PicksByTown
Norwalk, Connecticut · Plumbers

The 5 best plumbers in Norwalk, 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.

5 firms ranked Updated October 2026
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Norwalk 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 5 plumbers serving Norwalk and surrounding neighborhoods, including Boston Post Road Historic District, South Norwalk. 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 5 plumbers listed for Norwalk, 5 run a secure (HTTPS) website, 5 publish a phone number and 5 have their business name confirmed on their own website.

If you live in Norwalk, 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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How we rank plumbers in Norwalk

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 Norwalk: what the local data says

  • 58% of homes in Norwalk were built before 1970 and the median home dates to 1965. 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 Norwalk is around April 2 and the first fall frost around November 14, roughly 226 frost-free days. With about 78 nights at or below freezing a year, outdoor spigots and pipes in unheated spaces are worth winterizing before the first frost.
  • Norwalk gets about 51 inches of precipitation a year and about 26 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 Norwalk, CT, via Census Reporter; Open-Meteo historical weather archive, 2015-2024 averages.

This market

Plumbers around Norwalk: what this page found

1 of the 5 plumbers on this page is listed under Norwalk itself; the other 4 serve Norwalk from Bridgeport, New Haven and Stamford.

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

Nearby directories for the same trade: Stamford (3 ranked), Bridgeport (5 ranked), Danbury (4 ranked).

Common questions

Plumbers in Norwalk: quick answers

How are the plumbers in Norwalk 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 Norwalk?

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 Norwalk, 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 Norwalk?

This page lists Roto-Rooter Plumbing & Water Cleanup, Mumma Plumbing, JNR Plumbing LLC, Tarzia Plumbing & Heating and Rozmus Plumbing & Heating, in ranked order. All of them publish a phone number, so you can call directly.

When is the best time to book plumbers in Norwalk?

Going by Norwalk's own weather records (typical last spring frost around April 2, first fall frost around November 14), the usual windows are late winter, before about April 2 or early fall, before the first frost around November 14. 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
Also useful

Directories & guides for plumbers in Norwalk

Third-party roundups and multi-business directories covering this area. Not curated by us; included for reference.

9 Best Norwalk, CT Plumbers | Expertise.com Best Plumbers in Norwalk, CT. Home-improvement. Why choose this provider? 10 Best Plumbers in Norwalk, CT - Today's Homeowner Feb 25, 2025 · Have a plumbing issue? Find the top 10 plumbers in Norwalk, CT. Regardless of your… The 10 Best Plumbers in Norwalk, CT (with Free Quotes) Here is the best list of Norwalk's plumbers as rated by the Norwalk, CT community. Top 10 plumbing…

What to look for when hiring a plumber in Norwalk

  • 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 Boston Post Road Historic District or South Norwalk will understand local housing stock better than a regional chain.

Popular plumbers neighborhoods in Norwalk

The plumbers on this page serve all of Norwalk and surrounding areas, including Boston Post Road Historic District, South Norwalk. Response times and service radius vary, call ahead for estimates.

Norwalk Plumbers

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