61/100CR Score
Ranked #1 because of its Google rating and review volume: 4.8★ from 366 Google reviews, the most in Los Altos.
Best Pool Builders in Los Altos, CA (2026)
178 pool builders ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Los Altos: Pools Etc., CR Score 61/100; 4.8★ from 366 Google reviews.
- 9
Best for emergencies (open 24/7): G-whizz Pool Cleaning, posts 24/7 hours; ranked #9 of 178.
- 2
Most-reviewed: Freedom Pool Services (A Pools Etc. Company), 297 Google reviews at 4.9★, the most of 178 ranked after Pools Etc.; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
178 Los Altos pool builders are ranked here by CR Score, from ten published factors. 9 are open 24/7, 86 open Saturdays and 42 open Sundays, based on posted hours. The median Google rating is 4.7★ across 178 rated businesses.
Top 10 pool builders in Los Altos at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Pools Etc. | 61 | 4.8★ (366) | Menlo Park, 7 mi away | — | Overall |
| 2 | Freedom Pool Services (A Pools Etc. Company) | 61 | 4.9★ (297) | Santa Clara, 10 mi away | — | Most reviews |
| 3 | Preferred Pool & Spa Repair | 58 | 4.8★ (66) | Livermore, 26 mi away | Sat · Sun | — |
| 4 | Leslie's Pool Supplies | 58 | 4.2★ (64) | San Jose, 12 mi away | Sat · Sun | — |
| 5 | San Jose Pool Resurfacing & Plastering | 58 | 5.0★ (37) | San Jose, 11 mi away | Sat | — |
| 6 | Spas & Moore | 58 | 4.6★ (36) | Lafayette, 16 mi away | Sat · Sun | — |
| 7 | Paradise Valley Spas San Mateo | 57 | 4.2★ (68) | San Mateo, 16 mi away | Sat · Sun · Evenings | — |
| 8 | Excel Pool & Spa | 57 | 4.6★ (28) | Mountain View, 3 mi away | Sat | — |
| 9 | G-whizz Pool Cleaning | 57 | 5.0★ (46) | Vallejo, 40 mi away | 24/7 | Emergencies |
| 10 | Dane's Swimming Pools | 57 | 5.0★ (6) | Santa Clara, 10 mi away | 24/7 | — |
The 178 best pool builders in Los Altos, 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 Santa Clara, 10 mi away
61/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.9★ from 297 Google reviews, listed on Google as “Swimming pool repair service”.
Based in Livermore, 26 mi away
58/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.8★ from 66 Google reviews, listed on Google as “Swimming pool repair service”.
Based in San Jose, 12 mi away
58/100CR ScoreRanked #4 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, 11 mi away
58/100CR ScoreRanked #5 because of its Google rating and trade focus: 5.0★ from 37 Google reviews, listed on Google as “Swimming pool contractor”.
#6 Spas & Moore
Based in Lafayette, 16 mi away
58/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.6★ from 36 Google reviews, listed on Google as “Swimming pool repair service”.
Based in San Mateo, 16 mi away
57/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.2★ from 68 Google reviews, listed on Google as “Swimming pool repair service”.
Based in Mountain View, 3 mi away
57/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.6★ from 28 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Vallejo, 40 mi away
57/100CR ScoreRanked #9 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, 10 mi away
57/100CR ScoreRanked #10 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Swimming pool contractor”.
#11 Pool Pros, Inc.
Based in San Jose, 13 mi away
57/100CR ScoreRanked #11 because of its Google rating and trade focus: 3.9★ from 70 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Sunnyvale, 4 mi away
57/100CR ScoreRanked #12 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Antioch, 36 mi away
57/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.9★ from 292 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Hayward, 21 mi away
56/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.8★ from 64 Google reviews, listed on Google as “Swimming pool repair service”.
Based in San Jose, 20 mi away
56/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.9★ from 38 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Fremont, 8 mi away
56/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.6★ from 9 Google reviews, listed on Google as “Swimming pool repair service”.
Based in San Jose, 10 mi away
56/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.6★ from 25 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Pleasanton, 25 mi away
56/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.4★ from 48 Google reviews, listed on Google as “Swimming pool repair service”.
Based in Campbell, 8 mi away
56/100CR ScoreRanked #19 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Campbell, 12 mi away
56/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.4★ from 33 Google reviews, listed on Google as “Swimming pool contractor”.
Based in San Jose, 20 mi away
56/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.9★ from 17 Google reviews, listed on Google as “Swimming pool contractor”.
Based in San Mateo, 6 mi away
55/100CR ScoreRanked #22 because of its Google rating and trade focus: 5.0★ from 21 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Menlo Park, 6 mi away
55/100CR ScoreRanked #23 because of its Google rating and review volume: 5.0★ from 101 Google reviews.
Based in Danville, 31 mi away
55/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.9★ from 104 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Palo Alto, 3 mi away
55/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.0★ 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 178 ranked pool builders here; the rest are on their profiles.
Also serving Los Altos
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) | 2 mi |
| Almaden Pool Services | 3.0★ (2) | 27 mi |
| Almaden pool tile repair.......Serving The Entire SF bay area | 5.0★ (2) | 16 mi |
| American Built Pools | 3.0★ (2) | 30 mi |
| American Built Pools Inc | 3.0★ (2) | 27 mi |
| Aqua Blue Swimming Pools | 5.0★ (2) | 12 mi |
| Arcune Plumbing | 5.0★ (8) | In Los Altos |
| Art's pool services | 5.0★ (2) | 26 mi |
| Clearline Pool Services | 3.5★ (2) | 13 mi |
| East Valley Pool Service | 4.0★ (2) | 13 mi |
| Four Seasons Pool Services | 3.0★ (2) | 17 mi |
| Fremont Pool CO | 5.0★ (2) | 13 mi |
| K & D Quality Inc | 5.0★ (2) | 26 mi |
| Mountain View Pool Constructions | 5.0★ (2) | 3 mi |
| Paradise Pools & Gardens | 5.0★ (2) | 12 mi |
| Pumps & Works | 5.0★ (2) | 9 mi |
| Santa Clara Pool Remodel | 5.0★ (2) | 9 mi |
| Swimply Clean Pool Services | 5.0★ (2) | 15 mi |
| True Blue Pool and Spa Care | 5.0★ (2) | 30 mi |
| WhiteCliff Custom Pool Care | 5.0★ (1) | In Los Altos |
How we ranked Los Altos pool builders
We scored 178 Los Altos 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 Los Altos 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 Los Altos: frequently asked questions
Who is the best pool builder in Los Altos?
By CR Score, the highest-ranked pool builder in Los Altos, CA is Pools Etc. with a CR Score of 61/100. It has 4.8★ from 366 Google reviews. Freedom Pool Services (A Pools Etc. Company) (#2) and Preferred Pool & Spa Repair (#3) follow. We ranked 178 pool builders on ten factors, last updated November 3, 2026.
How many pool builders are there in Los Altos?
ContractorsRanked ranks 178 pool builders serving Los Altos, CA. 1 of them is based in Los Altos; 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 Los Altos are open 24/7?
9 ranked pool builders in Los Altos post 24/7 hours. The highest-ranked are G-whizz Pool Cleaning (#9), Dane's Swimming Pools (#10) and Stellar Pool Service (#19). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which pool builders in Los Altos work on weekends?
86 of 178 ranked pool builders post Saturday hours and 42 post Sunday hours. The highest-ranked open Saturdays are Preferred Pool & Spa Repair (#3), Leslie's Pool Supplies (#4) and San Jose Pool Resurfacing & Plastering (#5). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Los Altos pool builders have?
The median Google rating among 178 rated pool builders in Los Altos is 4.7★, with a median of 11 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 Los Altos count in this ranking?
Yes, if they are within 40 mi of the Los Altos 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 Los Altos
- November 2026: CR Scores recalculated for 178 pool builders serving Los Altos.
- November 2026: 4 duplicate listings merged.
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