57/100CR Score
Ranked #1 because of its Google rating and review volume: 4.2★ from 278 Google reviews, the most in Ithaca.
Based on 8 of 10 factors; credentials and recency not yet collected.
Best Pool Builders in Ithaca, NY (2026)
18 pool builders ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Ithaca: 21st Century Pools & Spas, CR Score 57/100; 4.2★ from 278 Google reviews; open 7 days a week.
- 13
Best for emergencies (open 24/7): Pool Commanders, posts 24/7 hours; ranked #13 of 18.
- 3
Most-reviewed: Coral Isle Pools & Spas, 151 Google reviews at 4.4★, the most of 18 ranked after 21st Century Pools & Spas; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
18 Ithaca pool builders are ranked here by CR Score, from ten published factors. 1 is open 24/7, 10 open Saturdays and 4 open Sundays, based on posted hours. The median Google rating is 4.1★ across 18 rated businesses.
Top 10 pool builders in Ithaca 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 | Hamblin Pools | 55 | 4.8★ (144) | Seneca Falls, 36 mi away | Sat | — |
| 3 | Coral Isle Pools & Spas | 55 | 4.4★ (151) | Endicott, 35 mi away | Sat | Most reviews |
| 4 | Ithaca Pools | 54 | 4.7★ (14) | Ithaca | Sat | — |
| 5 | Stuart's Pools | 52 | 4.1★ (26) | Horseheads, 23 mi away | — | — |
| 6 | Tarson Pools & Spas | 51 | 3.5★ (24) | Cortland, 18 mi away | — | — |
| 7 | Mr Bill's Pools & Spas | 51 | 3.3★ (122) | Endicott, 33 mi away | Sat · Sun | — |
| 8 | Tarson Pools & Spas | 50 | 4.1★ (42) | Waterloo, 38 mi away | — | — |
| 9 | HB Pools | 50 | 5.0★ (15) | Rochester, 37 mi away | Sat | — |
| 10 | YWL Pools and Spas | 50 | 5.0★ (28) | Elmira, 38 mi away | — | — |
The 18 best pool builders in Ithaca, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Based in Seneca Falls, 36 mi away
55/100CR ScoreRanked #2 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 Endicott, 35 mi away
55/100CR ScoreRanked #3 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.
#4 Ithaca Pools
Based in Ithaca
54/100CR ScoreRanked #4 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 Horseheads, 23 mi away
52/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.1★ from 26 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Cortland, 18 mi away
51/100CR ScoreRanked #6 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, 33 mi away
51/100CR ScoreRanked #7 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.
Based in Waterloo, 38 mi away
50/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.1★ from 42 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
#9 HB Pools
Based in Rochester, 37 mi away
50/100CR ScoreRanked #9 because of its Google rating and trade focus: 5.0★ from 15 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Elmira, 38 mi away
50/100CR ScoreRanked #10 because of its Google rating and trade focus: 5.0★ from 28 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#11 Pool Dogz
Based in Binghamton, 38 mi away
49/100CR ScoreRanked #11 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.
Based in Elmira, 27 mi away
49/100CR ScoreRanked #12 because of its Google rating and trade focus: 3.9★ from 12 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
#13 Pool Commanders
Based in Binghamton, 38 mi away
49/100CR ScoreRanked #13 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 Cortland, 18 mi away
49/100CR ScoreRanked #14 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 Endicott, 32 mi away
47/100CR ScoreRanked #15 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, 32 mi away
44/100CR ScoreRanked #16 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 Southport, 36 mi away
39/100CR ScoreRanked #17 because of its Google rating and trade focus: 3.5★ from 4 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Johnson City, 35 mi away
39/100CR ScoreRanked #18 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 Ithaca
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) | 36 mi |
| clearwater pool and spas | 29 mi | |
| Manchester Contracting | 5.0★ (1) | 34 mi |
| Pool Boys | 20 mi | |
| Redman Pools | 5.0★ (1) | 40 mi |
| Tropic Haven Pools | 40 mi | |
| Zippy Pool | 34 mi |
How we ranked Ithaca pool builders
We scored 18 Ithaca 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 Ithaca 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 Ithaca: frequently asked questions
Who is the best pool builder in Ithaca?
By CR Score, the highest-ranked pool builder in Ithaca, 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. Hamblin Pools (#2) and Coral Isle Pools & Spas (#3) follow. We ranked 18 pool builders on ten factors, last updated November 3, 2026.
How many pool builders are there in Ithaca?
ContractorsRanked ranks 18 pool builders serving Ithaca, NY. 1 of them is based in Ithaca; 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 Ithaca are open 24/7?
1 ranked pool builder in Ithaca posts 24/7 hours. The highest-ranked is Pool Commanders (#13). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which pool builders in Ithaca work on weekends?
10 of 18 ranked pool builders post Saturday hours and 4 post Sunday hours. The highest-ranked open Saturdays are 21st Century Pools & Spas (#1), Hamblin Pools (#2) and Coral Isle Pools & Spas (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Ithaca pool builders have?
The median Google rating among 18 rated pool builders in Ithaca is 4.1★, with a median of 15 reviews. 21st Century Pools & Spas has the most, 278 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 Ithaca count in this ranking?
Yes, if they are within 40 mi of the Ithaca 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 Ithaca
- November 2026: CR Scores recalculated for 18 pool builders serving Ithaca.
More pool builders and Ithaca pages
Pool builders near Ithaca
- Pool builders in Cortland, NY25 ranked
- Pool builders in Elmira, NY7 ranked
- Pool builders in Endicott, NY15 ranked
- Pool builders in Endwell, NY15 ranked
- Pool builders in Auburn, NY23 ranked
- Pool builders in Corning, NY5 ranked
- Pool builders in Johnson City, NY12 ranked
- Pool builders in Binghamton, NY12 ranked
- Pool builders in Geneva, NY24 ranked
- Pool builders in Fairmount, NY23 ranked
Other trades in Ithaca
- Roofers in Ithaca70 ranked
- Plumbers in Ithaca15 ranked
- Electricians in Ithaca21 ranked
- HVAC contractors in Ithaca23 ranked
- General contractors in Ithaca26 ranked
- Painters in Ithaca5 ranked
- Landscapers in Ithaca7 ranked
- Handymen in Ithaca9 ranked
- Kitchen remodelers in Ithaca14 ranked
- Bathroom remodelers in Ithaca13 ranked
- Flooring contractors in Ithaca13 ranked
- Concrete contractors in Ithaca9 ranked
- Fence contractors in Ithaca5 ranked
- Deck builders in Ithaca5 ranked
- Siding contractors in Ithaca35 ranked
- Window installers in Ithaca31 ranked
- Gutter installers in Ithaca7 ranked
- Insulation contractors in Ithaca5 ranked
- Solar installers in Ithaca8 ranked
- Foundation repair companies in Ithaca9 ranked
- Tree services in Ithaca12 ranked
- Masonry contractors in Ithaca5 ranked
- Water damage restoration companies in Ithaca26 ranked
- Home builders in Ithaca21 ranked
- Paving contractors in Ithaca12 ranked
- Excavating contractors in Ithaca11 ranked
- All contractors in Ithaca