PicksByTown
New Haven, Connecticut · Plumbers

The 4 best plumbers in New Haven, CT

Ranked on public signals: website quality, contactability, and service fit. Updated October 2026. No paid placements, and no customer reviews are collected or shown; every business was found in public listings or added by its owner, and all are scored the same way.

4 firms ranked Updated October 2026
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New Haven is served by local service businesses indexed below. Plumbers handle water line repair, drain cleaning, fixture installation, water heater service, and emergency leak response.

We indexed 4 plumbers serving New Haven. Each firm is scored on a consistent set of data signals: website health, HTTPS security, mobile-friendliness, online contactability, and alignment with the plumbers niche. The ranking is fixed by data, not by who pays the most to appear at the top.

Of the 4 plumbers listed for New Haven, 4 run a secure (HTTPS) website, 4 publish a phone number and 4 have their business name confirmed on their own website.

If you live in New Haven, CT and need a plumber, this page is a starting point, not an endorsement. Call two or three from the list, get written estimates, and compare. The numbers next to each business are a filter, not a decision.

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4

United Plumbing

45 /100 data score Based in New Britain, serves New Haven

In their words
United Plumbing CCTX is your trusted local plumber in New Britain, CT. We provide comprehensive plumbing solutions for both residential and commercial properties, with 24/7 emergency service availability.

(833) 609-0936
Visit website → Compare free quotesvia Angi Own this? Claim it →
Last verified October 2026

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How we rank plumbers in New Haven

Each business is scored on signals we can verify from public data: a live, secure (HTTPS) website, mobile-friendliness, a published phone number and website, and fit with the plumbers category. We do not collect or display customer reviews, and we do not accept payment for placement. Businesses can claim their listing to correct contact details, but the rank is fixed by the data. Owners can claim a listing for a Verified badge and a direct link; sponsors appear only in labeled blocks outside the numbered list. Neither changes rank.

Local conditions

Hiring plumbers in New Haven: what the local data says

  • 69% of homes in New Haven were built before 1970 and the median home dates to 1950. Homes of that age often still have galvanized steel or cast iron lines, so ask whether a plumber has worked on them before quoting a repair.
  • The typical last spring frost in New Haven is around April 5 and the first fall frost around November 12, roughly 220 frost-free days. With about 87 nights at or below freezing a year, outdoor spigots and pipes in unheated spaces are worth winterizing before the first frost.
  • New Haven gets about 52 inches of precipitation a year and about 28 inches of snow, and December is typically the wettest month. Sump pumps and basement drains get their real test in the wettest weeks, so have a pump checked before then rather than after the first wet basement.

Sources: US Census Bureau, ACS 2024 1-year estimates for New Haven, CT, via Census Reporter; Open-Meteo historical weather archive, 2015-2024 averages.

This market

Plumbers around New Haven: what this page found

1 of the 4 plumbers on this page is listed under New Haven itself; the other 3 serve New Haven from Bridgeport and New Britain.

The longest-established is Roto-Rooter Plumbing & Water Cleanup, 91 years in business.

Nearby directories for the same trade: Bridgeport (5 ranked), Waterbury (3 ranked), New Britain (3 ranked).

Common questions

Plumbers in New Haven: quick answers

How are the plumbers in New Haven ranked?

Each listing is scored on public signals we can check ourselves: whether the website is live and secure (HTTPS), whether it works on a phone, whether a phone number and website are published, and how closely the business matches the plumbers category. We do not collect customer reviews, so no star ratings or review counts appear here, and no business pays for placement.

How do I pick the best plumber in New Haven?

Use this list to shortlist two or three plumbers, then read their Google reviews yourself, confirm license and insurance, and get written estimates before committing. The score here is a filter, not a verdict.

How do I verify a plumber's license in Connecticut?

Licensing in Connecticut runs through the Connecticut Department of Consumer Protection. Before hiring anyone in New Haven, ask for their Home Improvement Contractor (HIC) registration number and verify it in the DCP eLicense lookup before signing; electricians, plumbers and HVAC technicians hold separate DCP trade licenses. Also confirm current liability insurance, and get the license number in writing on the estimate.

Which plumbers serve New Haven?

This page lists Mumma Plumbing, Roto-Rooter Plumbing & Water Cleanup, Delta Plumbing Company and United Plumbing, in ranked order. All of them publish a phone number, so you can call directly.

When is the best time to book plumbers in New Haven?

Going by New Haven's own weather records (typical last spring frost around April 5, first fall frost around November 12), the usual windows are late winter, before about April 5 or early fall, before the first frost around November 12. Booking a few weeks ahead of those windows beats the rush.

Read our guide
When to call a plumber vs. DIY: the 5-minute decision guide

What to look for when hiring a plumber in New Haven

  • Ask for the plumbing contractor license (P-1 or a limited contractor license). In Connecticut, plumbers need it from the Connecticut Department of Consumer Protection. Verify it at the official Connecticut license lookup before signing. Journeyperson licenses such as P-2 only allow work while employed by a licensed contractor, so the company should hold a contractor-level license.
  • Written estimates. Any plumber who won't put the scope in writing is a red flag.
  • Review quality, not just volume. Read the 3-star reviews, they're usually the most honest.
  • Local references. A plumber who's done work in New Haven will understand local housing stock better than a regional chain.

Popular plumbers neighborhoods in New Haven

The plumbers on this page serve all of New Haven and surrounding areas. Response times and service radius vary, call ahead for estimates.

New Haven Plumbers

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