64/100CR Score
Ranked #1 because of its Google rating and trade focus: 4.8★ from 447 Google reviews, listed on Google as “Swimming pool repair service”.
Best Pool Builders in Muscoy, CA (2026)
452 pool builders ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Muscoy: PoolGenX, CR Score 64/100; 4.8★ from 447 Google reviews; open 24/7.
- 5
Best for emergencies (open 24/7): Blue Star pool and Spa Services, posts 24/7 hours; ranked #5 of 452.
- 2
Most-reviewed: Inland Empire Hot Spring Spas, 773 Google reviews at 4.9★, the most of 452 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
452 Muscoy pool builders are ranked here by CR Score, from ten published factors. 48 are open 24/7, 273 open Saturdays and 138 open Sundays, based on posted hours. The median Google rating is 4.8★ across 452 rated businesses.
Most of this list also appears on the Pool builders in San Bernardino ranking. See Pool builders in San Bernardino
Top 10 pool builders in Muscoy at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | PoolGenX | 64 | 4.8★ (447) | Riverside, 18 mi away | 24/7 | Overall |
| 2 | Inland Empire Hot Spring Spas | 63 | 4.9★ (773) | Moreno Valley, 17 mi away | Sat · Sun | Most reviews |
| 3 | VINYL POOL PROS | 61 | 4.9★ (156) | Rancho Cucamonga, 13 mi away | Sat · Sun | — |
| 4 | Tak-It-EZ Pool & Spa | 61 | 4.7★ (125) | Fontana, 6 mi away | Sat · Sun | — |
| 5 | Blue Star pool and Spa Services | 60 | 5.0★ (92) | Big Bear Lake, 26 mi away | 24/7 | Emergencies |
| 6 | Gary's Swimming Pool Supplies | 60 | 4.7★ (220) | Upland, 20 mi away | Sat · Sun | — |
| 7 | Leslie's Pool Supplies | 59 | 4.4★ (104) | San Bernardino, 6 mi away | Sat · Sun | — |
| 8 | Saddleback Mountain pool and spa service | 59 | 5.0★ (253) | Rancho Santa Margarita, 38 mi away | Sat · Sun · Evenings | — |
| 9 | Secard Pools & Spas | 59 | 4.2★ (129) | San Bernardino, 5 mi away | Sat · Sun | — |
| 10 | BENchmark Pool Services | 58 | 5.0★ (63) | Redlands, 18 mi away | Sat · Sun · Evenings | — |
The 452 best pool builders in Muscoy, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Based in Moreno Valley, 17 mi away
63/100CR ScoreRanked #2 because of its Google rating and review volume: 4.9★ from 773 Google reviews, the most in Muscoy.
Based in Rancho Cucamonga, 13 mi away
61/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.9★ from 156 Google reviews, listed on Google as “Swimming pool repair service”.
Based in Fontana, 6 mi away
61/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.7★ from 125 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Big Bear Lake, 26 mi away
60/100CR ScoreRanked #5 because of its Google rating and trade focus: 5.0★ from 92 Google reviews, listed on Google as “Swimming pool repair service”.
Based in Upland, 20 mi away
60/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.7★ from 220 Google reviews, listed on Google as “Swimming pool contractor”.
Based in San Bernardino, 6 mi away
59/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.4★ from 104 Google reviews, listed on Google as “Swimming pool repair service”.
Based in Rancho Santa Margarita, 38 mi away
59/100CR ScoreRanked #8 because of its Google rating and trade focus: 5.0★ from 253 Google reviews, listed on Google as “Swimming pool contractor”.
Based in San Bernardino, 5 mi away
59/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.2★ from 129 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Redlands, 18 mi away
58/100CR ScoreRanked #10 because of its Google rating and trade focus: 5.0★ from 63 Google reviews, listed on Google as “Swimming pool repair service”.
Based in Fontana, 8 mi away
58/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.4★ from 84 Google reviews, listed on Google as “Swimming pool repair service”.
Based in Fontana, 5 mi away
58/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.8★ from 36 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Hesperia, 22 mi away
58/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.4★ from 318 Google reviews, listed on Google as “Swimming pool contractor”.
Based in San Bernardino, 4 mi away
58/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.6★ from 116 Google reviews, listed on Google as “Swimming pool repair service”.
Based in Redlands, 10 mi away
58/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.4★ from 108 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Moreno Valley, 22 mi away
58/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.8★ from 100 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Riverside, 15 mi away
58/100CR ScoreRanked #17 because of its Google rating and trade focus: 5.0★ from 40 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Rancho Cucamonga, 21 mi away
58/100CR ScoreRanked #18 because of its Google rating and trade focus: 5.0★ from 31 Google reviews, listed on Google as “Swimming pool repair service”.
Based in Rancho Cucamonga, 15 mi away
58/100CR ScoreRanked #19 because of its Google rating and trade focus: 5.0★ from 20 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Riverside, 12 mi away
58/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.1★ from 50 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Claremont, 22 mi away
58/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.9★ from 63 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Riverside, 19 mi away
58/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.7★ from 72 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Eastvale, 18 mi away
57/100CR ScoreRanked #23 because of its Google rating and trade focus: 5.0★ from 164 Google reviews, listed on Google as “Swimming pool repair service”.
Based in Rancho Cucamonga, 16 mi away
57/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.4★ from 89 Google reviews, listed on Google as “Swimming pool repair service”.
Based in Lancaster, 14 mi away
57/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.8★ from 17 Google reviews, listed on Google as “Swimming pool contractor”.
How we ranked Muscoy pool builders
We scored 452 Muscoy 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 Muscoy 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 Muscoy: frequently asked questions
Who is the best pool builder in Muscoy?
By CR Score, the highest-ranked pool builder in Muscoy, CA is PoolGenX with a CR Score of 64/100. It has 4.8★ from 447 Google reviews. It is open 24/7. Inland Empire Hot Spring Spas (#2) and VINYL POOL PROS (#3) follow. We ranked 452 pool builders on ten factors, last updated November 3, 2026.
Which pool builders in Muscoy are open 24/7?
48 ranked pool builders in Muscoy post 24/7 hours. The highest-ranked are PoolGenX (#1), Blue Star pool and Spa Services (#5) and ORCA Pool Cleaning Service and Maintenance (#18). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which pool builders in Muscoy work on weekends?
273 of 452 ranked pool builders post Saturday hours and 138 post Sunday hours. The highest-ranked open Saturdays are PoolGenX (#1), Inland Empire Hot Spring Spas (#2) and VINYL POOL PROS (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Muscoy pool builders have?
The median Google rating among 452 rated pool builders in Muscoy is 4.8★, with a median of 13 reviews. Inland Empire Hot Spring Spas has the most, 773 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 Muscoy count in this ranking?
Yes, if they are within 40 mi of the Muscoy 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 Muscoy
- November 2026: CR Scores recalculated for 452 pool builders serving Muscoy.
- November 2026: 4 duplicate listings merged.
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