63/100CR Score
Ranked #1 because of its Google rating and review volume: 4.8★ from 447 Google reviews, the most in South San Jose Hills.
Best Pool Builders in South San Jose Hills, CA (2026)
825 pool builders ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in South San Jose Hills: PoolGenX, CR Score 63/100; 4.8★ from 447 Google reviews; open 24/7.
- 3
Best for emergencies (open 24/7): Glendale Pool Repair&Leaks, posts 24/7 hours; ranked #3 of 825.
- 23
Most-reviewed: Living Water Pool Service, 272 Google reviews at 5.0★, the most of 825 ranked after PoolGenX; ranked #23.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
825 South San Jose Hills pool builders are ranked here by CR Score, from ten published factors. 104 are open 24/7, 495 open Saturdays and 270 open Sundays, based on posted hours. The median Google rating is 4.9★ across 825 rated businesses.
Top 10 pool builders in South San Jose Hills at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | PoolGenX | 63 | 4.8★ (447) | Riverside, 27 mi away | 24/7 | Overall |
| 2 | Gary's Swimming Pool Supplies | 62 | 4.7★ (220) | Upland, 14 mi away | Sat · Sun | — |
| 3 | Glendale Pool Repair&Leaks | 61 | 4.9★ (103) | Glendale, 22 mi away | 24/7 | Emergencies |
| 4 | Saddleback Mountain pool and spa service | 61 | 5.0★ (253) | Rancho Santa Margarita, 31 mi away | Sat · Sun · Evenings | — |
| 5 | VINYL POOL PROS | 61 | 4.9★ (156) | Rancho Cucamonga, 21 mi away | Sat · Sun | — |
| 6 | Pool Builder Arcadia | 61 | 5.0★ (68) | Arcadia, 12 mi away | Sat · Sun · Evenings | — |
| 7 | ORCA Pool Cleaning Service and Maintenance | 60 | 5.0★ (31) | Rancho Cucamonga, 13 mi away | 24/7 | — |
| 8 | CR Quality Pool Service - Professional Pool Maintenance Service | 60 | 4.8★ (100) | Moreno Valley, 17 mi away | Sat · Sun · Evenings | — |
| 9 | Pool Cleaning Service and Maintenance | 60 | 4.9★ (63) | Claremont, 13 mi away | Sat · Sun · Evenings | — |
| 10 | PSMP - Pool Service & Maintenance Professionals | 60 | 4.9★ (198) | Fullerton, 7 mi away | — | — |
The 825 best pool builders in South San Jose Hills, 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 Upland, 14 mi away
62/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.7★ from 220 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Glendale, 22 mi away
61/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.9★ from 103 Google reviews, listed on Google as “Swimming pool repair service”.
Based in Rancho Santa Margarita, 31 mi away
61/100CR ScoreRanked #4 because of its Google rating and trade focus: 5.0★ from 253 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Rancho Cucamonga, 21 mi away
61/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.9★ from 156 Google reviews, listed on Google as “Swimming pool repair service”.
Based in Arcadia, 12 mi away
61/100CR ScoreRanked #6 because of its Google rating and trade focus: 5.0★ from 68 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Rancho Cucamonga, 13 mi away
60/100CR ScoreRanked #7 because of its Google rating and trade focus: 5.0★ from 31 Google reviews, listed on Google as “Swimming pool repair service”.
Based in Moreno Valley, 17 mi away
60/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.8★ from 100 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Claremont, 13 mi away
60/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.9★ from 63 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Fullerton, 7 mi away
60/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.9★ from 198 Google reviews, listed on Google as “Swimming pool repair service”.
Based in Chino Hills, 8 mi away
60/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.9★ from 46 Google reviews, listed on Google as “Swimming pool contractor”.
#12 FC Pool
Based in Los Angeles, 30 mi away
60/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.7★ from 146 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Los Angeles, 28 mi away
60/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.9★ from 81 Google reviews, listed on Google as “Swimming pool contractor”.
Based in La Puente, 4 mi away
60/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.4★ from 74 Google reviews, listed on Google as “Swimming pool repair service”.
Based in Covina, 6 mi away
60/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.1★ from 204 Google reviews, listed on Google as “Swimming pool contractor”.
#16 Cali Coast Pools
Based in Glendora, 9 mi away
60/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.7★ from 24 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Anaheim, 13 mi away
60/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.5★ from 120 Google reviews, listed on Google as “Swimming pool repair service”.
Based in San Bernardino, 2 mi away
59/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.9★ from 103 Google reviews, listed on Google as “Swimming pool contractor”.
Based in East Los Angeles, 15 mi away
59/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.5★ from 48 Google reviews, listed on Google as “Swimming pool repair service”.
Based in Los Angeles, 30 mi away
59/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.9★ from 71 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Sherman Oaks, 33 mi away
59/100CR ScoreRanked #21 because of its Google rating and trade focus: 5.0★ from 73 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Rancho Cucamonga, 15 mi away
59/100CR ScoreRanked #22 because of its Google rating and trade focus: 5.0★ from 176 Google reviews, listed on Google as “Swimming pool repair service”.
Based in La Cañada Flintridge, 21 mi away
59/100CR ScoreRanked #23 because of its Google rating and trade focus: 5.0★ from 272 Google reviews, listed on Google as “Swimming pool repair service”.
Based in Torrance, 26 mi away
59/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.8★ from 56 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Sunland, 29 mi away
59/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.9★ from 113 Google reviews, listed on Google as “Swimming pool repair service”.
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 825 ranked pool builders here; the rest are on their profiles.
Also serving South San Jose Hills
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 |
|---|---|---|
| 3m Pools | 5.0★ (2) | 9 mi |
| All Seasons Custom Pools | 5.0★ (2) | 5 mi |
| Baccaro Pool Service | 2.5★ (2) | 4 mi |
| BP Pool Service | 5.0★ (2) | 6 mi |
| CaliPoolTechs | 5.0★ (2) | 5 mi |
| Condor Inc | 5.0★ (2) | 7 mi |
| Daniels Pools Services | 3.0★ (2) | 11 mi |
| Gardens Inc | 5.0★ (2) | 9 mi |
| h2o pro pool | 5.0★ (2) | 9 mi |
| Healing Waters | 5.0★ (2) | 9 mi |
| Huntington Pools Inc. | 5.0★ (2) | 9 mi |
| Mirage Pools & Spas/David Lee | 3.0★ (2) | 9 mi |
| MSN POOL PLASTERING CONSTRUCTION | 5.0★ (2) | 6 mi |
| Nexus Pool Construction | 5.0★ (2) | 8 mi |
| Phil Gomez Pool Services | 1.0★ (2) | 5 mi |
| Ruiz Pool & Spa | 1.0★ (2) | 6 mi |
| Scott & Co Pool & Spa Services | 5.0★ (2) | 10 mi |
| Thompson Pool Plumbing, Inc. | 5.0★ (2) | 11 mi |
| Tropical Pools | 2.5★ (2) | 2 mi |
| West Covina Plumbing and Drain | In South San Jose Hills |
How we ranked South San Jose Hills pool builders
We scored 825 South San Jose Hills 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 South San Jose Hills 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 South San Jose Hills: frequently asked questions
Who is the best pool builder in South San Jose Hills?
By CR Score, the highest-ranked pool builder in South San Jose Hills, CA is PoolGenX with a CR Score of 63/100. It has 4.8★ from 447 Google reviews. It is open 24/7. Gary's Swimming Pool Supplies (#2) and Glendale Pool Repair&Leaks (#3) follow. We ranked 825 pool builders on ten factors, last updated November 3, 2026.
How many pool builders are there in South San Jose Hills?
ContractorsRanked ranks 825 pool builders serving South San Jose Hills, CA. Another 20 within 40 mi are listed but not ranked yet. Counts are as of November 2026.
Which pool builders in South San Jose Hills are open 24/7?
104 ranked pool builders in South San Jose Hills post 24/7 hours. The highest-ranked are PoolGenX (#1), Glendale Pool Repair&Leaks (#3) and ORCA Pool Cleaning Service and Maintenance (#7). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which pool builders in South San Jose Hills work on weekends?
495 of 825 ranked pool builders post Saturday hours and 270 post Sunday hours. The highest-ranked open Saturdays are PoolGenX (#1), Gary's Swimming Pool Supplies (#2) and Glendale Pool Repair&Leaks (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do South San Jose Hills pool builders have?
The median Google rating among 825 rated pool builders in South San Jose Hills is 4.9★, with a median of 12 reviews. PoolGenX has the most, 447 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 South San Jose Hills count in this ranking?
Yes, if they are within 40 mi of the South San Jose Hills 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 South San Jose Hills
- November 2026: CR Scores recalculated for 825 pool builders serving South San Jose Hills.
- November 2026: 10 duplicate listings merged.
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