65/100CR Score
Ranked #1 because of its Google rating and review volume: 4.9★ from 507 Google reviews, the most in Beloit.
Based on 8 of 10 factors; credentials and recency not yet collected.
Best Pool Builders in Beloit, WI (2026)
39 pool builders ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Beloit: Wolter Pools & Spas, CR Score 65/100; 4.9★ from 507 Google reviews; open Saturdays until 3 PM.
- 12
Best for emergencies (open 24/7): Gator's Pool Service LLC, posts 24/7 hours; ranked #12 of 39.
- 2
Most-reviewed: Nelson's HomeTowne Recreation, 220 Google reviews at 4.2★, the most of 39 ranked after Wolter Pools & Spas; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
39 Beloit pool builders are ranked here by CR Score, from ten published factors. 3 are open 24/7, 21 open Saturdays and 7 open Sundays, based on posted hours. The median Google rating is 4.7★ across 39 rated businesses.
Top 10 pool builders in Beloit at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Wolter Pools & Spas | 65 | 4.9★ (507) | Beloit | Sat | Overall |
| 2 | Nelson's HomeTowne Recreation | 58 | 4.2★ (220) | Janesville, 15 mi away | Sat · Sun | Most reviews |
| 3 | Sonco Pools & Spas | 58 | 4.7★ (131) | Machesney Park, 12 mi away | Sat | — |
| 4 | Oasis Pool Water | 58 | 5.0★ (18) | South Beloit, 4 mi away | Sat · Sun · Evenings | — |
| 5 | Rockford Pool & Spa | 58 | 4.6★ (126) | Loves Park, 12 mi away | Sat | — |
| 6 | H2O Express - Bulk Water Delivery | 56 | 4.9★ (77) | Freeport, 33 mi away | — | — |
| 7 | Hot Tub Tony'z | 56 | 4.1★ (106) | Loves Park, 13 mi away | Sat | — |
| 8 | Make A Splash Pools & Spas | 55 | 4.9★ (29) | Rockford, 19 mi away | — | — |
| 9 | The Spa Shop | 55 | 4.9★ (73) | Belvidere, 21 mi away | — | — |
| 10 | Absolute Water Spas & Pools | 54 | 4.2★ (20) | Roscoe, 6 mi away | Sat | — |
The 39 best pool builders in Beloit, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Based in Janesville, 15 mi away
58/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.2★ from 220 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Machesney Park, 12 mi away
58/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.7★ from 131 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in South Beloit, 4 mi away
58/100CR ScoreRanked #4 because of its Google rating and trade focus: 5.0★ from 18 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Loves Park, 12 mi away
58/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.6★ from 126 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Freeport, 33 mi away
56/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.9★ from 77 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Loves Park, 13 mi away
56/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.1★ from 106 Google reviews, listed on Google as “Swimming pool repair service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Rockford, 19 mi away
55/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.9★ from 29 Google reviews, listed on Google as “Swimming pool repair service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
#9 The Spa Shop
Based in Belvidere, 21 mi away
55/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.9★ from 73 Google reviews, listed on Google as “Swimming pool repair service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Roscoe, 6 mi away
54/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.2★ from 20 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#11 Poolside Pros
Based in Loves Park, 13 mi away
54/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.0★ from 85 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Machesney Park, 12 mi away
54/100CR ScoreRanked #12 because of its Google rating and trade focus: 3.2★ 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 Oregon, 33 mi away
52/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.0★ from 137 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Rockford, 19 mi away
52/100CR ScoreRanked #14 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#15 JnT Pool Service
Based in Rockford, 31 mi away
52/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.3★ from 26 Google reviews, listed on Google as “Swimming pool repair service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Rockford, 18 mi away
52/100CR ScoreRanked #16 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.
Based in Woodstock, 31 mi away
51/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.0★ from 56 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in McHenry, 40 mi away
51/100CR ScoreRanked #18 because of its Google rating and review volume: 4.5★ from 86 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
#19 DeepSplash Pools
Based in McHenry, 40 mi away
50/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.6★ from 10 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#20 Meechs Beaches
Based in Crystal Lake, 40 mi away
50/100CR ScoreRanked #20 because of its Google rating and trade focus: 5.0★ from 30 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#21 Kingfisher Pools
Based in Elgin, 36 mi away
50/100CR ScoreRanked #21 because of its Google rating and trade focus: 5.0★ from 26 Google reviews, listed on Google as “Swimming pool repair service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Janesville, 14 mi away
50/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.5★ 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 Antioch, 37 mi away
50/100CR ScoreRanked #23 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.
#24 Mammoth Pools
Based in Johnsburg, 40 mi away
49/100CR ScoreRanked #24 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 Genoa, 35 mi away
49/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.7★ from 7 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
All 39 pool builders
#1 to #25 are shown in full above. Here are #26 to #39, in CR Score order; each links to its profile.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | PBK Mechanical Services | 49 | 5.0★ (17) | 31 mi |
| 27 | South Central Landscapes LLC | 49 | 4.9★ (108) | 28 mi |
| 28 | Lake Geneva Pool And Spa | 49 | 4.4★ (29) | 38 mi |
| 29 | Pool Boy Fiberglass Pools | 48 | 3.3★ (3) | 25 mi |
| 30 | Sunrise Pool Builders, Inc. | 48 | 3.0★ (10) | 20 mi |
| 31 | Schneider Snow Plowing and Lawn Care | 48 | 4.9★ (40) | 16 mi |
| 32 | Pooltopia and Spas | 48 | 5.0★ (8) | 32 mi |
| 33 | Nierman Landscape & Design | 47 | 5.0★ (33) | 31 mi |
| 34 | Farwell Pools & Spas | 47 | 3.9★ (27) | 39 mi |
| 35 | SwingnSplash | 47 | 3.9★ (36) | 35 mi |
| 36 | Lifestyle Concepts | 47 | 4.8★ (8) | 40 mi |
| 37 | Sondgeroth Pool Construction LLC | 46 | 5.0★ (6) | 40 mi |
| 38 | Crimson Valley Landscaping | 44 | 3.8★ (21) | 17 mi |
| 39 | Pinnacle Masonry | 40 | 5.0★ (4) | 37 mi |
Also serving Beloit
14 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 |
|---|---|---|
| Aqua Express | 5.0★ (1) | 37 mi |
| Aquapoolscapes Inc. | 27 mi | |
| Avatar Pools & Spa Inc | 19 mi | |
| Classic Pools, Inc. | 35 mi | |
| Clearview Pools Inc. | 5.0★ (2) | 2 mi |
| JJ Hayden Inc. | 36 mi | |
| LuxeCare | 1.5★ (2) | 12 mi |
| Madison Pool Services LLC | 35 mi | |
| Pools and Liners Plus | 31 mi | |
| PoolScapes Midwest | 1.5★ (2) | 37 mi |
| Pristine Pools LLC | 31 mi | |
| Quality Pool & Spa Service LLC | 3.0★ (2) | 28 mi |
| RC landscaping & masonry | In Beloit | |
| Roenneburg Pool Services | 14 mi |
How we ranked Beloit pool builders
We scored 39 Beloit 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 Beloit 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 Beloit: frequently asked questions
Who is the best pool builder in Beloit?
By CR Score, the highest-ranked pool builder in Beloit, WI is Wolter Pools & Spas with a CR Score of 65/100. It has 4.9★ from 507 Google reviews. It is open Saturdays until 3 PM. Nelson's HomeTowne Recreation (#2) and Sonco Pools & Spas (#3) follow. We ranked 39 pool builders on ten factors, last updated November 3, 2026.
How many pool builders are there in Beloit?
ContractorsRanked ranks 39 pool builders serving Beloit, WI. 1 of them is based in Beloit; the rest serve it from nearby towns. Another 14 within 40 mi are listed but not ranked yet. Counts are as of November 2026.
Which pool builders in Beloit are open 24/7?
3 ranked pool builders in Beloit post 24/7 hours. The highest-ranked are Gator's Pool Service LLC (#12) and Mammoth Pools (#24). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which pool builders in Beloit work on weekends?
21 of 39 ranked pool builders post Saturday hours and 7 post Sunday hours. The highest-ranked open Saturdays are Wolter Pools & Spas (#1), Nelson's HomeTowne Recreation (#2) and Sonco Pools & Spas (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Beloit pool builders have?
The median Google rating among 39 rated pool builders in Beloit is 4.7★, with a median of 26 reviews. Wolter Pools & Spas has the most, 507 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 Beloit count in this ranking?
Yes, if they are within 40 mi of the Beloit 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 Beloit
- November 2026: CR Scores recalculated for 39 pool builders serving Beloit.
- November 2026: 1 duplicate listing merged.
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