65/100CR Score
Ranked #1 because of its Google rating and review volume: 4.8★ from 1,001 Google reviews, the most in Rotterdam.
Based on 8 of 10 factors; credentials and recency not yet collected.
Best Pool Builders in Rotterdam, NY (2026)
41 pool builders ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Rotterdam: Islander Pools and Spas Inc., CR Score 65/100; 4.8★ from 1,001 Google reviews; open 7 days a week.
- 4
Best for emergencies (open 24/7): Hirsch Pools, posts 24/7 hours; ranked #4 of 41.
- 2
Most-reviewed: Islander Pools & Spas Inc, 375 Google reviews at 4.8★, the most of 41 ranked after Islander Pools and Spas Inc.; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
41 Rotterdam pool builders are ranked here by CR Score, from ten published factors. 5 are open 24/7, 22 open Saturdays and 12 open Sundays, based on posted hours. The median Google rating is 4.4★ across 41 rated businesses.
Most of this list also appears on the Pool builders in Schenectady ranking. See Pool builders in Schenectady
Top 10 pool builders in Rotterdam at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Islander Pools and Spas Inc. | 65 | 4.8★ (1,001) | Albany, 6 mi away | Sat · Sun | Overall |
| 2 | Islander Pools & Spas Inc | 61 | 4.8★ (375) | Ballston Spa, 17 mi away | Sat · Sun | Most reviews |
| 3 | A Frame Imperial Pools | 59 | 4.6★ (165) | Latham, 11 mi away | Sat · Sun | — |
| 4 | Hirsch Pools | 59 | 4.6★ (102) | East Glenville, 18 mi away | 24/7 | Emergencies |
| 5 | Empire Pools & Billiards | 59 | 4.5★ (98) | Albany, 7 mi away | Sat · Sun | — |
| 6 | Alpin Haus Ski Shop, Pools, and Spas | 58 | 4.6★ (303) | Amsterdam, 17 mi away | Sat | — |
| 7 | Casual Living Pools | 57 | 4.6★ (73) | Schenectady, 5 mi away | Sat | — |
| 8 | DelGallo Country Pools | 57 | 4.3★ (122) | Schenectady, 2 mi away | Sat | — |
| 9 | Driftwood Pools & Outdoor Living | 56 | 5.0★ (11) | Albany, 15 mi away | 24/7 | — |
| 10 | Concord Pools & Spas | 56 | 4.1★ (223) | Latham, 11 mi away | Sat | — |
The 41 best pool builders in Rotterdam, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Based in Ballston Spa, 17 mi away
61/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.8★ from 375 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Latham, 11 mi away
59/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.6★ from 165 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#4 Hirsch Pools
Based in East Glenville, 18 mi away
59/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.6★ from 102 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Albany, 7 mi away
59/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.5★ from 98 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Amsterdam, 17 mi away
58/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.6★ from 303 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Schenectady, 5 mi away
57/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.6★ from 73 Google reviews, listed on Google as “Swimming pool repair service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Schenectady, 2 mi away
57/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.3★ from 122 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Albany, 15 mi away
56/100CR ScoreRanked #9 because of its Google rating and trade focus: 5.0★ from 11 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Latham, 11 mi away
56/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.1★ from 223 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Rotterdam
55/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.8★ from 18 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Albany, 13 mi away
55/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.1★ from 8 Google reviews, listed on Google as “Swimming pool repair service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Albany, 9 mi away
55/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.1★ from 22 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#14 MC Pools
Based in Albany, 16 mi away
55/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.9★ from 37 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Latham, 10 mi away
54/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.4★ 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 Queensbury, 37 mi away
54/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.9★ from 49 Google reviews, listed on Google as “Swimming pool repair service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#17 Hydro Pros
Based in Johnstown, 25 mi away
54/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.9★ from 65 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Schenectady, 2 mi away
54/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.1★ from 129 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Saratoga Springs, 22 mi away
53/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.9★ from 26 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#20 Tri-City Pools
Based in Schenectady, 6 mi away
53/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.0★ from 51 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#21 Wolfe Pools
Based in Albany, 12 mi away
53/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.3★ from 11 Google reviews, listed on Google as “Swimming pool repair service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hudson, 38 mi away
53/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.7★ from 215 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Rensselaer, 18 mi away
52/100CR ScoreRanked #23 because of its Google rating and trade focus: 4.5★ from 35 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#24 Clearwater pools
Based in Queensbury, 38 mi away
52/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.0★ from 12 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Gloversville, 27 mi away
52/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.4★ from 19 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
How we ranked Rotterdam pool builders
We scored 41 Rotterdam 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 Rotterdam 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 Rotterdam: frequently asked questions
Who is the best pool builder in Rotterdam?
By CR Score, the highest-ranked pool builder in Rotterdam, NY is Islander Pools and Spas Inc. with a CR Score of 65/100. It has 4.8★ from 1,001 Google reviews. It is open 7 days a week. Islander Pools & Spas Inc (#2) and A Frame Imperial Pools (#3) follow. We ranked 41 pool builders on ten factors, last updated November 3, 2026.
How many pool builders are there in Rotterdam?
ContractorsRanked ranks 41 pool builders serving Rotterdam, NY. 1 of them is based in Rotterdam; the rest serve it from nearby towns. Counts are as of November 2026.
Which pool builders in Rotterdam are open 24/7?
5 ranked pool builders in Rotterdam post 24/7 hours. The highest-ranked are Hirsch Pools (#4), Driftwood Pools & Outdoor Living (#9) and Blue Waters Pool Maintenance, Inc. (#12). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which pool builders in Rotterdam work on weekends?
22 of 41 ranked pool builders post Saturday hours and 12 post Sunday hours. The highest-ranked open Saturdays are Islander Pools and Spas Inc. (#1), Islander Pools & Spas Inc (#2) and A Frame Imperial Pools (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Rotterdam pool builders have?
The median Google rating among 41 rated pool builders in Rotterdam is 4.4★, with a median of 49 reviews. Islander Pools and Spas Inc. has the most, 1,001 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 Rotterdam count in this ranking?
Yes, if they are within 40 mi of the Rotterdam 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 Rotterdam
- November 2026: CR Scores recalculated for 41 pool builders serving Rotterdam.
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