60/100CR Score
Ranked #1 because of its Google rating and review volume: 4.8★ from 366 Google reviews, the most in Hillsborough.
Best Pool Builders in Hillsborough, CA (2026)
198 pool builders ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Hillsborough: Pools Etc., CR Score 60/100; 4.8★ from 366 Google reviews.
- 3
Best for emergencies (open 24/7): G-whizz Pool Cleaning, posts 24/7 hours; ranked #3 of 198.
- 4
Most-reviewed: Freedom Pool Services (A Pools Etc. Company), 297 Google reviews at 4.9★, the most of 198 ranked after Pools Etc.; ranked #4.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
198 Hillsborough pool builders are ranked here by CR Score, from ten published factors. 10 are open 24/7, 92 open Saturdays and 48 open Sundays, based on posted hours. The median Google rating is 4.7★ across 198 rated businesses.
Top 10 pool builders in Hillsborough at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Pools Etc. | 60 | 4.8★ (366) | Menlo Park, 13 mi away | — | Overall |
| 2 | Paradise Valley Spas San Mateo | 59 | 4.2★ (68) | San Mateo, 4 mi away | Sat · Sun · Evenings | — |
| 3 | G-whizz Pool Cleaning | 59 | 5.0★ (46) | Vallejo, 29 mi away | 24/7 | Emergencies |
| 4 | Freedom Pool Services (A Pools Etc. Company) | 58 | 4.9★ (297) | Santa Clara, 28 mi away | — | Most reviews |
| 5 | Poolsafe, LLC | 58 | 4.8★ (128) | San Francisco, 14 mi away | — | — |
| 6 | Lucky's Pool Center | 57 | 4.8★ (64) | Hayward, 17 mi away | Sat | — |
| 7 | Preferred Pool & Spa Repair | 57 | 4.8★ (66) | Livermore, 33 mi away | Sat · Sun | — |
| 8 | Spas & Moore | 57 | 4.6★ (36) | Lafayette, 22 mi away | Sat · Sun | — |
| 9 | At Your Door Pool Service, Inc. | 56 | 4.9★ (292) | Antioch, 38 mi away | — | — |
| 10 | Leslie's Pool Supplies | 56 | 4.5★ (81) | Pleasant Hill, 31 mi away | Sat · Sun | — |
The 198 best pool builders in Hillsborough, 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 San Mateo, 4 mi away
59/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.2★ from 68 Google reviews, listed on Google as “Swimming pool repair service”.
Based in Vallejo, 29 mi away
59/100CR ScoreRanked #3 because of its Google rating and trade focus: 5.0★ from 46 Google reviews, listed on Google as “Swimming pool repair service”.
Based in Santa Clara, 28 mi away
58/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.9★ from 297 Google reviews, listed on Google as “Swimming pool repair service”.
Based in San Francisco, 14 mi away
58/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.8★ from 128 Google reviews, listed on Google as “Swimming pool repair service”.
Based in Hayward, 17 mi away
57/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.8★ from 64 Google reviews, listed on Google as “Swimming pool repair service”.
Based in Livermore, 33 mi away
57/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.8★ from 66 Google reviews, listed on Google as “Swimming pool repair service”.
#8 Spas & Moore
Based in Lafayette, 22 mi away
57/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.6★ from 36 Google reviews, listed on Google as “Swimming pool repair service”.
Based in Antioch, 38 mi away
56/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.9★ from 292 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Pleasant Hill, 31 mi away
56/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.5★ from 81 Google reviews, listed on Google as “Swimming pool repair service”.
Based in Danville, 27 mi away
56/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.9★ from 104 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Berkeley, 21 mi away
56/100CR ScoreRanked #12 because of its Google rating and trade focus: 5.0★ from 17 Google reviews, listed on Google as “Swimming pool contractor”.
#13 Claremont Pools
Based in Concord, 37 mi away
55/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.8★ from 25 Google reviews, listed on Google as “Swimming pool repair service”.
Based in Pleasanton, 29 mi away
55/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.4★ from 48 Google reviews, listed on Google as “Swimming pool repair service”.
#15 Skim N Dip
Based in Concord, 34 mi away
55/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.9★ from 142 Google reviews, listed on Google as “Swimming pool contractor”.
Based in San Carlos, 8 mi away
55/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.7★ from 13 Google reviews, listed on Google as “Swimming pool contractor”.
Based in San Mateo, 4 mi away
55/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.9★ from 19 Google reviews, listed on Google as “Swimming pool contractor”.
#18 Pool Yeti's
Based in Richmond, 32 mi away
55/100CR ScoreRanked #18 because of its Google rating and trade focus: 5.0★ from 22 Google reviews, listed on Google as “Swimming pool repair service”.
Based in Burlingame, 1 mi away
55/100CR ScoreRanked #19 because of its Google rating and trade focus: 3.9★ from 10 Google reviews, listed on Google as “Swimming pool repair service”.
Based in Walnut Creek, 29 mi away
55/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.9★ from 79 Google reviews, listed on Google as “Swimming pool contractor”.
Based in San Jose, 31 mi away
55/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.2★ from 64 Google reviews, listed on Google as “Swimming pool repair service”.
Based in San Jose, 31 mi away
55/100CR ScoreRanked #22 because of its Google rating and trade focus: 5.0★ from 37 Google reviews, listed on Google as “Swimming pool contractor”.
#23 The Pool Doctor
Based in El Sobrante, 28 mi away
55/100CR ScoreRanked #23 because of its Google rating and trade focus: 4.7★ from 110 Google reviews, listed on Google as “Swimming pool contractor”.
Based in San Ramon, 26 mi away
55/100CR ScoreRanked #24 because of its Google rating and trade focus: 5.0★ from 14 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Daly City, 10 mi away
55/100CR ScoreRanked #25 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Swimming pool contractor”.
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 198 ranked pool builders here; the rest are on their profiles.
Also serving Hillsborough
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 |
|---|---|---|
| Affordable Pool Care | 5.0★ (2) | 18 mi |
| Almaden Pool Services | 3.0★ (2) | 28 mi |
| American Built Pools | 3.0★ (2) | 30 mi |
| American Built Pools Inc | 3.0★ (2) | 16 mi |
| Aqua Blue Swimming Pools | 5.0★ (2) | 30 mi |
| Berkeley Pool Remodeling | 5.0★ (2) | 21 mi |
| Clearline Pool Services | 3.5★ (2) | 7 mi |
| Diablo Pool Pros | 4.5★ (2) | 31 mi |
| Diverse Scape Pools & Spas, Inc. | 5.0★ (2) | 29 mi |
| Four Seasons Pool Services | 3.0★ (2) | 3 mi |
| Fremont Pool CO | 5.0★ (2) | 25 mi |
| Mountain View Pool Constructions | 5.0★ (2) | 19 mi |
| Pacific Pools Inc | 5.0★ (2) | 27 mi |
| Paradise Pools & Gardens | 5.0★ (2) | 31 mi |
| Pumps & Works | 5.0★ (2) | 11 mi |
| Rivera Family Pools & Remodeling | 5.0★ (2) | 21 mi |
| Santa Clara Pool Remodel | 5.0★ (2) | 28 mi |
| Shamrock Pool Fiberglass Inc | 3.0★ (2) | 25 mi |
| Town & Country Pool Services | 5.0★ (2) | 33 mi |
| Unique Pools | 5.0★ (2) | 15 mi |
How we ranked Hillsborough pool builders
We scored 198 Hillsborough 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 Hillsborough 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 Hillsborough: frequently asked questions
Who is the best pool builder in Hillsborough?
By CR Score, the highest-ranked pool builder in Hillsborough, CA is Pools Etc. with a CR Score of 60/100. It has 4.8★ from 366 Google reviews. Paradise Valley Spas San Mateo (#2) and G-whizz Pool Cleaning (#3) follow. We ranked 198 pool builders on ten factors, last updated November 3, 2026.
How many pool builders are there in Hillsborough?
ContractorsRanked ranks 198 pool builders serving Hillsborough, CA. Another 20 within 40 mi are listed but not ranked yet. Counts are as of November 2026.
Which pool builders in Hillsborough are open 24/7?
10 ranked pool builders in Hillsborough post 24/7 hours. The highest-ranked are G-whizz Pool Cleaning (#3) and Claremont Pools (#13). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which pool builders in Hillsborough work on weekends?
92 of 198 ranked pool builders post Saturday hours and 48 post Sunday hours. The highest-ranked open Saturdays are Paradise Valley Spas San Mateo (#2), G-whizz Pool Cleaning (#3) and Lucky's Pool Center (#6). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Hillsborough pool builders have?
The median Google rating among 198 rated pool builders in Hillsborough is 4.7★, with a median of 12 reviews. Pools Etc. has the most, 366 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 Hillsborough count in this ranking?
Yes, if they are within 40 mi of the Hillsborough 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 Hillsborough
- November 2026: CR Scores recalculated for 198 pool builders serving Hillsborough.
- November 2026: 3 duplicate listings merged.
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