324 pool builders ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Newmarket: PlasterRock Pools - Concrete Pool Surface Experts, CR Score 62/100; 5.0★ from 95 Google reviews; open 7 days a week.
Best for emergencies (open 24/7): Ontario Pool Services, posts 24/7 hours; ranked #2 of 324.
Most-reviewed: International Pool & Spa Centres, 650 Google reviews at 4.6★, the most of 324 ranked; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
324 Newmarket pool builders are ranked here by CR Score, from ten published factors. 26 are open 24/7, 200 open Saturdays and 96 open Sundays, based on posted hours. The median Google rating is 4.8★ across 324 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | PlasterRock Pools - Concrete Pool Surface Experts | 62 | 5.0★ (95) | Richmond Hill, 11 km away | Sat · Sun · Evenings | Overall |
| 2 | Ontario Pool Services | 61 | 5.0★ (150) | Toronto, 40 km away | 24/7 | Emergencies |
| 3 | International Pool & Spa Centres | 61 | 4.6★ (650) | Barrie, 35 km away | Sat · Sun · Evenings | Most reviews |
| 4 | Diver Dave Pool Leak Detection | 61 | 4.9★ (171) | Milton, 22 km away | — | — |
| 5 | PoolZenia Vaughan - Peace of Mind Pool Care | 60 | 4.8★ (43) | Barrie, 3 km away | Sat · Sun · Evenings | — |
| 6 | Swim Clean Pool Service Inc | 60 | 4.9★ (181) | Vaughan, 26 km away | Sat · Evenings | — |
| 7 | Solar Swim | 59 | 4.9★ (581) | Orangeville, 52 km away | Sat | — |
| 8 | Blue Planet Pool | 59 | 4.8★ (62) | Richmond Hill, 18 km away | Sat · Sun · Evenings | — |
| 9 | Mister Pool | 59 | 5.0★ (46) | Newmarket | Sat | — |
| 10 | PoolZenia Etobicoke - Peace of Mind Pool Care | 59 | 5.0★ (80) | Vaughan, 33 km away | Sat · Sun · Evenings | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Ranked #1 in Newmarket
Based in Richmond Hill, 11 km away
Ranked #1 because of its Google rating and trade focus: 5.0★ from 95 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Toronto, 40 km away
Ranked #2 because of its Google rating and trade focus: 5.0★ from 150 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Barrie, 35 km away
Ranked #3 because of its Google rating and review volume: 4.6★ from 650 Google reviews, the most in Newmarket.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Milton, 22 km away
Ranked #4 because of its Google rating and trade focus: 4.9★ from 171 Google reviews, listed on Google as “Swimming pool repair service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Barrie, 3 km away
Ranked #5 because of its Google rating and trade focus: 4.8★ from 43 Google reviews, listed on Google as “Swimming pool repair service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Vaughan, 26 km away
Ranked #6 because of its Google rating and trade focus: 4.9★ from 181 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Orangeville, 52 km away
Ranked #7 because of its Google rating and trade focus: 4.9★ from 581 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Richmond Hill, 18 km away
Ranked #8 because of its Google rating and trade focus: 4.8★ from 62 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Newmarket
Ranked #9 because of its Google rating and trade focus: 5.0★ from 46 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Vaughan, 33 km away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 80 Google reviews, listed on Google as “Swimming pool repair service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Mississauga, 55 km away
Ranked #11 because of its Google rating and trade focus: 4.9★ from 229 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Oshawa, 49 km away
Ranked #12 because of its Google rating and trade focus: 4.9★ from 373 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Newmarket
Ranked #13 because of its Google rating and trade focus: 4.3★ from 178 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Etobicoke, 43 km away
Ranked #14 because of its Google rating and trade focus: 4.9★ from 59 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Mississauga, 55 km away
Ranked #15 because of its Google rating and trade focus: 4.9★ from 280 Google reviews, listed on Google as “Swimming pool repair service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Keswick, 12 km away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 44 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Vaughan, 21 km away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 39 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Newmarket
Ranked #18 because of its Google rating and trade focus: 3.9★ from 87 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Markham, 25 km away
Ranked #19 because of its Google rating and trade focus: 4.3★ from 120 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Vaughan, 26 km away
Ranked #20 because of its Google rating and trade focus: 4.9★ from 83 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Vaughan, 29 km away
Ranked #21 because of its Google rating and trade focus: 4.5★ from 288 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in East Gwillimbury, 10 km away
Ranked #22 because of its Google rating and trade focus: 4.3★ from 50 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Richmond Hill, 21 km away
Ranked #23 because of its Google rating and trade focus: 5.0★ 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 Concord, 27 km away
Ranked #24 because of its Google rating and trade focus: 4.6★ from 64 Google reviews, listed on Google as “Swimming pool repair service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Aurora, 4 km away
Ranked #25 because of its Google rating and trade focus: 4.7★ from 15 Google reviews, listed on Google as “Swimming pool repair service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#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 324 ranked pool builders here; the rest are on their profiles.
20 more pool builders within 64 km that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.
| Business | Google rating | Distance |
|---|---|---|
| A+ Gunite Pool & Spa Inc. | 5.0★ (2) | 32 km |
| Aqua Plumbing of Newmarket | 5.0★ (4) | In Newmarket |
| Bennett Pools | 5.0★ (2) | 20 km |
| Boluz Gate Repairs Newmarket | 5.0★ (2) | In Newmarket |
| Clear The Way Landscaping Inc | 1.0★ (2) | 30 km |
| Creative Pools | In Newmarket | |
| Four seasons pool | In Newmarket | |
| Giancola Pools | 5.0★ (2) | 37 km |
| Impressions Home Solutions Inc | In Newmarket | |
| Mack Pools | 5.0★ (2) | 18 km |
| Mancuso Pools | 5.0★ (2) | 39 km |
| New Way Interlocking Inc | 5.0★ (2) | 30 km |
| PENTARM GROUP | 5.0★ (2) | 30 km |
| Plumber GTA Of Newmarket | In Newmarket | |
| Pool Company Toronto | In Newmarket | |
| Rosehill Pools | 4.0★ (2) | 15 km |
| Royal Pools And Landscape | 5.0★ (2) | 46 km |
| Seaside Pools & Landscaping Inc. | 3.0★ (2) | 47 km |
| SIA Heating & Cooling Inc. | 5.0★ (31) | In Newmarket |
| Vaughan Landscaping & Construction | 5.0★ (2) | 38 km |
We scored 324 Newmarket 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 Newmarket 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 |