65/100CR Score
Ranked #1 because of its Google rating and trade focus: 4.7★ from 2,274 Google reviews, listed on Google as “Plumber”.
- 4.7★ from 2,274 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1011 Hope St, Stamford, CT 06907
Best Plumbers in Norwalk, CT (2026)
605 plumbers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Norwalk: Roto-Rooter Plumbing & Water Cleanup, CR Score 65/100; 4.7★ from 2,274 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Bertola Plumbing & Heating, posts 24/7 hours; ranked #2 of 605.
- 9
Most-reviewed: Astacio Heating, Cooling, Plumbing & Electrical, 1,998 Google reviews at 4.8★, the most of 605 ranked after Roto-Rooter Plumbing & Water Cleanup; ranked #9.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
605 Norwalk plumbers are ranked here by CR Score, from ten published factors. 232 are open 24/7, 376 open Saturdays and 286 open Sundays, based on posted hours. The median Google rating is 4.9★ across 605 rated businesses.
Top 10 plumbers in Norwalk at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Roto-Rooter Plumbing & Water Cleanup | 65 | 4.7★ (2,274) | Stamford, 6 mi away | 24/7 | Overall |
| 2 | Bertola Plumbing & Heating | 63 | 5.0★ (570) | Trumbull, 14 mi away | 24/7 | Emergencies |
| 3 | Roto-Rooter Plumbing & Water Cleanup | 62 | 4.8★ (1,306) | Stratford, 14 mi away | 24/7 | — |
| 4 | Rick's Plumbing Service, Inc. | 62 | 5.0★ (1,157) | Milford, 19 mi away | 24/7 | — |
| 5 | Backflow Joe's | 62 | 5.0★ (329) | Greenburgh, 13 mi away | 24/7 | — |
| 6 | Valerio Plumbing | 62 | 4.9★ (176) | Darien, 7 mi away | 24/7 | — |
| 7 | J Rooter Sewer and Drain Cleaning | 62 | 5.0★ (167) | Bridgeport, 9 mi away | 24/7 | — |
| 8 | All Star Rooter | 61 | 4.9★ (53) | Norwalk | 24/7 | — |
| 9 | Astacio Heating, Cooling, Plumbing & Electrical | 61 | 4.8★ (1,998) | Norwalk | Sat · Sun · Evenings | Most reviews |
| 10 | The Drain King | 61 | 4.9★ (228) | Bridgeport, 10 mi away | 24/7 | — |
The 605 best plumbers in Norwalk, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Based in Trumbull, 14 mi away
63/100CR ScoreRanked #2 because of its Google rating and trade focus: 5.0★ from 570 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 570 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 90 Fresh Meadow Dr, Trumbull, CT 06611
Based in Stratford, 14 mi away
62/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.8★ from 1,306 Google reviews, listed on Google as “Plumber”.
- 4.8★ from 1,306 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 815 Woodend Rd, Stratford, CT 06615
Based in Milford, 19 mi away
62/100CR ScoreRanked #4 because of its Google rating and trade focus: 5.0★ from 1,157 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 1,157 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1050 Bridgeport Ave STE D1, Milford, CT 06460
Based in Greenburgh, 13 mi away
62/100CR ScoreRanked #5 because of its Google rating and trade focus: 5.0★ from 329 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 329 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Darien, 7 mi away
62/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.9★ from 176 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 176 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Bridgeport, 9 mi away
62/100CR ScoreRanked #7 because of its Google rating and trade focus: 5.0★ from 167 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 167 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Norwalk
61/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.9★ from 53 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 53 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 9 Shadow Ln, Norwalk, CT 06851
Based in Norwalk
61/100CR ScoreRanked #9 because of its Google rating and review volume: 4.8★ from 1,998 Google reviews.
- 4.8★ from 1,998 Google reviews
- Hours
- Mon–Sun 7 AM–7 PM
- Address
- 70 Fort Point St, Norwalk, CT 06855
#10 The Drain King
Based in Bridgeport, 10 mi away
61/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.9★ from 228 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 228 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Norwalk
61/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.8★ from 53 Google reviews, listed on Google as “Plumber”.
- 4.8★ from 53 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 345 Main Ave Unit CCDD, Norwalk, CT 06851
#12 Zoom Drain
Based in Stamford, 6 mi away
61/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.8★ from 149 Google reviews, listed on Google as “Plumber”.
- 4.8★ from 149 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 130 Lenox Ave, Stamford, CT 06906
Based in Ansonia, 4 mi away
61/100CR ScoreRanked #13 because of its Google rating and trade focus: 5.0★ from 58 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 58 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Shelton, 20 mi away
61/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.9★ from 722 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 722 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 194 Leavenworth Rd J, Shelton, CT 06484
Based in Smithtown, 21 mi away
61/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.8★ from 1,199 Google reviews, listed on Google as “Plumber”.
- 4.8★ from 1,199 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 114 W Main St, Smithtown, NY 11787
Based in Mamaroneck, 21 mi away
61/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.8★ from 1,070 Google reviews, listed on Google as “Plumber”.
- 4.8★ from 1,070 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 525 Waverly Ave, Mamaroneck, NY 10543
Based in Danbury, 19 mi away
60/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.8★ from 731 Google reviews, listed on Google as “Plumber”.
- 4.8★ from 731 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 68 Main St Ste 204, Danbury, CT 06810
Based in White Plains, 20 mi away
60/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.8★ from 648 Google reviews, listed on Google as “Plumber”.
- 4.8★ from 648 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 280 Mamaroneck Ave #212A, White Plains, NY 10605
Based in Norwalk
60/100CR ScoreRanked #19 because of its Google rating and trade focus: 5.0★ from 20 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 20 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2 Prospect St, Norwalk, CT 06850
Based in Stratford, 15 mi away
60/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.9★ from 209 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 209 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 290 Greenfield Ave, Stratford, CT 06614
Based in Fairfield, 1 mi away
60/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.8★ from 25 Google reviews, listed on Google as “Plumber”.
- 4.8★ from 25 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Stamford, 8 mi away
60/100CR ScoreRanked #22 because of its Google rating and trade focus: 5.0★ from 54 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 54 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 680 E Main St STE 582, Stamford, CT 06901
Based in Stratford, 15 mi away
60/100CR ScoreRanked #23 because of its Google rating and trade focus: 4.9★ from 171 Google reviews, listed on Google as “Drainage service”.
- 4.9★ from 171 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 150 Colony St, Stratford, CT 06615
Based in Greenburgh, 20 mi away
60/100CR ScoreRanked #24 because of its Google rating and trade focus: 5.0★ from 254 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 254 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Andover, 7 mi away
60/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.8★ from 62 Google reviews, listed on Google as “Plumber”.
- 4.8★ from 62 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Plumbers ranked #26 to #50
#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile. We publish the top 50 of 605 ranked plumbers here; the rest are on their profiles.
Also serving Norwalk
20 more plumbers within 25 mi that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.
| Business | Google rating | Distance |
|---|---|---|
| A1 Atomic Rooter, Inc | 4.3★ (12) | 4 mi |
| Atlantis Plumbing & Heating | 4.0★ (1) | In Norwalk |
| Brandt Scipion Plumbing LLC | 5.0★ (1) | In Norwalk |
| CC Carpentry & Multi-Services LLC | 5.0★ (1) | In Norwalk |
| D & B Plumbing Repair Services | 5.0★ (1) | In Norwalk |
| Dan Caruso Plumbing & Heating | 5.0★ (1) | In Norwalk |
| Drains Plus | 5.0★ (1) | In Norwalk |
| Fahey Plumbing | 5.0★ (1) | In Norwalk |
| Father & Son Plumbing & Heating | 3.0★ (2) | In Norwalk |
| Frank Lopiano LLC | 5.0★ (1) | In Norwalk |
| Hilltop Plumbing & Heating | 3.0★ (2) | In Norwalk |
| Hothead & Heating Cooling | 5.0★ (3) | In Norwalk |
| J&J Backflow Device Testers Inc | 5.0★ (62) | 17 mi |
| K Stadler & Sons Plumbing | 3.0★ (1) | In Norwalk |
| Kevin Simpson Plumbing, LLC. | 5.0★ (2) | In Norwalk |
| Norwalk Service Co | In Norwalk | |
| P & H Kousidis Painting Co | In Norwalk | |
| ROTO 24/7 | 4.9★ (159) | 23 mi |
| Sam's Septic Cleaning | 3.0★ (2) | In Norwalk |
| VP's Plumbing, Heating & Air | 4.6★ (196) | 18 mi |
How much do plumbers cost in Norwalk?
National price ranges in USD, not adjusted for Norwalk. Each row names its basis and the month we checked it.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Water heater replacement | $882 | $1,348 | $1,826 | Per unit, installed (unit plus labor); typical range of customer-reported jobs. US national range | October 2026 |
How to check a plumber's license in Connecticut
In Connecticut, Connecticut Department of Consumer Protection licenses Plumbing work: water supply, drain, waste and vent piping and fixtures.
- Search the business name or license number on the Connecticut Department of Consumer Protection license lookup.
- Check that the status is active and the name matches the contract or truck.
- Ask for proof of insurance before work starts.
No chip usually means we have not matched a state record yet. Check the lookup yourself before you hire.
Guide checked October 2026. How we verify licenses
How we ranked Norwalk plumbers
We scored 605 Norwalk plumbers on ten factors, weighted as shown. A business is ranked when its trade is confirmed and it has 3 or more Google reviews or a claimed profile. A business with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, not counted as zero. Scores last refreshed October 22, 2026.
Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.
| Factor | Weight | Computed from | In Norwalk data |
|---|---|---|---|
| Reputation | 25% | Google star rating, adjusted for how many reviews back it | Measured |
| Credentials | 15% | Active state license, bond and workers’ comp on file | Not yet collected |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list | Measured |
| Recency | 5% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 5% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) | Measured |
| Proximity | 5% | Based in the city scores highest, less the farther away it is | Measured |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) | Measured |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically | Measured |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are | Measured |
Plumbers in Norwalk: frequently asked questions
Who is the best plumber in Norwalk?
By CR Score, the highest-ranked plumber in Norwalk, CT is Roto-Rooter Plumbing & Water Cleanup with a CR Score of 65/100. It has 4.7★ from 2,274 Google reviews. It is open 24/7. Bertola Plumbing & Heating (#2) and Roto-Rooter Plumbing & Water Cleanup (#3) follow. We ranked 605 plumbers on ten factors, last updated October 22, 2026.
How many plumbers are there in Norwalk?
ContractorsRanked ranks 605 plumbers serving Norwalk, CT. 6 of them are based in Norwalk; the rest serve it from nearby towns. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.
Which plumbers in Norwalk are open 24/7?
232 ranked plumbers in Norwalk post 24/7 hours. The highest-ranked are Roto-Rooter Plumbing & Water Cleanup (#1), Bertola Plumbing & Heating (#2) and Roto-Rooter Plumbing & Water Cleanup (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which plumbers in Norwalk work on weekends?
376 of 605 ranked plumbers post Saturday hours and 286 post Sunday hours. The highest-ranked open Saturdays are Roto-Rooter Plumbing & Water Cleanup (#1), Bertola Plumbing & Heating (#2) and Roto-Rooter Plumbing & Water Cleanup (#3). Posted hours are office hours; crews may book weekend jobs separately.
How do I check a plumber's license in Connecticut?
In Connecticut, Connecticut Department of Consumer Protection handles licensing and covers Plumbing work: water supply, drain, waste and vent piping and fixtures. Search the business or license number at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx.
How much does water heater replacement cost in Norwalk?
Water heater replacement typically costs $882 to $1,826, with $1,348 typical (Per unit, installed (unit plus labor); typical range of customer-reported jobs. US national range). This is a national range, not adjusted for Norwalk. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Norwalk plumbers have?
The median Google rating among 605 rated plumbers in Norwalk is 4.9★, with a median of 16 reviews. Roto-Rooter Plumbing & Water Cleanup has the most, 2,274 reviews, and ranks #1. We adjust ratings for review count, so a few five-star reviews cannot top the list.
How does ContractorsRanked rank plumbers?
Each plumber gets a 0–100 CR Score from ten published factors, led by reputation (25%), credentials (15%), review volume (10%) and trade focus (10%). A business with no Google reviews scores zero on rating, review volume and recency; other factors we cannot measure are left out. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.
Update log for Norwalk
- October 2026: CR Scores recalculated for 605 plumbers serving Norwalk.
- October 2026: 4 duplicate listings merged.
More plumbers and Norwalk pages
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Other trades in Norwalk
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- Window installers in Norwalk760 ranked
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- Insulation contractors in Norwalk82 ranked
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