Top-rated water main install, replace or repairers.

Get matched with top water main install, replace or repairers in Port Jefferson, NY

Enter your zip and get matched with up to 3 pros

Matching on HomeAdvisor

Share some details icon
Share some details about your home project.
Match with local pros icon
Within moments, match with highly-rated local pros.
Compare quotes icon
Compare quotes and choose the best pro for the job.

Find Water main install, replace or repairers in Port Jefferson

Avatar for N. H. Ross, Inc.
N. H. Ross, Inc.
4.8(
163
)

Serving Port Jefferson, NY and surrounding areas

Approved

In business since 1976

Credit card accepted

Customers say: True professional

"Devin Was professional and helpful. NH Ross gave Up front cost so you know what your getting. I would call them again. Gave me an estimate on a water service replacement"
Tankless
13 neighbors recently requested a quote
Recommended by90%of homeowners
Avatar for Abstract Plumbing, Heating and A/C
Abstract Plumbing, Heating and A/C
4.8(
35
)

Serving Port Jefferson, NY and surrounding areas

Approved

In business since 2008

Free estimates

Emergency services offered

"Reliable, Professional, expeditious, courteous. Owner called me back and came immediately on a Saturday. identified the problem quickly (water detected water in pan. Reset sensor, cleared drain and removed water."
Response time3 hrs
6 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Varsity Home Service
Varsity Home Service
4.3(
84
)

Serving Port Jefferson, NY and surrounding areas

Approved

In business since 1962

Free estimates

Emergency services offered

"The removal of the old system and install of the new took less than a day. The crew was on time, polite, and cleaned up after themselves at the end."
Water Filtration Systems
Heating and Air Conditioning
Toilet, Faucet and Vanity
Water Heaters and Boilers
Water Filtration Systems

+73

Response time5 hrs
3 neighbors recently requested a quote
Recommended by82%of homeowners
Avatar for Mayjac Plumbing, Inc.
Mayjac Plumbing, Inc.
4.9(
13
)

Serving Port Jefferson, NY and surrounding areas

Approved

In business since 2015

Free estimates

Customers say: True professional

"Joe was able to correct the problem while I was away. It's hard to get reliable contractors on the east end of long island on the north fork. He replaced the parts with a better set up where I could remove parts of my oudoor sink for the winter. He took pictures of the final job and emailed them to me. Price was very reasonable. I'm very satisfied overall."
Before Installations
After installations
Whole House PVC Piping 7
Whole House PVC Piping 6
Whole House PVC Piping 5

+16

Response time10 hrs
Recommended by100%of homeowners
Avatar for NXT LEVEL CONTRACTING LLC
NXT LEVEL CONTRACTING LLC
5.0(
6
)

Serving Port Jefferson, NY and surrounding areas

Approved

Super Service Award Winner

In business since 2025

"I recently had a water main installed by Next Level Plumbing, and I couldn’t be happier with the experience. From the start, they offered me a great rate compared to other companies in the Suffolk area, but what really stood out was the service. They were super helpful, attentive, and made sure all my plumbing needs were met in a timely fashion. Unlike other companies I called, this didn’t feel like “just a job” to them—it felt personal. They took the time to explain everything, made the process stress-free, and gave me the sense that they truly cared about the work and my satisfaction. It honestly felt like a relationship was built, not just a transaction. I’ll be recommending Next Level Plumbing to anyone I know who needs plumbing work done. They really do live up to their name—next level service all around! "
Response time9 hrs
Response rate91%
2 neighbors recently requested a quote
FAQs for water main install, replace or repair projects in Port Jefferson, NY

If you notice puddles or standing water in your yard, a sudden drop in water pressure, cracks forming in your foundation, frequent clogs in your plumbing fixtures, or water that looks or smells unusual, you might have a leak in your main water line. These signs mean it's time to call a professional to evaluate the issue and prevent further damage.

A professional water main inspection is a comprehensive evaluation performed by a licensed plumber who checks every section of your plumbing system. The inspection costs $165 and uses advanced diagnostic techniques to identify hidden leaks or wear. This service clarifies the exact condition of your water main, enabling precise repairs that prevent future damage and ensure the overall health of your plumbing system.

Protect your water main by scheduling a cleaning and inspection every two to five years. The average cost of a sewer line cleaning is $400. It’s also important to never dig in your yard without first calling the dig line (811) to ensure you don't accidentally hit the water or sewer lines. Watch for soil erosion, low water pressure, or wet spots in your yard, and take immediate action if you suspect a leak. Remember, the longer you leave it, the worse the problem gets and the more costly it is to fix.

When properly maintained, your water main is engineered to remain functional for 50 years or longer. A durable water service in excellent condition should consistently perform without major issues for half a century. In contrast, metal pipes exposed to acidic soil corrode faster, whereas modern plastic pipes resist corrosion and function for decades beyond metal alternatives. Regular maintenance and inspections are essential for confirming your system’s longevity.

No, homeowners insurance does not cover the cost to repair a water main. Insurers fund only sudden, unforeseen events like a burst pipe and exclude gradual issues or normal wear and tear. Damage resulting from leaks, such as mold remediation or property claims, is not covered. It is essential to contact your insurance provider immediately to confirm your policy’s details and any potential adjustments needed.

The Port Jefferson, NY 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.