Ranked #1 in Massena
Based in Cornwall, 10 mi away
62/100CR Score
Ranked #1 because of its Google rating and review volume: 4.4★ from 133 Google reviews, the most in Massena.
Based on 8 of 10 factors; credentials and recency not yet collected.
Best Pool Builders in Massena, NY (2026)
13 pool builders ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Massena: St. Lawrence Pools, Hot Tubs, Outdoor Furniture + Grills, CR Score 62/100; 4.4★ from 133 Google reviews; open 7 days a week.
- 2
Best for emergencies (open 24/7): 360 Pool Care, posts 24/7 hours; ranked #2 of 13.
- 4
Most-reviewed: SummerHaven, 53 Google reviews at 4.5★, the most of 13 ranked after St. Lawrence Pools, Hot Tubs, Outdoor Furniture + Grills; ranked #4.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
13 Massena pool builders are ranked here by CR Score, from ten published factors. 1 is open 24/7, 9 open Saturdays and 4 open Sundays, based on posted hours. The median Google rating is 4.5★ across 13 rated businesses.
Top 10 pool builders in Massena at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | St. Lawrence Pools, Hot Tubs, Outdoor Furniture + Grills | 62 | 4.4★ (133) | Cornwall, 10 mi away | Sat · Sun | Overall |
| 2 | 360 Pool Care | 59 | 4.7★ (26) | Cornwall, 16 mi away | 24/7 | Emergencies |
| 3 | Piscines Campbell Pools | 58 | 4.6★ (47) | Cornwall, 10 mi away | Sat | — |
| 4 | SummerHaven | 57 | 4.5★ (53) | Potsdam, 15 mi away | Sat | Most reviews |
| 5 | Perma Pools | 55 | 4.5★ (32) | Ottawa, 31 mi away | Sat · Sun · Evenings | — |
| 6 | Tropical Pools and Spas | 53 | 4.6★ (39) | Ogdensburg, 34 mi away | Sat | — |
| 7 | Seaway Pools & Patios | 53 | 4.5★ (19) | Cornwall, 10 mi away | — | — |
| 8 | Shank Pools | 50 | 4.6★ (20) | Ottawa, 31 mi away | — | — |
| 9 | Joel Evan Pools | 50 | 4.5★ (28) | Ottawa, 37 mi away | — | — |
| 10 | Advanced Pools and Spas | 50 | 5.0★ (7) | Ogdensburg, 31 mi away | Sat · Evenings | — |
The 13 best pool builders in Massena, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Based in Cornwall, 16 mi away
59/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.7★ from 26 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Cornwall, 10 mi away
58/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.6★ from 47 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#4 SummerHaven
Based in Potsdam, 15 mi away
57/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.5★ from 53 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#5 Perma Pools
Based in Ottawa, 31 mi away
55/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.5★ from 32 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Ogdensburg, 34 mi away
53/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.6★ from 39 Google reviews, listed on Google as “Swimming pool repair service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Cornwall, 10 mi away
53/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.5★ from 19 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#8 Shank Pools
Based in Ottawa, 31 mi away
50/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.6★ from 20 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Ottawa, 37 mi away
50/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.5★ from 28 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Ogdensburg, 31 mi away
50/100CR ScoreRanked #10 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Swimming pool repair service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#11 Pro Pool
Based in Malone, 32 mi away
49/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.4★ from 7 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Massena
48/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.4★ from 10 Google reviews, listed on Google as “Landscaper”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Ottawa, 40 mi away
48/100CR ScoreRanked #13 because of its Google rating and trade focus: 3.9★ from 26 Google reviews, listed on Google as “Landscape architect”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Also serving Massena
4 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 |
|---|---|---|
| Gauthier Pool Services | 5.0★ (2) | 30 mi |
| Lauzon Pools | 5.0★ (1) | 10 mi |
| Master Pool Builders | 5.0★ (1) | 31 mi |
| The Home Depot | 4.2★ (561) | In Massena |
How we ranked Massena pool builders
We scored 13 Massena 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 Massena 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 Massena: frequently asked questions
Who is the best pool builder in Massena?
By CR Score, the highest-ranked pool builder in Massena, NY is St. Lawrence Pools, Hot Tubs, Outdoor Furniture + Grills with a CR Score of 62/100. It has 4.4★ from 133 Google reviews. It is open 7 days a week. 360 Pool Care (#2) and Piscines Campbell Pools (#3) follow. We ranked 13 pool builders on ten factors, last updated November 3, 2026.
How many pool builders are there in Massena?
ContractorsRanked ranks 13 pool builders serving Massena, NY. 1 of them is based in Massena; the rest serve it from nearby towns. Another 4 within 40 mi are listed but not ranked yet. Counts are as of November 2026.
Which pool builders in Massena are open 24/7?
1 ranked pool builder in Massena posts 24/7 hours. The highest-ranked is 360 Pool Care (#2). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which pool builders in Massena work on weekends?
9 of 13 ranked pool builders post Saturday hours and 4 post Sunday hours. The highest-ranked open Saturdays are St. Lawrence Pools, Hot Tubs, Outdoor Furniture + Grills (#1), 360 Pool Care (#2) and Piscines Campbell Pools (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Massena pool builders have?
The median Google rating among 13 rated pool builders in Massena is 4.5★, with a median of 26 reviews. St. Lawrence Pools, Hot Tubs, Outdoor Furniture + Grills has the most, 133 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 Massena count in this ranking?
Yes, if they are within 40 mi of the Massena 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 Massena
- November 2026: CR Scores recalculated for 13 pool builders serving Massena.
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