91/100CR Score
Ranked #1 because of its Google rating and availability: 4.8★ from 538 Google reviews, open 24/7.
- 4.8★ from 538 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 123 Maple Ave #2, Riverhead, NY 11901
Best Plumbers in Southold, NY (2026)
128 plumbers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Southold: Roto-Rooter Plumbing & Water Cleanup, CR Score 91/100; 4.8★ from 538 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Mr. Rooter Plumbing of South Central Connecticut, posts 24/7 hours; ranked #2 of 128.
- 2
Most-reviewed: Mr. Rooter Plumbing of South Central Connecticut, 742 Google reviews at 4.9★, the most of 128 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
128 Southold plumbers are ranked here by CR Score, from 8 published factors. 37 are open 24/7, 67 open Saturdays and 44 open Sundays, based on posted hours. The median Google rating is 4.8★ across 128 rated businesses.
Top 10 plumbers in Southold at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Roto-Rooter Plumbing & Water Cleanup | 91 | 4.8★ (538) | Riverhead, 16 mi away | 24/7 | Overall |
| 2 | Mr. Rooter Plumbing of South Central Connecticut | 90 | 4.9★ (742) | North Branford, 25 mi away | 24/7 | Emergencies, Most reviews |
| 3 | Joe the Plumber | 89 | 4.9★ (401) | Groton, 22 mi away | 24/7 | — |
| 4 | Z Plumberz of New Haven | 88 | 4.9★ (134) | Madison, 17 mi away | 24/7 | — |
| 5 | Lamb Plumbing | 88 | 5.0★ (76) | Old Saybrook, 16 mi away | 24/7 | — |
| 6 | Mid Suffolk Cesspool and Rooter Service | 88 | 4.8★ (118) | Calverton, 15 mi away | 24/7 | — |
| 7 | CDM Drain Cleaning and Sewer Cleaning Suffolk County | 88 | 5.0★ (68) | Centereach, 15 mi away | 24/7 | — |
| 8 | Paradise Plumbing | 87 | 5.0★ (102) | Calverton, 21 mi away | 24/7 | — |
| 9 | Mr. Rooter Plumbing of The Hamptons | 87 | 4.7★ (78) | Hampton Bays, 12 mi away | 24/7 | — |
| 10 | Roto-Rooter Plumbing & Water Cleanup | 86 | 4.8★ (414) | Guilford, 15 mi away | 24/7 | — |
The 128 best plumbers in Southold, 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.
Based in North Branford, 25 mi away
90/100CR ScoreRanked #2 because of its Google rating and review volume: 4.9★ from 742 Google reviews, the most Google reviews on this list (742).
- 4.9★ from 742 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 101 Fowler Rd, North Branford, CT 06471
Based in Groton, 22 mi away
89/100CR ScoreRanked #3 because of its Google rating and availability: 4.9★ from 401 Google reviews, open 24/7.
- 4.9★ from 401 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 215 Main St Suite B, Niantic, CT 06357
Based in Madison, 17 mi away
88/100CR ScoreRanked #4 because of its Google rating and availability: 4.9★ from 134 Google reviews, open 24/7.
- 4.9★ from 134 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 4 New Rd Unit 4, Madison, CT 06443
Based in Old Saybrook, 16 mi away
88/100CR ScoreRanked #5 because of its Google rating and availability: 5.0★ from 76 Google reviews, open 24/7.
- 5.0★ from 76 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 14 Cottage Pl, Old Saybrook, CT 06475
Based in Calverton, 15 mi away
88/100CR ScoreRanked #6 because of its Google rating and availability: 4.8★ from 118 Google reviews, open 24/7.
- 4.8★ from 118 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Centereach, 15 mi away
88/100CR ScoreRanked #7 because of its Google rating and availability: 5.0★ from 68 Google reviews, open 24/7.
- 5.0★ from 68 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Calverton, 21 mi away
87/100CR ScoreRanked #8 because of its Google rating and availability: 5.0★ from 102 Google reviews, open 24/7.
- 5.0★ from 102 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Hampton Bays, 12 mi away
87/100CR ScoreRanked #9 because of its Google rating and availability: 4.7★ from 78 Google reviews, open 24/7.
- 4.7★ from 78 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 33 Flying Point Rd suite 131, Southampton, NY 11968
Based in Guilford, 15 mi away
86/100CR ScoreRanked #10 because of its Google rating and availability: 4.8★ from 414 Google reviews, open 24/7.
- 4.8★ from 414 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 223 E Main St #2A, Clinton, CT 06413
Based in Southold
85/100CR ScoreRanked #11 because of its Google rating and availability: 4.3★ from 6 Google reviews, open 24/7.
- 4.3★ from 6 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in West Hills, 15 mi away
85/100CR ScoreRanked #12 because of its Google rating and availability: 4.8★ from 33 Google reviews, open 24/7.
- 4.8★ from 33 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Bayport, 15 mi away
85/100CR ScoreRanked #13 because of its Google rating and availability: 4.6★ from 50 Google reviews, open 24/7.
- 4.6★ from 50 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Hampton Bays, 14 mi away
85/100CR ScoreRanked #14 because of its Google rating and availability: 5.0★ from 20 Google reviews, open 24/7.
- 5.0★ from 20 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 7 Emerson Ct, Hampton Bays, NY 11946
Based in Bayport, 15 mi away
84/100CR ScoreRanked #15 because of its Google rating and trade focus: 5.0★ from 61 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 61 Google reviews
- Hours
- Mon–Sun 8 AM–8 PM
Based in Hampton Bays, 8 mi away
84/100CR ScoreRanked #16 because of its Google rating and availability: 5.0★ from 104 Google reviews, open 24/7.
- 5.0★ from 104 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
#17 Aqua Dream
Based in Bohemia, 15 mi away
84/100CR ScoreRanked #17 because of its Google rating and availability: 5.0★ from 14 Google reviews, open 24/7.
- 5.0★ from 14 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
#18 Ed's Plumbing
Based in Waterford, 23 mi away
83/100CR ScoreRanked #18 because of its Google rating and availability: 4.9★ from 38 Google reviews, open 24/7.
- 4.9★ from 38 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 19 Lamphere Rd, Waterford, CT 06385
Based in Calverton, 18 mi away
83/100CR ScoreRanked #19 because of its Google rating and availability: 5.0★ from 80 Google reviews, open 24/7.
- 5.0★ from 80 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 66 Old Country Rd, Quogue, NY 11959
Based in Coram, 22 mi away
83/100CR ScoreRanked #20 because of its Google rating and availability: 4.8★ from 33 Google reviews, open 24/7.
- 4.8★ from 33 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Brentwood, 15 mi away
83/100CR ScoreRanked #21 because of its Google rating and availability: 4.2★ from 25 Google reviews, open 24/7.
- 4.2★ from 25 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Southold
82/100CR ScoreRanked #22 because of its Google rating and availability: 4.9★ from 23 Google reviews, open 24/7.
- 4.9★ from 23 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 32635 County Rd 48, Peconic, NY 11958
Based in Hampton Bays, 12 mi away
82/100CR ScoreRanked #23 because of its Google rating and availability: 3.9★ from 7 Google reviews, open 24/7.
- 3.9★ from 7 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 152 Tuckahoe Ln, Southampton, NY 11968
Based in Riverhead, 16 mi away
82/100CR ScoreRanked #24 because of its Google rating and availability: 5.0★ from 6 Google reviews, open 24/7.
- 5.0★ from 6 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 690 Middle Rd, Riverhead, NY 11901
Based in Calverton, 17 mi away
82/100CR ScoreRanked #25 because of its Google rating and availability: 5.0★ from 13 Google reviews, open 24/7.
- 5.0★ from 13 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 128 ranked plumbers here; the rest are on their profiles.
Also serving Southold
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 |
|---|---|---|
| Al's Affordable Plumbing | 4.9★ (10) | 18 mi |
| Arrowdale Enterprises LLC | 5.0★ (7) | 22 mi |
| Best Connections | 5.0★ (2) | 24 mi |
| Breitenbach Plumbing | 5.0★ (3) | 15 mi |
| D J Mc Carthy Plumbing & Heating | 5.0★ (2) | 24 mi |
| Danny's Plumbing, Heating, Flood, Sewer & Drain Service | 2.5★ (2) | 15 mi |
| Esquire Plumbing and Heating, Inc. | 5.0★ (2) | 15 mi |
| Fordhom Plumbing & Heating | 5.0★ (2) | 23 mi |
| Fulton David L | 5.0★ (3) | 17 mi |
| Greenport Plumbing & Heating | In Southold | |
| Hank's Plumbing & Heating Services | 5.0★ (2) | 20 mi |
| J C Kleinkauf Heating & Plumbing Inc | 3.0★ (2) | 24 mi |
| Ja Dibble Plumbing LLC | 5.0★ (2) | 18 mi |
| Jarvis Plumbing & Heating Inc | 5.0★ (4) | 14 mi |
| John J Tratnyek Plumbing & Heating | 5.0★ (2) | 25 mi |
| Patterson Plumbing Co | 3.5★ (8) | 16 mi |
| Pipeline Plumbing & Heating | 5.0★ (4) | 19 mi |
| Precision Excavating & Drain | 5.0★ (2) | 18 mi |
| RLB Plumbing | 5.0★ (2) | 6 mi |
| Tomaszek & Sons Plumbing Heating | 4.6★ (9) | 16 mi |
How much do plumbers cost in Southold?
National price ranges in USD, not adjusted for Southold. 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 we ranked Southold plumbers
We scored 128 Southold 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 Southold 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 Southold: frequently asked questions
Who is the best plumber in Southold?
By CR Score, the highest-ranked plumber in Southold, NY is Roto-Rooter Plumbing & Water Cleanup with a CR Score of 91/100. It has 4.8★ from 538 Google reviews. It is open 24/7. Mr. Rooter Plumbing of South Central Connecticut (#2) and Joe the Plumber (#3) follow. We ranked 128 plumbers on 8 factors, last updated October 22, 2026.
How many plumbers are there in Southold?
ContractorsRanked ranks 128 plumbers serving Southold, NY. 4 of them are based in Southold; 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 Southold are open 24/7?
37 ranked plumbers in Southold post 24/7 hours. The highest-ranked are Roto-Rooter Plumbing & Water Cleanup (#1), Mr. Rooter Plumbing of South Central Connecticut (#2) and Joe the Plumber (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which plumbers in Southold work on weekends?
67 of 128 ranked plumbers post Saturday hours and 44 post Sunday hours. The highest-ranked open Saturdays are Roto-Rooter Plumbing & Water Cleanup (#1), Mr. Rooter Plumbing of South Central Connecticut (#2) and Joe the Plumber (#3). Posted hours are office hours; crews may book weekend jobs separately.
How much does water heater replacement cost in Southold?
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 Southold. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Southold plumbers have?
The median Google rating among 128 rated plumbers in Southold is 4.8★, with a median of 13 reviews. Mr. Rooter Plumbing of South Central Connecticut has the most, 742 reviews, and ranks #2. 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.
Do plumbers outside Southold count in this ranking?
Yes, if they are within 25 mi of the Southold city center, our service radius for plumbers. Each listing shows where the business is based and how far away it is. Proximity is 5% of the CR Score, so a nearby business gets a small edge.
Update log for Southold
- October 2026: CR Scores recalculated for 128 plumbers serving Southold.
- October 2026: 1 duplicate listing merged.
More plumbers and Southold pages
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