62/100CR Score
Ranked #1 because of its Google rating and review volume: 4.5★ from 2,882 Google reviews, the most in Greenlawn.
Based on 8 of 10 factors; credentials and recency not yet collected.
Best Pool Builders in Greenlawn, NY (2026)
504 pool builders ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Greenlawn: Island Recreational, CR Score 62/100; 4.5★ from 2,882 Google reviews; open 7 days a week.
- 14
Best for emergencies (open 24/7): Long Island Pool Covers, posts 24/7 hours; ranked #14 of 504.
- 4
Most-reviewed: Pool Doctor, 604 Google reviews at 4.8★, the most of 504 ranked after Island Recreational; ranked #4.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
504 Greenlawn pool builders are ranked here by CR Score, from ten published factors. 40 are open 24/7, 324 open Saturdays and 132 open Sundays, based on posted hours. The median Google rating is 4.6★ across 504 rated businesses.
Top 10 pool builders in Greenlawn at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Island Recreational | 62 | 4.5★ (2,882) | Massapequa, 13 mi away | Sat · Sun | Overall |
| 2 | Bob the Diver | 62 | 5.0★ (364) | Ronkonkoma, 14 mi away | Sat · Sun · Evenings | — |
| 3 | Suntek Pools & Spas | 61 | 4.9★ (319) | Farmingdale, 10 mi away | Sat · Sun | — |
| 4 | Pool Doctor | 61 | 4.8★ (604) | East Northport, 2 mi away | Sat | Most reviews |
| 5 | Lifeguard LI | 61 | 4.9★ (159) | Glen Cove, 14 mi away | Sat · Sun · Emergency | — |
| 6 | Advantage L.I. | 60 | 4.9★ (218) | Holbrook, 15 mi away | Sat · Sun | — |
| 7 | GranSasso Inc. Swimming Pool Services | 59 | 5.0★ (106) | Commack, 5 mi away | Sat | — |
| 8 | Scuba Snak - Swimming Pool Leak Detection | 58 | 5.0★ (531) | Centereach, 38 mi away | Sat · Sun · Evenings | — |
| 9 | Dolphin Pool Supply | 58 | 4.6★ (226) | Lake Ronkonkoma, 14 mi away | Sat · Sun | — |
| 10 | Long Island Pool and Patio | 58 | 4.8★ (176) | Coram, 18 mi away | Sat · Sun | — |
The 504 best pool builders in Greenlawn, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Based in Ronkonkoma, 14 mi away
62/100CR ScoreRanked #2 because of its Google rating and trade focus: 5.0★ from 364 Google reviews, listed on Google as “Swimming pool repair service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Farmingdale, 10 mi away
61/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.9★ from 319 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#4 Pool Doctor
Based in East Northport, 2 mi away
61/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.8★ from 604 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#5 Lifeguard LI
Based in Glen Cove, 14 mi away
61/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.9★ from 159 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Holbrook, 15 mi away
60/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.9★ from 218 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Commack, 5 mi away
59/100CR ScoreRanked #7 because of its Google rating and trade focus: 5.0★ from 106 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Centereach, 38 mi away
58/100CR ScoreRanked #8 because of its Google rating and trade focus: 5.0★ from 531 Google reviews, listed on Google as “Swimming pool repair service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lake Ronkonkoma, 14 mi away
58/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.6★ from 226 Google reviews, listed on Google as “Swimming pool repair service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Coram, 18 mi away
58/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.8★ from 176 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#11 Fresh Blue Pools
Based in West Babylon, 11 mi away
58/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.9★ from 141 Google reviews, listed on Google as “Swimming pool repair service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in New York City, 2 mi away
58/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.9★ from 73 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Huntington Station, 3 mi away
58/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.9★ from 99 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Selden, 31 mi away
58/100CR ScoreRanked #14 because of its Google rating and trade focus: 5.0★ from 109 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Amityville, 14 mi away
58/100CR ScoreRanked #15 because of its Google rating and trade focus: 5.0★ from 108 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in East Elmhurst, 29 mi away
58/100CR ScoreRanked #16 because of its Google rating and trade focus: 5.0★ from 80 Google reviews, listed on Google as “Swimming pool repair service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Commack, 5 mi away
58/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.9★ from 35 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#18 Aquacade Pools
Based in Hicksville, 12 mi away
58/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.7★ from 268 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lake Ronkonkoma, 12 mi away
58/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.9★ from 55 Google reviews, listed on Google as “Swimming pool repair service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#20 Backyard Masters
Based in Farmingdale, 10 mi away
58/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.2★ from 378 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bohemia, 16 mi away
58/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.9★ from 213 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Long Island City, 29 mi away
57/100CR ScoreRanked #22 because of its Google rating and trade focus: 5.0★ from 67 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Dix Hills, 2 mi away
57/100CR ScoreRanked #23 because of its Google rating and trade focus: 4.7★ from 57 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lindenhurst, 12 mi away
57/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.4★ from 120 Google reviews, listed on Google as “Swimming pool repair service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#25 OUTSIDE
Based in Port Chester, 18 mi away
57/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.9★ from 126 Google reviews, listed on Google as “Swimming pool repair service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Pool builders 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 504 ranked pool builders here; the rest are on their profiles.
Also serving Greenlawn
20 more pool builders within 40 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 |
|---|---|---|
| Aqua-Qual Swimming Pool Co | 5.0★ (2) | 11 mi |
| Blue Haven Pools & Spas | 5.0★ (2) | 15 mi |
| Commercial Clearwater Company, Inc. | 5.0★ (2) | 15 mi |
| Five Star Pool Liners Islandia | 3.0★ (2) | 11 mi |
| Gladiator Landscaping & Design LLC | 5.0★ (31) | In Greenlawn |
| Imperial Gunite | 5.0★ (2) | 15 mi |
| J&R Pools | 5.0★ (2) | 14 mi |
| Li Pools | 5.0★ (2) | 12 mi |
| Lifestyle Swimming Pools and Spa | 3.0★ (2) | 12 mi |
| London Pools | 5.0★ (2) | 12 mi |
| Northway Pool Servce | 3.5★ (2) | 11 mi |
| Palatial Pools Inc. | 5.0★ (2) | 9 mi |
| pool solutions | 3.0★ (2) | 8 mi |
| Precision Pool Solutions Inc | 1.0★ (2) | 15 mi |
| Pristine Pools of Greenwich | 3.0★ (2) | 17 mi |
| Quogue Swimming Pool Service, Inc. | 3.0★ (2) | 12 mi |
| Shoreline Pools, Inc. | 5.0★ (2) | 16 mi |
| Tony’s D and pool service | 5.0★ (2) | 4 mi |
| Z pool boy | 5.0★ (2) | 17 mi |
| Zorn Labor Supply & Pools | 5.0★ (2) | 12 mi |
How we ranked Greenlawn pool builders
We scored 504 Greenlawn pool builders 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 November 3, 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 | 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 |
Pool builders in Greenlawn: frequently asked questions
Who is the best pool builder in Greenlawn?
By CR Score, the highest-ranked pool builder in Greenlawn, NY is Island Recreational with a CR Score of 62/100. It has 4.5★ from 2,882 Google reviews. It is open 7 days a week. Bob the Diver (#2) and Suntek Pools & Spas (#3) follow. We ranked 504 pool builders on ten factors, last updated November 3, 2026.
How many pool builders are there in Greenlawn?
ContractorsRanked ranks 504 pool builders serving Greenlawn, NY. Another 20 within 40 mi are listed but not ranked yet. Counts are as of November 2026.
Which pool builders in Greenlawn are open 24/7?
40 ranked pool builders in Greenlawn post 24/7 hours. The highest-ranked are Long Island Pool Covers (#14), Wizard of Pools Inc (#16) and NEPTUNE POOLS AND SPA (#22). Lifeguard LI (#5) also lists emergency service. Hours come from each business's Google listing as of November 2026, so call to confirm.
Which pool builders in Greenlawn work on weekends?
324 of 504 ranked pool builders post Saturday hours and 132 post Sunday hours. The highest-ranked open Saturdays are Island Recreational (#1), Bob the Diver (#2) and Suntek Pools & Spas (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Greenlawn pool builders have?
The median Google rating among 504 rated pool builders in Greenlawn is 4.6★, with a median of 19 reviews. Island Recreational has the most, 2,882 reviews, and ranks #1. We adjust ratings for review count, so a few five-star reviews cannot top the list.
How does ContractorsRanked rank pool builders?
Each pool builder 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.
Do pool builders outside Greenlawn count in this ranking?
Yes, if they are within 40 mi of the Greenlawn city center, our service radius for pool builders. 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.
Can pool builders pay to rank higher on ContractorsRanked?
No. The CR Score never reads payment status, and this ranking has 0 paid placements. Up to 3 Featured businesses may appear above the list, labelled Featured and showing their honest rank.
Update log for Greenlawn
- November 2026: CR Scores recalculated for 504 pool builders serving Greenlawn.
- November 2026: 2 duplicate listings merged.
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