59/100CR Score
Ranked #1 because of its Google rating and trade focus: 4.7★ from 49 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 O'Fallon, MO (2026)
108 pool builders ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in O'Fallon: Reflections Pool Services, CR Score 59/100; 4.7★ from 49 Google reviews; open 7 days a week.
- 2
Best for emergencies (open 24/7): A Z Solutions LLC, posts 24/7 hours; ranked #2 of 108.
- 15
Most-reviewed: Two Men and a Spa Dolly, 418 Google reviews at 4.4★, the most of 108 ranked; ranked #15.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
108 O'Fallon pool builders are ranked here by CR Score, from ten published factors. 6 are open 24/7, 45 open Saturdays and 17 open Sundays, based on posted hours. The median Google rating is 4.5★ across 108 rated businesses.
Top 10 pool builders in O'Fallon at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Reflections Pool Services | 59 | 4.7★ (49) | Saint Peters, 7 mi away | Sat · Sun · Evenings | Overall |
| 2 | A Z Solutions LLC | 58 | 4.8★ (135) | O'Fallon | 24/7 | Emergencies |
| 3 | R & S Pool & Spa | 58 | 4.6★ (385) | Maryland Heights, 16 mi away | — | — |
| 4 | Show Me State Pressure & Softwashing | 58 | 5.0★ (125) | Wentzville, 6 mi away | 24/7 | — |
| 5 | Florida Pool & Spa | 58 | 4.7★ (264) | Maryland Heights, 16 mi away | — | — |
| 6 | River Pools St. Louis | 58 | 4.8★ (34) | O'Fallon | Sat | — |
| 7 | Prestige Pools & Spas | 57 | 4.5★ (227) | St. Louis, 24 mi away | Sat | — |
| 8 | Blue Haven Pools & Spas | 57 | 4.5★ (108) | Saint Peters, 3 mi away | — | — |
| 9 | St. Charles Pool Builders | 56 | 5.0★ (10) | St. Louis, 13 mi away | 24/7 | — |
| 10 | Vickscapes Pools & more | 56 | 5.0★ (14) | O'Fallon | Sat · Evenings | — |
The 108 best pool builders in O'Fallon, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Based in O'Fallon
58/100CR ScoreRanked #2 because of its Google rating and review volume: 4.8★ from 135 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Maryland Heights, 16 mi away
58/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.6★ from 385 Google reviews, listed on Google as “Swimming pool repair service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Wentzville, 6 mi away
58/100CR ScoreRanked #4 because of its Google rating and review volume: 5.0★ from 125 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Maryland Heights, 16 mi away
58/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.7★ from 264 Google reviews, listed on Google as “Swimming pool repair service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in O'Fallon
58/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.8★ from 34 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in St. Louis, 24 mi away
57/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.5★ from 227 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Saint Peters, 3 mi away
57/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.5★ from 108 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in St. Louis, 13 mi away
56/100CR ScoreRanked #9 because of its Google rating and trade focus: 5.0★ from 10 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in O'Fallon
56/100CR ScoreRanked #10 because of its Google rating and trade focus: 5.0★ from 14 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#11 The Pool Guys
Based in Troy, 17 mi away
56/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.6★ from 78 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Saint Peters, 7 mi away
56/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.1★ from 60 Google reviews, listed on Google as “Swimming pool repair service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#13 Elevate Pools
Based in O'Fallon
56/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.5★ from 42 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in O'Fallon
55/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.2★ from 69 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Arnold, 28 mi away
55/100CR ScoreRanked #15 because of its Google rating and review volume: 4.4★ from 418 Google reviews, the most in O'Fallon.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chesterfield, 10 mi away
55/100CR ScoreRanked #16 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Saint Charles, 10 mi away
55/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.2★ from 126 Google reviews, listed on Google as “Swimming pool repair service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in O'Fallon
55/100CR ScoreRanked #18 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#19 Wave Scapes LLC
Based in O'Fallon
55/100CR ScoreRanked #19 because of its Google rating and trade focus: 3.7★ from 6 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chesterfield, 17 mi away
55/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.7★ from 14 Google reviews, listed on Google as “Swimming pool repair service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in O'Fallon
54/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.8★ from 21 Google reviews, listed on Google as “Swimming pool repair service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in St. Louis, 20 mi away
54/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.0★ from 102 Google reviews, listed on Google as “Swimming pool repair service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#23 Luxe Pool & Spa
Based in Wentzville, 6 mi away
54/100CR ScoreRanked #23 because of its Google rating and trade focus: 4.8★ from 23 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Granite City, 33 mi away
54/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.4★ from 92 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Kirkwood, 22 mi away
54/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.5★ from 8 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Pool builders ranked #26 to #50
#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 108 ranked pool builders here; the rest are on their profiles.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Pro Pool Inc | 54 | 3.6★ (36) | 17 mi |
| 27 | Worthy Pool Contracting | 53 | 5.0★ (14) | 17 mi |
| 28 | Backyard Dreams | 53 | 4.4★ (75) | 31 mi |
| 29 | Premier Pools & Spas | St. Louis | 53 | 2.9★ (28) | 10 mi |
| 30 | Paradise Pools | 53 | 4.2★ (31) | 19 mi |
| 31 | Excel landscaping | 53 | 5.0★ (65) | 17 mi |
| 32 | Schilli Plastering Co. | 53 | 4.6★ (32) | 14 mi |
| 33 | R & R Fiberglass Pools | 53 | 4.0★ (28) | 4 mi |
| 34 | Accurate Pool and Landscape, LLC. | 53 | 5.0★ (16) | 23 mi |
| 35 | Aqua Luxe Outdoors | 53 | 5.0★ (8) | 11 mi |
| 36 | Pool Cover Depot | 52 | 5.0★ (20) | 19 mi |
| 37 | Leslie's Pool Supplies | 52 | 3.6★ (45) | 17 mi |
| 38 | Baker Pool Construction | 52 | 4.6★ (16) | 11 mi |
| 39 | Ozark Pool & Spa | 52 | 4.7★ (21) | 24 mi |
| 40 | Pool Specialists Inc | 52 | 4.4★ (28) | 17 mi |
| 41 | Solid Ground | 52 | 5.0★ (52) | 10 mi |
| 42 | WATERCOLOR POOLS STL | 52 | 5.0★ (16) | 17 mi |
| 43 | Ryan Ballheimer Landscape Design | 51 | 5.0★ (40) | 18 mi |
| 44 | T. Chaney Pool Services | 51 | 2.9★ (22) | 21 mi |
| 45 | Quiet Village Landscaping | 51 | 4.7★ (259) | 19 mi |
| 46 | Leslie's Pool Supplies | 51 | 3.9★ (59) | 29 mi |
| 47 | Max-Q Services | 51 | 5.0★ (8) | 20 mi |
| 48 | Midwest Pool Management | 51 | 3.7★ (50) | 13 mi |
| 49 | Pinnacle Pools & Spas | 51 | 4.6★ (10) | 10 mi |
| 50 | Advanced Pool & Spa | 51 | 4.0★ (75) | 26 mi |
Also serving O'Fallon
20 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 |
|---|---|---|
| Caribbean Clear Inc | 3.0★ (2) | 24 mi |
| Champion Pools | 5.0★ (2) | 15 mi |
| Edmiston Elite Pools | 5.0★ (2) | 18 mi |
| Eisenhart Pool Solutions LLC | In O'Fallon | |
| Elite Pools Inc | 3.0★ (2) | 27 mi |
| Grabenhorst Grading | 4.9★ (8) | In O'Fallon |
| Limitless Pools | In O'Fallon | |
| Luxe Pool & Spa | 5.0★ (1) | In O'Fallon |
| Meramec Pools & Outdoors | 5.0★ (2) | 16 mi |
| Missouri Constructors | 3.0★ (2) | In O'Fallon |
| Natural pool scapes | In O'Fallon | |
| Nelson Land & Pools | 5.0★ (1) | In O'Fallon |
| Odyssey Pool & Spa | 3.0★ (2) | 17 mi |
| Pinnacle Pools and Spas | In O'Fallon | |
| Pool Care Solutions llc | 5.0★ (2) | 27 mi |
| PoolReady STL West | 5.0★ (2) | 23 mi |
| Squire's Plastering Co | 1.0★ (2) | 28 mi |
| St. Louis Pool Installers | 5.0★ (2) | 27 mi |
| TurfGuys | In O'Fallon | |
| Waters Edge Pools, LLC | 5.0★ (2) | 10 mi |
How we ranked O'Fallon pool builders
We scored 108 O'Fallon 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 O'Fallon 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 O'Fallon: frequently asked questions
Who is the best pool builder in O'Fallon?
By CR Score, the highest-ranked pool builder in O'Fallon, MO is Reflections Pool Services with a CR Score of 59/100. It has 4.7★ from 49 Google reviews. It is open 7 days a week. A Z Solutions LLC (#2) and R & S Pool & Spa (#3) follow. We ranked 108 pool builders on ten factors, last updated November 3, 2026.
How many pool builders are there in O'Fallon?
ContractorsRanked ranks 108 pool builders serving O'Fallon, MO. 8 of them are based in O'Fallon; the rest serve it from nearby towns. Another 20 within 40 mi are listed but not ranked yet. Counts are as of November 2026.
Which pool builders in O'Fallon are open 24/7?
6 ranked pool builders in O'Fallon post 24/7 hours. The highest-ranked are A Z Solutions LLC (#2), Show Me State Pressure & Softwashing (#4) and St. Charles Pool Builders (#9). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which pool builders in O'Fallon work on weekends?
45 of 108 ranked pool builders post Saturday hours and 17 post Sunday hours. The highest-ranked open Saturdays are Reflections Pool Services (#1), A Z Solutions LLC (#2) and Show Me State Pressure & Softwashing (#4). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do O'Fallon pool builders have?
The median Google rating among 108 rated pool builders in O'Fallon is 4.5★, with a median of 19 reviews. Two Men and a Spa Dolly has the most, 418 reviews, and ranks #15. 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 O'Fallon count in this ranking?
Yes, if they are within 40 mi of the O'Fallon 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 O'Fallon
- November 2026: CR Scores recalculated for 108 pool builders serving O'Fallon.
- November 2026: 1 duplicate listing merged.
More pool builders and O'Fallon pages
Pool builders near O'Fallon
- Pool builders in Dardenne Prairie, MO107 ranked
- Pool builders in Saint Peters, MO110 ranked
- Pool builders in Lake Saint Louis, MO99 ranked
- Pool builders in Wentzville, MO91 ranked
- Pool builders in Saint Charles, MO119 ranked
- Pool builders in Chesterfield, MO121 ranked
- Pool builders in Bridgeton, MO120 ranked
- Pool builders in Wildwood, MO114 ranked
- Pool builders in Maryland Heights, MO121 ranked
- Pool builders in Ballwin, MO121 ranked
Other trades in O'Fallon
- Roofers in O'Fallon650 ranked
- Plumbers in O'Fallon218 ranked
- Electricians in O'Fallon176 ranked
- HVAC contractors in O'Fallon304 ranked
- General contractors in O'Fallon411 ranked
- Painters in O'Fallon126 ranked
- Landscapers in O'Fallon170 ranked
- Handymen in O'Fallon64 ranked
- Kitchen remodelers in O'Fallon267 ranked
- Bathroom remodelers in O'Fallon267 ranked
- Flooring contractors in O'Fallon199 ranked
- Tile installers in O'Fallon42 ranked
- Drywall contractors in O'Fallon17 ranked
- Concrete contractors in O'Fallon192 ranked
- Fence contractors in O'Fallon82 ranked
- Deck builders in O'Fallon155 ranked
- Siding contractors in O'Fallon275 ranked
- Window installers in O'Fallon187 ranked
- Gutter installers in O'Fallon176 ranked
- Insulation contractors in O'Fallon42 ranked
- Solar installers in O'Fallon53 ranked
- Garage door repair companies in O'Fallon79 ranked
- Foundation repair companies in O'Fallon75 ranked
- Tree services in O'Fallon198 ranked
- Masonry contractors in O'Fallon98 ranked
- Water damage restoration companies in O'Fallon243 ranked
- Home builders in O'Fallon235 ranked
- Demolition contractors in O'Fallon41 ranked
- Window cleaners in O'Fallon39 ranked
- Pressure washing companies in O'Fallon86 ranked
- Pest control companies in O'Fallon111 ranked
- Paving contractors in O'Fallon76 ranked
- Auto glass repair shops in O'Fallon79 ranked
- Septic service companies in O'Fallon38 ranked
- Excavating contractors in O'Fallon66 ranked
- All contractors in O'Fallon