

Response time2 days
11 neighbors recently requested a quote
Recommended by85%of homeowners
P.D.Q. Plumbing & Heating, LLC
4.6(
68
)
Water Main - Install, Replace or Repair

Serving Riverside, CT and surrounding areas

In business since 1988

Free estimates

Emergency services offered

"I am very happy that I chose to go with P.D.Q Plumbing to replace my oil burning boiler. The owner is very friendly, knowledgeable, honest and fair. His crew was very professional and neat. I can't say enough about the job they did and would absolutely refer them to anyone. I will definetly use them again for any future plumbing needs. Kind Regards."
 Priceline Building
 Priceline Building
 Going up
Working up high
Recommended by100%of homeowners
Avatar for Rapid Repairs - Plumbing and Handyman
Rapid Repairs - Plumbing and Handyman
4.4(
53
)
Water Main - Install, Replace or Repair

Serving Riverside, CT and surrounding areas

In business since 2012

Emergency services offered

"While looking for a plumber to inspect and replace a leaking water heater, I found Rapid Repairs.  I called the number, and was directed to send a text message if I needed a emergent response.  After only a few minutes, I got a response in a text message addressing my issue.  They were professional and answered my questions as best he could without being at my house.  I even got estimates based on my answers.  The only reason I did not utilize their service was that I needed hot water immediately, and they were already on multiple service calls, meaning the earliest they could come out would be Monday.  
I would definitely use them in the future, I was very happy with the response and appreciated that he was polite and understood that I couldn't wait for them to become available.
"
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+2

Recommended by88%of homeowners
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FAQs for water main install, replace or repair projects in Riverside, 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 Riverside, 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.