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Best Pool Builders in Mount Sinai, NY (2026)

426 pool builders ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in Mount Sinai: Bob the Diver, CR Score 62/100; 5.0★ from 364 Google reviews; open 7 days a week.

  2. 3

    Best for emergencies (open 24/7): Long Island Pool Covers, posts 24/7 hours; ranked #3 of 426.

  3. 6

    Most-reviewed: Island Recreational, 2,882 Google reviews at 4.5★, the most of 426 ranked; ranked #6.

Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank

426 Mount Sinai pool builders are ranked here by CR Score, from ten published factors. 34 are open 24/7, 278 open Saturdays and 105 open Sundays, based on posted hours. The median Google rating is 4.6★ across 426 rated businesses.

Top 10 pool builders in Mount Sinai at a glance

Top 10 pool builders in Mount Sinai at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Bob the Diver625.0★ (364)Ronkonkoma, 9 mi awaySat · Sun · EveningsOverall
2Scuba Snak - Swimming Pool Leak Detection615.0★ (531)Centereach, 21 mi awaySat · Sun · Evenings—
3Long Island Pool Covers615.0★ (109)Selden, 13 mi away24/7Emergencies
4Advantage L.I.604.9★ (218)Holbrook, 10 mi awaySat · Sun—
5Long Island Pool and Patio604.8★ (176)Coram, 5 mi awaySat · Sun—
6Island Recreational594.5★ (2,882)Massapequa, 29 mi awaySat · SunMost reviews
7Pool Doctor594.8★ (604)East Northport, 16 mi awaySat—
8Dolphin Pool Supply594.6★ (226)Lake Ronkonkoma, 10 mi awaySat · Sun—
9Suntek Pools & Spas594.9★ (319)Farmingdale, 25 mi awaySat · Sun—
10Coversafe, Inc.595.0★ (370)Bayport, 8 mi away——

The 426 best pool builders in Mount Sinai, 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.

  1. Ranked #1 in Mount Sinai

    Based in Ronkonkoma, 9 mi away

    62/100CR Score

    Ranked #1 because of its Google rating and trade focus: 5.0★ from 364 Google reviews, listed on Google as “Swimming pool repair service”.

    • 5.0★ from 364 Google reviews
    Hours
    Mon–Sun 7 AM–7 PM
    Address
    245 Portion Rd, Ronkonkoma, NY 11779
  2. Based in Holbrook, 10 mi away

    60/100CR Score

    Ranked #4 because of its Google rating and trade focus: 4.9★ from 218 Google reviews, listed on Google as “Swimming pool contractor”.

    • 4.9★ from 218 Google reviews
    Hours
    Mon–Fri 10 AM–6 PM · Sat–Sun 10 AM–4 PM
    Address
    317 Union Ave, Holbrook, NY 11741
  3. Based in Massapequa, 29 mi away

    59/100CR Score

    Ranked #6 because of its Google rating and review volume: 4.5★ from 2,882 Google reviews, the most in Mount Sinai.

    • 4.5★ from 2,882 Google reviews
    Hours
    Mon–Fri 10 AM–6 PM · Sat–Sun 9 AM–5 PM
    Address
    1059 Hicksville Rd, Massapequa, NY 11758
  4. Based in East Northport, 16 mi away

    59/100CR Score

    Ranked #7 because of its Google rating and trade focus: 4.8★ from 604 Google reviews, listed on Google as “Swimming pool contractor”.

    • 4.8★ from 604 Google reviews
    Hours
    Mon–Sat 9 AM–5 PM · Sun closed
    Address
    315 Larkfield Rd, East Northport, NY 11731
  5. Based in Lake Ronkonkoma, 10 mi away

    59/100CR Score

    Ranked #8 because of its Google rating and trade focus: 4.6★ from 226 Google reviews, listed on Google as “Swimming pool repair service”.

    • 4.6★ from 226 Google reviews
    Hours
    Mon–Sat 9:30 AM–5 PM · Sun 10 AM–3 PM
    Address
    231 Ronkonkoma Ave, Lake Ronkonkoma, NY 11779
  6. Based in Farmingdale, 25 mi away

    59/100CR Score

    Ranked #9 because of its Google rating and trade focus: 4.9★ from 319 Google reviews, listed on Google as “Swimming pool contractor”.

    • 4.9★ from 319 Google reviews
    Hours
    Mon–Sat 10 AM–6 PM · Sun 11 AM–5 PM
    Address
    1282 Broadhollow Rd, Farmingdale, NY 11735
  7. Based in Bayport, 8 mi away

    59/100CR Score

    Ranked #10 because of its Google rating and trade focus: 5.0★ from 370 Google reviews, listed on Google as “Swimming pool contractor”.

    • 5.0★ from 370 Google reviews
    Hours
    Mon–Thu 9 AM–4 PM · Fri 9 AM–2 PM · Sat–Sun closed
  8. Based in Brentwood, 7 mi away

    59/100CR Score

    Ranked #11 because of its Google rating and trade focus: 4.8★ from 67 Google reviews, listed on Google as “Swimming pool contractor”.

    • 4.8★ from 67 Google reviews
    Hours
    Mon–Sun 8 AM–5 PM
  9. Based in Farmingville, 8 mi away

    58/100CR Score

    Ranked #13 because of its Google rating and trade focus: 4.6★ from 115 Google reviews, listed on Google as “Swimming pool repair service”.

    • 4.6★ from 115 Google reviews
    Hours
    Mon–Sat 10 AM–6 PM · Sun 10 AM–4 PM
    Address
    841 Horseblock Road, Farmingville, NY 11738
  10. Based in Glen Cove, 32 mi away

    58/100CR Score

    Ranked #15 because of its Google rating and trade focus: 4.9★ from 159 Google reviews, listed on Google as “Swimming pool contractor”.

    • 4.9★ from 159 Google reviews
    • Emergency service
    Hours
    Mon–Sun 9 AM–6 PM
    Address
    15 Glen St #206, Glen Cove, NY 11542
  11. Based in Lake Ronkonkoma, 10 mi away

    58/100CR Score

    Ranked #17 because of its Google rating and trade focus: 4.9★ from 55 Google reviews, listed on Google as “Swimming pool repair service”.

    • 4.9★ from 55 Google reviews
    Hours
    Mon–Sat 9 AM–6 PM · Sun 10 AM–5:30 PM
    Address
    661 Rosevale Ave, Lake Ronkonkoma, NY 11779
  12. Based in Coram, 4 mi away

    57/100CR Score

    Ranked #19 because of its Google rating and trade focus: 5.0★ from 43 Google reviews, listed on Google as “Swimming pool contractor”.

    • 5.0★ from 43 Google reviews
    Hours
    Mon–Sat 7 AM–7 PM · Sun closed
    Address
    248 NY-25A Ste 2007, Setauket- East Setauket, NY 11733
  13. Based in Coram, 5 mi away

    57/100CR Score

    Ranked #22 because of its Google rating and trade focus: 4.5★ from 172 Google reviews, listed on Google as “Swimming pool contractor”.

    • 4.5★ from 172 Google reviews
    Hours
    Mon–Fri 9 AM–4 PM · Sat 10 AM–1 PM · Sun closed
    Address
    2215 NY-112, Coram, NY 11727
  14. Based in Rocky Point, 5 mi away

    57/100CR Score

    Ranked #23 because of its Google rating and trade focus: 4.4★ from 187 Google reviews, listed on Google as “Swimming pool contractor”.

    • 4.4★ from 187 Google reviews
    Hours
    Mon–Sat 9 AM–5 PM · Sun closed
    Address
    471 NY-25A, Rocky Point, NY 11778
  15. Based in Holtsville, 9 mi away

    57/100CR Score

    Ranked #24 because of its Google rating and trade focus: 5.0★ from 25 Google reviews, listed on Google as “Swimming pool contractor”.

    • 5.0★ from 25 Google reviews
    Hours
    Mon–Fri 8 AM–9 PM · Sat–Sun 10 AM–7 PM
    Address
    970 Waverly Ave, Holtsville, NY 11742

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 426 ranked pool builders here; the rest are on their profiles.

pool builders in Mount Sinai, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26The Pool Buddy565.0★ (21)8 mi
27Long Island Pool & Spa Service564.7★ (28)19 mi
28M&S Swimming Pools INC.564.6★ (23)5 mi
29Premier Pools & Spas | Long Island564.1★ (64)3 mi
30Luxury Pools Long Island565.0★ (16)6 mi
31Fresh Blue Pools564.9★ (141)23 mi
32Empire Pools, Inc.564.4★ (215)12 mi
33Water's Edge Pool Care565.0★ (30)2 mi
34Safe 'N Clear Pools564.9★ (35)16 mi
35Park Avenue Pools564.4★ (37)8 mi
36Paul Romanelli & Son Pool Service564.6★ (400)13 mi
37ASP - America's Swimming Pool Company564.9★ (44)8 mi
38Arthur Edwards Pool & Spa Centre564.5★ (82)3 mi
39Suffolk NY Pool Services565.0★ (6)7 mi
40Dunrite Pools564.4★ (247)12 mi
41Suffolk County Pool Service565.0★ (15)8 mi
42Neighborhood Pool Service- Suffolk County, NY564.7★ (155)21 mi
43Typhoon Custom Pools564.4★ (102)6 mi
44Lazarus pool Cleanings LLC564.9★ (69)14 mi
45DS Pools Corp.565.0★ (42)12 mi
46Blue Water Pools of Connecticut564.9★ (272)30 mi
47Pool Techniques Inc.565.0★ (108)28 mi
48POOL PRO564.4★ (52)3 mi
49Swim Tech Pool Services564.8★ (84)3 mi
50Sparkle Pool Service554.5★ (117)12 mi

Also serving Mount Sinai

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.

Unranked pool builders serving Mount Sinai
BusinessGoogle ratingDistance
ANM Pools & Fence LLC4.5★ (2)22 mi
Aqua-Qual Swimming Pool Co5.0★ (2)26 mi
BANDERA POOL5.0★ (2)16 mi
Bella Pools & Fence LLC4.5★ (2)26 mi
Blue Haven Pools & Spas5.0★ (2)26 mi
Chituk Pools, LTD5.0★ (2)25 mi
Five Star Pool Liners Islandia3.0★ (2)12 mi
Imperial Gunite5.0★ (2)15 mi
J&R Pools5.0★ (2)9 mi
JM Pool Professionals LLC5.0★ (2)7 mi
Li Pools5.0★ (2)11 mi
Northway Pool Servce3.5★ (2)9 mi
pool solutions3.0★ (2)15 mi
Prestige Swimming Pools3.0★ (2)19 mi
Suffolk Elite Marble Dust1.0★ (2)9 mi
Sun Brite Pool Services Inc5.0★ (2)24 mi
Sunnyside Pools5.0★ (2)21 mi
Swimming Pools By Jack Anthony2.0★ (2)16 mi
Tony’s D and pool service5.0★ (2)22 mi
Z pool boy5.0★ (2)2 mi

How we ranked Mount Sinai pool builders

We scored 426 Mount Sinai 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.

Read the full method: formula, sources and exclusions

CR Score factors and weights
FactorWeightComputed fromIn Mount Sinai data
Reputation25%Google star rating, adjusted for how many reviews back itMeasured
Credentials15%Active state license, bond and workers’ comp on fileNot yet collected
Review volume10%Number of Google reviews, compared with the most-reviewed business on the listMeasured
Recency5%Share of reviews from the last 12 monthsNot yet collected
Availability5%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%How clearly the business does this trade (its Google category and name)Measured
Proximity5%Based in the city scores highest, less the farther away it isMeasured
Claimed profile10%The business has claimed its ContractorsRanked profile (free or paid earn the same)Measured
Partnered5%The business links to ContractorsRanked from its own website with our badge, checked periodicallyMeasured
ContractorsRanked reviews10%Verified customer reviews collected by ContractorsRanked: their rating and how many there areMeasured

Pool builders in Mount Sinai: frequently asked questions

Who is the best pool builder in Mount Sinai?

By CR Score, the highest-ranked pool builder in Mount Sinai, NY is Bob the Diver with a CR Score of 62/100. It has 5.0★ from 364 Google reviews. It is open 7 days a week. Scuba Snak - Swimming Pool Leak Detection (#2) and Long Island Pool Covers (#3) follow. We ranked 426 pool builders on ten factors, last updated November 3, 2026.

How many pool builders are there in Mount Sinai?

ContractorsRanked ranks 426 pool builders serving Mount Sinai, NY. Another 20 within 40 mi are listed but not ranked yet. Counts are as of November 2026.

Which pool builders in Mount Sinai are open 24/7?

34 ranked pool builders in Mount Sinai post 24/7 hours. The highest-ranked are Long Island Pool Covers (#3) and Pool Scuba Diver LLC (#25). Lifeguard LI (#15) also lists emergency service. Hours come from each business's Google listing as of November 2026, so call to confirm.

Which pool builders in Mount Sinai work on weekends?

278 of 426 ranked pool builders post Saturday hours and 105 post Sunday hours. The highest-ranked open Saturdays are Bob the Diver (#1), Scuba Snak - Swimming Pool Leak Detection (#2) and Long Island Pool Covers (#3). Posted hours are office hours; crews may book weekend jobs separately.

What Google rating do Mount Sinai pool builders have?

The median Google rating among 426 rated pool builders in Mount Sinai is 4.6★, with a median of 20 reviews. Island Recreational has the most, 2,882 reviews, and ranks #6. 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 Mount Sinai count in this ranking?

Yes, if they are within 40 mi of the Mount Sinai 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 Mount Sinai

  1. November 2026: CR Scores recalculated for 426 pool builders serving Mount Sinai.
  2. November 2026: 2 duplicate listings merged.

More pool builders and Mount Sinai pages

Other trades in Mount Sinai