57/100CR Score
Ranked #1 because of its Google rating and trade focus: 4.2★ from 278 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Best Pool Builders in Cortland, NY (2026)
25 pool builders ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Cortland: 21st Century Pools & Spas, CR Score 57/100; 4.2★ from 278 Google reviews; open 7 days a week.
- 20
Best for emergencies (open 24/7): Pool Commanders, posts 24/7 hours; ranked #20 of 25.
- 3
Most-reviewed: Pool Surgeons Inc, 282 Google reviews at 4.9★, the most of 25 ranked; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
25 Cortland pool builders are ranked here by CR Score, from ten published factors. 1 is open 24/7, 17 open Saturdays and 6 open Sundays, based on posted hours. The median Google rating is 4.1★ across 25 rated businesses.
Top 10 pool builders in Cortland at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | 21st Century Pools & Spas | 57 | 4.2★ (278) | Binghamton, 36 mi away | Sat · Sun | Overall |
| 2 | Liverpool Pool & Spa Hot Tub Super Center | 57 | 4.6★ (204) | Syracuse, 33 mi away | Sat | — |
| 3 | Pool Surgeons Inc | 57 | 4.9★ (282) | North Syracuse, 37 mi away | — | Most reviews |
| 4 | Hamblin Pools | 55 | 4.8★ (144) | Seneca Falls, 39 mi away | Sat | — |
| 5 | Tarson Pools & Spas | 55 | 3.5★ (24) | Cortland | — | — |
| 6 | Coral Isle Pools & Spas | 54 | 4.4★ (151) | Endicott, 36 mi away | Sat | — |
| 7 | Tarson Pools & Spas | 53 | 4.0★ (179) | North Syracuse, 36 mi away | Sat | — |
| 8 | Joe's pool repairs | 52 | 5.0★ (3) | Cortland | Sat | — |
| 9 | Cool Waters Pool and Spa | 52 | 4.2★ (91) | Syracuse, 38 mi away | Sat | — |
| 10 | Aqua Brothers Services, LLC | 52 | 3.1★ (36) | Brighton, 23 mi away | Sat · Sun | — |
The 25 best pool builders in Cortland, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Based in Syracuse, 33 mi away
57/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.6★ from 204 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in North Syracuse, 37 mi away
57/100CR ScoreRanked #3 because of its Google rating and review volume: 4.9★ from 282 Google reviews, the most in Cortland.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Seneca Falls, 39 mi away
55/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.8★ from 144 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Cortland
55/100CR ScoreRanked #5 because of its Google rating and trade focus: 3.5★ from 24 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Endicott, 36 mi away
54/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.4★ from 151 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in North Syracuse, 36 mi away
53/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.0★ from 179 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Cortland
52/100CR ScoreRanked #8 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Syracuse, 38 mi away
52/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.2★ from 91 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Brighton, 23 mi away
52/100CR ScoreRanked #10 because of its Google rating and trade focus: 3.1★ from 36 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Syracuse, 33 mi away
51/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.0★ from 52 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#12 Ithaca Pools
Based in Ithaca, 21 mi away
51/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.7★ from 14 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Endicott, 35 mi away
51/100CR ScoreRanked #13 because of its Google rating and trade focus: 3.3★ from 122 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#14 Parimutuel Pools
Based in Rensselaer, 23 mi away
51/100CR ScoreRanked #14 because of its Google rating and trade focus: 3.7★ from 19 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#15 Pool Dogz
Based in Binghamton, 33 mi away
50/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.1★ from 11 Google reviews, listed on Google as “Swimming pool repair service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#16 Clean All CNY
Based in Syracuse, 28 mi away
50/100CR ScoreRanked #16 because of its Google rating and trade focus: 3.2★ from 23 Google reviews, listed on Google as “Swimming pool repair service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#17 Stiles Pool Inc
Based in Syracuse, 32 mi away
50/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.1★ from 25 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Syracuse, 31 mi away
50/100CR ScoreRanked #18 because of its Google rating and trade focus: 3.7★ from 48 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Syracuse, 29 mi away
49/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.4★ from 9 Google reviews, listed on Google as “Swimming pool repair service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
#20 Pool Commanders
Based in Binghamton, 38 mi away
49/100CR ScoreRanked #20 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Swimming pool repair service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Endicott, 35 mi away
47/100CR ScoreRanked #21 because of its Google rating and trade focus: 3.7★ from 6 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Endicott, 29 mi away
45/100CR ScoreRanked #22 because of its Google rating and trade focus: 2.3★ from 3 Google reviews, listed on Google as “Swimming pool repair service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Mattydale, 35 mi away
44/100CR ScoreRanked #23 because of its Google rating and review volume: 4.7★ from 35 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Syracuse, 32 mi away
44/100CR ScoreRanked #24 because of its Google rating and review volume: 4.8★ from 23 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Johnson City, 35 mi away
39/100CR ScoreRanked #25 because of its Google rating and trade focus: 3.5★ from 10 Google reviews, listed on Google as “Landscaper”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Also serving Cortland
7 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 |
|---|---|---|
| Blade Shop Inc | 5.0★ (1) | 32 mi |
| Paradise Pools | 38 mi | |
| Pool Boys | In Cortland | |
| Scuba Unlimited | 31 mi | |
| Tranquility Bay Pool Installations | 32 mi | |
| Tropic Haven Pools | 38 mi | |
| Zippy Pool | 36 mi |
How we ranked Cortland pool builders
We scored 25 Cortland 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 Cortland 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 Cortland: frequently asked questions
Who is the best pool builder in Cortland?
By CR Score, the highest-ranked pool builder in Cortland, NY is 21st Century Pools & Spas with a CR Score of 57/100. It has 4.2★ from 278 Google reviews. It is open 7 days a week. Liverpool Pool & Spa Hot Tub Super Center (#2) and Pool Surgeons Inc (#3) follow. We ranked 25 pool builders on ten factors, last updated November 3, 2026.
How many pool builders are there in Cortland?
ContractorsRanked ranks 25 pool builders serving Cortland, NY. 2 of them are based in Cortland; the rest serve it from nearby towns. Another 7 within 40 mi are listed but not ranked yet. Counts are as of November 2026.
Which pool builders in Cortland are open 24/7?
1 ranked pool builder in Cortland posts 24/7 hours. The highest-ranked is Pool Commanders (#20). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which pool builders in Cortland work on weekends?
17 of 25 ranked pool builders post Saturday hours and 6 post Sunday hours. The highest-ranked open Saturdays are 21st Century Pools & Spas (#1), Liverpool Pool & Spa Hot Tub Super Center (#2) and Hamblin Pools (#4). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Cortland pool builders have?
The median Google rating among 25 rated pool builders in Cortland is 4.1★, with a median of 25 reviews. Pool Surgeons Inc has the most, 282 reviews, and ranks #3. 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 Cortland count in this ranking?
Yes, if they are within 40 mi of the Cortland 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 Cortland
- November 2026: CR Scores recalculated for 25 pool builders serving Cortland.
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