64/100CR Score
Ranked #1 because of its Google rating and trade focus: 4.9★ from 346 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 Sarnia, ON (2026)
24 pool builders ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Sarnia: Blue Water Pool Services, CR Score 64/100; 4.9★ from 346 Google reviews; open Saturdays until 1 PM.
- 4
Best for emergencies (open 24/7): ASP - America's Swimming Pool Company of Troy, posts 24/7 hours; ranked #4 of 24.
- 2
Most-reviewed: Crystal Clear Pools & Spas, 380 Google reviews at 4.9★, the most of 24 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
24 Sarnia pool builders are ranked here by CR Score, from ten published factors. 3 are open 24/7, 16 open Saturdays and 9 open Sundays, based on posted hours. The median Google rating is 4.5★ across 24 rated businesses.
Top 10 pool builders in Sarnia at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Blue Water Pool Services | 64 | 4.9★ (346) | Port Huron, 5 km away | Sat | Overall |
| 2 | Crystal Clear Pools & Spas | 61 | 4.9★ (380) | Mount Clemens, 54 km away | Sat · Sun · Evenings | Most reviews |
| 3 | Rock Solid Pools | 58 | 5.0★ (22) | Sarnia | Sat · Evenings | — |
| 4 | ASP - America's Swimming Pool Company of Troy | 57 | 4.9★ (47) | Clinton Township, 54 km away | 24/7 | Emergencies |
| 5 | The Pool Guys LLC | 57 | 4.5★ (316) | Sterling Heights, 51 km away | Sat · Evenings | — |
| 6 | The Pool Leak Guy | 57 | 5.0★ (58) | Auburn Hills, 51 km away | Sat · Sun | — |
| 7 | Beninati Hot Tubs and Swim Spas | 57 | 5.0★ (58) | Clinton Township, 54 km away | Sat · Sun · Evenings | — |
| 8 | Wilson Pool Services | 56 | 5.0★ (5) | Sarnia | Sat · Sun · Evenings | — |
| 9 | Antonelli Landscape | 54 | 4.8★ (114) | Auburn Hills, 51 km away | — | — |
| 10 | Pools & Spas A-Go-Go Inc | 54 | 4.4★ (92) | Sterling Heights, 63 km away | Sat · Sun | — |
The 24 best pool builders in Sarnia, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Based in Mount Clemens, 54 km away
61/100CR ScoreRanked #2 because of its Google rating and review volume: 4.9★ from 380 Google reviews, the most in Sarnia.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sarnia
58/100CR ScoreRanked #3 because of its Google rating and trade focus: 5.0★ from 22 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Clinton Township, 54 km away
57/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.9★ from 47 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sterling Heights, 51 km away
57/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.5★ from 316 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Auburn Hills, 51 km away
57/100CR ScoreRanked #6 because of its Google rating and trade focus: 5.0★ from 58 Google reviews, listed on Google as “Swimming pool repair service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Clinton Township, 54 km away
57/100CR ScoreRanked #7 because of its Google rating and trade focus: 5.0★ from 58 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sarnia
56/100CR ScoreRanked #8 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Swimming pool repair service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Auburn Hills, 51 km away
54/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.8★ from 114 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sterling Heights, 63 km away
54/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.4★ from 92 Google reviews, listed on Google as “Swimming pool repair service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sterling Heights, 53 km away
54/100CR ScoreRanked #11 because of its Google rating and trade focus: 3.9★ from 29 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Troy, 60 km away
54/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.9★ 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 Mount Clemens, 57 km away
52/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.5★ from 64 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in New Baltimore, 37 km away
52/100CR ScoreRanked #14 because of its Google rating and review volume: 4.4★ from 173 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sarnia
51/100CR ScoreRanked #15 because of its Google rating and review volume: 4.4★ from 108 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Clinton Township, 62 km away
51/100CR ScoreRanked #16 because of its Google rating and trade focus: 3.9★ from 97 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Mount Clemens, 57 km away
51/100CR ScoreRanked #17 because of its Google rating and trade focus: 3.7★ from 3 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#18 Pure Water Pools
Based in Clinton Township, 60 km away
49/100CR ScoreRanked #18 because of its Google rating and trade focus: 3.5★ 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 Clinton Township, 56 km away
49/100CR ScoreRanked #19 because of its Google rating and review volume: 3.9★ from 247 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chatham, 63 km away
47/100CR ScoreRanked #20 because of its Google rating and review volume: 4.6★ from 82 Google reviews.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Sarnia
47/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.1★ from 10 Google reviews, listed on Google as “Construction company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sarnia
47/100CR ScoreRanked #22 because of its Google rating and review volume: 3.6★ from 26 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sterling Heights, 59 km away
46/100CR ScoreRanked #23 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.
#24 Legacy Landscape
Based in Clinton Township, 56 km away
44/100CR ScoreRanked #24 because of its Google rating and review volume: 4.6★ from 31 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Also serving Sarnia
3 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 |
|---|---|---|
| Five Star Pool Liners Romeo | 52 km | |
| Precision Pool Services | 3.0★ (2) | 63 km |
| Tim's Clear Water Pools | 54 km |
How we ranked Sarnia pool builders
We scored 24 Sarnia 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 Sarnia 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 Sarnia: frequently asked questions
Who is the best pool builder in Sarnia?
By CR Score, the highest-ranked pool builder in Sarnia, ON is Blue Water Pool Services with a CR Score of 64/100. It has 4.9★ from 346 Google reviews. It is open Saturdays until 1 PM. Crystal Clear Pools & Spas (#2) and Rock Solid Pools (#3) follow. We ranked 24 pool builders on ten factors, last updated November 3, 2026.
How many pool builders are there in Sarnia?
ContractorsRanked ranks 24 pool builders serving Sarnia, ON. 5 of them are based in Sarnia; the rest serve it from nearby towns. Another 3 within 64 km are listed but not ranked yet. Counts are as of November 2026.
Which pool builders in Sarnia are open 24/7?
3 ranked pool builders in Sarnia post 24/7 hours. The highest-ranked are ASP - America's Swimming Pool Company of Troy (#4), Genie's Pool Service LLC (#11) and Macomb County Inground Pools | Fiberglass, Vinyl Liner and Gunite Pool Installation - (#17). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which pool builders in Sarnia work on weekends?
16 of 24 ranked pool builders post Saturday hours and 9 post Sunday hours. The highest-ranked open Saturdays are Blue Water Pool Services (#1), Crystal Clear Pools & Spas (#2) and Rock Solid Pools (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Sarnia pool builders have?
The median Google rating among 24 rated pool builders in Sarnia is 4.5★, with a median of 58 reviews. Crystal Clear Pools & Spas has the most, 380 reviews, and ranks #2. 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 Sarnia count in this ranking?
Yes, if they are within 64 km of the Sarnia city centre, 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 Sarnia
- November 2026: CR Scores recalculated for 24 pool builders serving Sarnia.
More pool builders and Sarnia pages
Pool builders near Sarnia
- Pool builders in Lambton Shores, ON41 ranked
- Pool builders in Chatham, ON25 ranked
- Pool builders in Windsor, ON135 ranked
- Pool builders in London, ON55 ranked
Other trades in Sarnia
- Roofers in Sarnia134 ranked
- Plumbers in Sarnia48 ranked
- Electricians in Sarnia28 ranked
- HVAC contractors in Sarnia41 ranked
- General contractors in Sarnia64 ranked
- Painters in Sarnia43 ranked
- Landscapers in Sarnia51 ranked
- Handymen in Sarnia21 ranked
- Kitchen remodelers in Sarnia28 ranked
- Bathroom remodelers in Sarnia31 ranked
- Flooring contractors in Sarnia25 ranked
- Tile installers in Sarnia10 ranked
- Concrete contractors in Sarnia39 ranked
- Fence contractors in Sarnia22 ranked
- Deck builders in Sarnia24 ranked
- Siding contractors in Sarnia65 ranked
- Window installers in Sarnia51 ranked
- Gutter installers in Sarnia28 ranked
- Insulation contractors in Sarnia12 ranked
- Solar installers in Sarnia8 ranked
- Garage door repair companies in Sarnia15 ranked
- Foundation repair companies in Sarnia23 ranked
- Tree services in Sarnia29 ranked
- Masonry contractors in Sarnia19 ranked
- Water damage restoration companies in Sarnia69 ranked
- Home builders in Sarnia44 ranked
- Demolition contractors in Sarnia9 ranked
- Window cleaners in Sarnia11 ranked
- Pressure washing companies in Sarnia20 ranked
- Pest control companies in Sarnia8 ranked
- Paving contractors in Sarnia12 ranked
- Auto glass repair shops in Sarnia13 ranked
- Septic service companies in Sarnia15 ranked
- Excavating contractors in Sarnia24 ranked
- All contractors in Sarnia