93/100CR Score
Ranked #1 because of its Google rating and availability: 4.7★ from 2,274 Google reviews, open 24/7.
- 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 Stamford, CT (2026)
840 plumbers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Stamford: Roto-Rooter Plumbing & Water Cleanup, CR Score 93/100; 4.7★ from 2,274 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Zoom Drain, posts 24/7 hours; ranked #2 of 840.
- 15
Most-reviewed: Roto-Rooter Plumbing & Water Cleanup, 1,825 Google reviews at 4.8★, the most of 840 ranked after Roto-Rooter Plumbing & Water Cleanup; ranked #15.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
840 Stamford plumbers are ranked here by CR Score, from 8 published factors. 343 are open 24/7, 523 open Saturdays and 404 open Sundays, based on posted hours. The median Google rating is 4.8★ across 840 rated businesses.
Top 10 plumbers in Stamford at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Roto-Rooter Plumbing & Water Cleanup | 93 | 4.7★ (2,274) | Stamford | 24/7 | Overall |
| 2 | Zoom Drain | 90 | 4.8★ (149) | Stamford | 24/7 | Emergencies |
| 3 | Roto-Rooter Plumbing & Water Cleanup | 89 | 4.8★ (1,070) | Mamaroneck, 13 mi away | 24/7 | — |
| 4 | Empire Sewer and Water CT | 89 | 5.0★ (54) | Stamford | 24/7 | — |
| 5 | Team ASAP Home Improvement LLC | 89 | 5.0★ (254) | Greenburgh, 12 mi away | 24/7 | — |
| 6 | 1-Tom-Plumber | 89 | 5.0★ (1,133) | Farmingdale, 22 mi away | 24/7 | — |
| 7 | Roto-Rooter Plumbing & Water Cleanup | 89 | 4.8★ (648) | White Plains, 12 mi away | 24/7 | — |
| 8 | Clear Drains LLC | 88 | 5.0★ (78) | Greenwich, 5 mi away | 24/7 | — |
| 9 | Drain Away Sewer Service Inc | 88 | 5.0★ (38) | Stamford | 24/7 | — |
| 10 | United Sewer & Water, LLC. | 88 | 5.0★ (31) | Stamford | 24/7 | — |
The 840 best plumbers in Stamford, ranked
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Scores below: based on 6 of 8 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
#2 Zoom Drain
Based in Stamford
90/100CR ScoreRanked #2 because of its Google rating and availability: 4.8★ from 149 Google reviews, open 24/7.
- 4.8★ from 149 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 130 Lenox Ave, Stamford, CT 06906
Based in Mamaroneck, 13 mi away
89/100CR ScoreRanked #3 because of its Google rating and availability: 4.8★ from 1,070 Google reviews, open 24/7.
- 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 Stamford
89/100CR ScoreRanked #4 because of its Google rating and availability: 5.0★ from 54 Google reviews, open 24/7.
- 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 Greenburgh, 12 mi away
89/100CR ScoreRanked #5 because of its Google rating and availability: 5.0★ from 254 Google reviews, open 24/7.
- 5.0★ from 254 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Farmingdale, 22 mi away
89/100CR ScoreRanked #6 because of its Google rating and availability: 5.0★ from 1,133 Google reviews, open 24/7.
- 5.0★ from 1,133 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 52 Central Dr, Farmingdale, NY 11735
Based in White Plains, 12 mi away
89/100CR ScoreRanked #7 because of its Google rating and availability: 4.8★ from 648 Google reviews, open 24/7.
- 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 Greenwich, 5 mi away
88/100CR ScoreRanked #8 because of its Google rating and availability: 5.0★ from 78 Google reviews, open 24/7.
- 5.0★ from 78 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 19 Edgewood Dr, Greenwich, CT 06831
Based in Stamford
88/100CR ScoreRanked #9 because of its Google rating and availability: 5.0★ from 38 Google reviews, open 24/7.
- 5.0★ from 38 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 77 Mayflower Ave, Stamford, CT 06906
Based in Stamford
88/100CR ScoreRanked #10 because of its Google rating and availability: 5.0★ from 31 Google reviews, open 24/7.
- 5.0★ from 31 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 15 Summit Pl, Stamford, CT 06906
#11 A & B Plumbing
Based in Greenwich, 12 mi away
88/100CR ScoreRanked #11 because of its Google rating and availability: 5.0★ from 138 Google reviews, open 24/7.
- 5.0★ from 138 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Andover, 2 mi away
88/100CR ScoreRanked #12 because of its Google rating and availability: 4.8★ from 62 Google reviews, open 24/7.
- 4.8★ from 62 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Yonkers, 20 mi away
88/100CR ScoreRanked #13 because of its Google rating and availability: 4.8★ from 1,574 Google reviews, open 24/7.
- 4.8★ from 1,574 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 3 Alan B Shepard Jr Pl Ste A, Yonkers, NY 10705
Based in Trumbull, 21 mi away
88/100CR ScoreRanked #14 because of its Google rating and availability: 5.0★ from 570 Google reviews, open 24/7.
- 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 Farmingdale, 22 mi away
88/100CR ScoreRanked #15 because of its Google rating and availability: 4.8★ from 1,825 Google reviews, open 24/7.
- 4.8★ from 1,825 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 241 Central Ave, Farmingdale, NY 11735
Based in Englewood Cliffs, 11 mi away
88/100CR ScoreRanked #16 because of its Google rating and availability: 5.0★ from 108 Google reviews, open 24/7.
- 5.0★ from 108 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in East Garden City, 22 mi away
87/100CR ScoreRanked #17 because of its Google rating and availability: 4.8★ from 1,423 Google reviews, open 24/7.
- 4.8★ from 1,423 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 100 Voice Rd, Carle Place, NY 11514
Based in Hunts Point, 22 mi away
87/100CR ScoreRanked #18 because of its Google rating and availability: 4.8★ from 1,275 Google reviews, open 24/7.
- 4.8★ from 1,275 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1111 Calhoun Ave Ste 5, Bronx, NY 10465
Based in Stratford, 22 mi away
87/100CR ScoreRanked #19 because of its Google rating and availability: 4.8★ from 1,306 Google reviews, open 24/7.
- 4.8★ from 1,306 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 815 Woodend Rd, Stratford, CT 06615
#20 Backflow Joe's
Based in Greenburgh, 21 mi away
87/100CR ScoreRanked #20 because of its Google rating and availability: 5.0★ from 329 Google reviews, open 24/7.
- 5.0★ from 329 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Smithtown, 22 mi away
87/100CR ScoreRanked #21 because of its Google rating and availability: 4.8★ from 1,199 Google reviews, open 24/7.
- 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 Bridgeport, 17 mi away
87/100CR ScoreRanked #22 because of its Google rating and availability: 5.0★ from 167 Google reviews, open 24/7.
- 5.0★ from 167 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
#23 Valerio Plumbing
Based in Darien, 14 mi away
87/100CR ScoreRanked #23 because of its Google rating and availability: 4.9★ from 176 Google reviews, open 24/7.
- 4.9★ from 176 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Stamford
87/100CR ScoreRanked #24 because of its Google rating and availability: 5.0★ from 16 Google reviews, open 24/7.
- 5.0★ from 16 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 19 Mohegan Ave, Stamford, CT 06902
Based in White Plains, 12 mi away
87/100CR ScoreRanked #25 because of its Google rating and availability: 4.9★ from 111 Google reviews, open 24/7.
- 4.9★ from 111 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 75 Virginia Rd, White Plains, NY 10603
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 840 ranked plumbers here; the rest are on their profiles.
Also serving Stamford
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 |
|---|---|---|
| 24hr Plumber USA | In Stamford | |
| A & M Mechanical Systems | 5.0★ (1) | In Stamford |
| A-1 Battistone's Plumberooter | 1.0★ (1) | In Stamford |
| All County Sewer & Drain Services | In Stamford | |
| Atomic Rooter Plumbing Sewer and Drain Cleaning | 5.0★ (2) | In Stamford |
| Bill Magyari Plumbing & Heating | In Stamford | |
| Comfort Masters | 5.0★ (1) | In Stamford |
| Donald Aulenti Design | In Stamford | |
| Emilio Caruso Plumbing & Heating Inc | 5.0★ (1) | In Stamford |
| Grimm’s Plumbing Services LLC | 5.0★ (51) | 8 mi |
| Joseph S Sabino Plumbing & Heating | 5.0★ (1) | In Stamford |
| One Vac LLC | In Stamford | |
| Onevac Sewer & Drain Services Llc | 5.0★ (1) | In Stamford |
| Ron Rich Plumbing & Heating | In Stamford | |
| Roto-Rooter Plumbing & Water Cleanup | 4.7★ (172) | 15 mi |
| Sandalo Plumbing & Heating | In Stamford | |
| Snake The Drain - Plumbing & Drain Services | 4.9★ (472) | 19 mi |
| Stone Harbour Construction, LLC | In Stamford | |
| Tarzia Plumbing & Heating | In Stamford | |
| Warco Plumbing & Heating Inc | 5.0★ (2) | In Stamford |
How much do plumbers cost in Stamford?
National price ranges in USD, not adjusted for Stamford. 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 Stamford plumbers
We scored 840 Stamford plumbers on 8 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. Unknown factors are left out of the score, 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 Stamford data |
|---|---|---|---|
| Reputation | 35% | Bayesian-adjusted Google star rating | Measured |
| Credentials | 15% | Active state license 0.6, bond 0.2, workers’ comp 0.2 | Not yet collected |
| Review volume | 10% | log10(reviews + 1) against the list maximum | Measured |
| Recency | 10% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 10% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | Google main category 1.0, business name 0.7, additional category 0.5 | Measured |
| Proximity | 5% | 1.0 when based in the city, falling to 0 at the trade’s radius | Measured |
| Completeness | 5% | Website, photos, description, hours, claimed profile (0.2 each) | Measured |
Plumbers in Stamford: frequently asked questions
Who is the best plumber in Stamford?
By CR Score, the highest-ranked plumber in Stamford, CT is Roto-Rooter Plumbing & Water Cleanup with a CR Score of 93/100. It has 4.7★ from 2,274 Google reviews. It is open 24/7. Zoom Drain (#2) and Roto-Rooter Plumbing & Water Cleanup (#3) follow. We ranked 840 plumbers on 8 factors, last updated October 22, 2026.
How many plumbers are there in Stamford?
ContractorsRanked ranks 840 plumbers serving Stamford, CT. 7 of them are based in Stamford; 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 Stamford are open 24/7?
343 ranked plumbers in Stamford post 24/7 hours. The highest-ranked are Roto-Rooter Plumbing & Water Cleanup (#1), Zoom Drain (#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 Stamford work on weekends?
523 of 840 ranked plumbers post Saturday hours and 404 post Sunday hours. The highest-ranked open Saturdays are Roto-Rooter Plumbing & Water Cleanup (#1), Zoom Drain (#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 Stamford?
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 Stamford. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Stamford plumbers have?
The median Google rating among 840 rated plumbers in Stamford is 4.8★, 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 8 published factors, led by reputation (35%), credentials (15%), review volume (10%) and recency (10%). Factors we cannot measure are left out, not scored as zero. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.
Update log for Stamford
- October 2026: CR Scores recalculated for 840 plumbers serving Stamford.
- October 2026: 7 duplicate listings merged.
More plumbers and Stamford pages
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