92/100CR Score
Ranked #1 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
Best Plumbers in Greenlawn, NY (2026)
842 plumbers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Greenlawn: 1-Tom-Plumber, CR Score 92/100; 5.0★ from 1,133 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Roto-Rooter Plumbing & Water Cleanup, posts 24/7 hours; ranked #2 of 842.
- 30
Most-reviewed: Universe Home Services, 6,771 Google reviews at 4.8★, the most of 842 ranked; ranked #30.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
842 Greenlawn plumbers are ranked here by CR Score, from 8 published factors. 343 are open 24/7, 542 open Saturdays and 413 open Sundays, based on posted hours. The median Google rating is 4.8★ across 842 rated businesses.
Top 10 plumbers in Greenlawn at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | 1-Tom-Plumber | 92 | 5.0★ (1,133) | Farmingdale, 8 mi away | 24/7 | Overall |
| 2 | Roto-Rooter Plumbing & Water Cleanup | 91 | 4.8★ (1,825) | Farmingdale, 8 mi away | 24/7 | Emergencies |
| 3 | Roto-Rooter Plumbing & Water Cleanup | 91 | 4.8★ (1,199) | Smithtown, 9 mi away | 24/7 | — |
| 4 | Mr. Rooter Plumbing of Long Island | 90 | 4.7★ (1,488) | Bayport, 9 mi away | 24/7 | — |
| 5 | HomeDoc Restoration | 89 | 5.0★ (175) | Deer Park, 8 mi away | 24/7 | — |
| 6 | Sal Manzo Plumbing, Heating & Cooling | 89 | 4.8★ (1,390) | Wantagh, 15 mi away | 24/7 | — |
| 7 | Benjamin Franklin Plumbing | 89 | 4.7★ (696) | Deer Park, 8 mi away | 24/7 | — |
| 8 | Citywide Sewer-Drain & Plumbing Corp | 89 | 4.8★ (1,423) | East Garden City, 16 mi away | 24/7 | — |
| 9 | Rooter Man Long Island | 89 | 4.9★ (338) | Bethpage, 11 mi away | 24/7 | — |
| 10 | RR Plumbing Roto-Rooter | 89 | 4.8★ (3,823) | Queens Village, 22 mi away | 24/7 | — |
The 842 best plumbers in Greenlawn, 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 Farmingdale, 8 mi away
91/100CR ScoreRanked #2 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 Smithtown, 9 mi away
91/100CR ScoreRanked #3 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 Bayport, 9 mi away
90/100CR ScoreRanked #4 because of its Google rating and availability: 4.7★ from 1,488 Google reviews, open 24/7.
- 4.7★ from 1,488 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Deer Park, 8 mi away
89/100CR ScoreRanked #5 because of its Google rating and availability: 5.0★ from 175 Google reviews, open 24/7.
- 5.0★ from 175 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 81 E Jefryn Blvd, Deer Park, NY 11729
Based in Wantagh, 15 mi away
89/100CR ScoreRanked #6 because of its Google rating and availability: 4.8★ from 1,390 Google reviews, open 24/7.
- 4.8★ from 1,390 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1480 Wantagh Ave, Wantagh, NY 11793
Based in Deer Park, 8 mi away
89/100CR ScoreRanked #7 because of its Google rating and availability: 4.7★ from 696 Google reviews, open 24/7.
- 4.7★ from 696 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 569 Acorn St, Deer Park, NY 11729
Based in East Garden City, 16 mi away
89/100CR ScoreRanked #8 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 Bethpage, 11 mi away
89/100CR ScoreRanked #9 because of its Google rating and availability: 4.9★ from 338 Google reviews, open 24/7.
- 4.9★ from 338 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 17 Cambridge Ave, Bethpage, NY 11714
Based in Queens Village, 22 mi away
89/100CR ScoreRanked #10 because of its Google rating and availability: 4.8★ from 3,823 Google reviews, open 24/7.
- 4.8★ from 3,823 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 216-30 90th Ave, Queens Village, NY 11428
Based in Bethpage, 12 mi away
89/100CR ScoreRanked #11 because of its Google rating and availability: 4.9★ from 329 Google reviews, open 24/7.
- 4.9★ from 329 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 339 Hicksville Rd #365, Bethpage, NY 11714
#12 Quick Drain
Based in West Babylon, 9 mi away
88/100CR ScoreRanked #12 because of its Google rating and availability: 5.0★ from 126 Google reviews, open 24/7.
- 5.0★ from 126 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 98 Mahan St Unit 3, West Babylon, NY 11704
Based in Stamford, 17 mi away
88/100CR ScoreRanked #13 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
Based in Farmingdale, 10 mi away
88/100CR ScoreRanked #14 because of its Google rating and availability: 4.8★ from 4,690 Google reviews, open 24/7.
- 4.8★ from 4,690 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 700 Broadhollow Rd, Farmingdale, NY 11735
Based in Commack, 4 mi away
88/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.9★ from 472 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 472 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1 Rural Pl, Commack, NY 11725
Based in Commack, 4 mi away
88/100CR ScoreRanked #16 because of its Google rating and availability: 4.9★ from 64 Google reviews, open 24/7.
- 4.9★ from 64 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 42 Sheldon Pl, Commack, NY 11725
#17 ROTO 24/7
Based in Smithtown, 10 mi away
88/100CR ScoreRanked #17 because of its Google rating and availability: 4.9★ from 159 Google reviews, open 24/7.
- 4.9★ from 159 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 10 Plantation Dr, Smithtown, NY 11788
Based in Bay Shore, 22 mi away
88/100CR ScoreRanked #18 because of its Google rating and availability: 4.9★ from 1,030 Google reviews, open 24/7.
- 4.9★ from 1,030 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Freeport, 19 mi away
87/100CR ScoreRanked #19 because of its Google rating and availability: 4.8★ from 871 Google reviews, open 24/7.
- 4.8★ from 871 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 72 Guy Lombardo Ave #1, Freeport, NY 11520
Based in Centerport, 1 mi away
87/100CR ScoreRanked #20 because of its Google rating and availability: 4.7★ from 50 Google reviews, open 24/7.
- 4.7★ from 50 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 343 E Main St, Centerport, NY 11721
Based in Mamaroneck, 21 mi away
87/100CR ScoreRanked #21 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 Massapequa, 14 mi away
87/100CR ScoreRanked #22 because of its Google rating and availability: 5.0★ from 120 Google reviews, open 24/7.
- 5.0★ from 120 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 7 Park Ln, Massapequa, NY 11758
#23 ZSL Plumbing
Based in Ronkonkoma, 13 mi away
87/100CR ScoreRanked #23 because of its Google rating and availability: 4.9★ from 153 Google reviews, open 24/7.
- 4.9★ from 153 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 856 Johnson Ave #1, Ronkonkoma, NY 11779
Based in Central Islip, 11 mi away
87/100CR ScoreRanked #24 because of its Google rating and availability: 4.8★ from 136 Google reviews, open 24/7.
- 4.8★ from 136 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1777 Veterans Memorial Hwy Suite 5, Islandia, NY 11749
Based in Coram, 19 mi away
87/100CR ScoreRanked #25 because of its Google rating and availability: 4.9★ from 316 Google reviews, open 24/7.
- 4.9★ from 316 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 36 Chestnut St, Mt Sinai, NY 11766
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 842 ranked plumbers here; the rest are on their profiles.
Also serving Greenlawn
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 |
|---|---|---|
| ABC Sewer Services Inc | 5.0★ (2) | 9 mi |
| Allied/All-City | 4.5★ (207) | 13 mi |
| Benjamin Franklin Plumbing | 4.9★ (73) | 15 mi |
| Big Blue Plumbing Inc | 4.5★ (2) | 12 mi |
| Busch Bros Cesspool Sewer & Drain, Corp | 5.0★ (2) | 11 mi |
| Crestivew Plumbing & Heating | 5.0★ (2) | 7 mi |
| DZ Plumbing and Mechanical | 5.0★ (1) | In Greenlawn |
| Ferme & Son Energy Corporation. | 5.0★ (2) | 10 mi |
| Gallagher Heating & Plumbing | 5.0★ (2) | 12 mi |
| Hicksville Plumbing and Heating | 3.0★ (2) | 11 mi |
| John Mc Laughlin Plumbing & Heating | 5.0★ (2) | In Greenlawn |
| KGI Plumbing Heating And Ac | 5.0★ (2) | 12 mi |
| Long Island Drain & Sewer Service | 5.0★ (2) | 11 mi |
| NYHandymanNow.com | 3.5★ (2) | 4 mi |
| Pipe Doctor Home Services - COOLING • HEATING • PLUMBING | 4.8★ (800) | 24 mi |
| Pipes Plus Long Island | 5.0★ (2) | 12 mi |
| Plumbing Emergency Rescue | 3.0★ (2) | 11 mi |
| Red Lion 24/7 Emergency Plumbing Heating & Drains | 5.0★ (104) | 14 mi |
| Wenker's Plumbing Heating & Back | 3.5★ (2) | 4 mi |
| Zoom Drain | 4.8★ (149) | 16 mi |
How much do plumbers cost in Greenlawn?
National price ranges in USD, not adjusted for Greenlawn. 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 Greenlawn plumbers
We scored 842 Greenlawn 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 Greenlawn 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 Greenlawn: frequently asked questions
Who is the best plumber in Greenlawn?
By CR Score, the highest-ranked plumber in Greenlawn, NY is 1-Tom-Plumber with a CR Score of 92/100. It has 5.0★ from 1,133 Google reviews. It is open 24/7. Roto-Rooter Plumbing & Water Cleanup (#2) and Roto-Rooter Plumbing & Water Cleanup (#3) follow. We ranked 842 plumbers on 8 factors, last updated October 22, 2026.
How many plumbers are there in Greenlawn?
ContractorsRanked ranks 842 plumbers serving Greenlawn, NY. 1 of them is based in Greenlawn; 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 Greenlawn are open 24/7?
343 ranked plumbers in Greenlawn post 24/7 hours. The highest-ranked are 1-Tom-Plumber (#1), Roto-Rooter Plumbing & Water Cleanup (#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 Greenlawn work on weekends?
542 of 842 ranked plumbers post Saturday hours and 413 post Sunday hours. The highest-ranked open Saturdays are 1-Tom-Plumber (#1), Roto-Rooter Plumbing & Water Cleanup (#2) and Roto-Rooter Plumbing & Water Cleanup (#3). Posted hours are office hours; crews may book weekend jobs separately.
How much does water heater replacement cost in Greenlawn?
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 Greenlawn. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Greenlawn plumbers have?
The median Google rating among 842 rated plumbers in Greenlawn is 4.8★, with a median of 17 reviews. Universe Home Services has the most, 6,771 reviews, and ranks #30. 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 Greenlawn count in this ranking?
Yes, if they are within 25 mi of the Greenlawn 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 Greenlawn
- October 2026: CR Scores recalculated for 842 plumbers serving Greenlawn.
- October 2026: 5 duplicate listings merged.
More plumbers and Greenlawn pages
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