61/100CR Score
Ranked #1 because of its Google rating and trade focus: 5.0★ from 46 Google reviews, listed on Google as “Swimming pool repair service”.
Best Pool Builders in San Ramon, CA (2026)
240 pool builders ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in San Ramon: G-whizz Pool Cleaning, CR Score 61/100; 5.0★ from 46 Google reviews; open 24/7.
- 6
Best for emergencies (open 24/7): Claremont Pools, posts 24/7 hours; ranked #6 of 240.
- 11
Most-reviewed: Pools Etc., 366 Google reviews at 4.8★, the most of 240 ranked; ranked #11.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
240 San Ramon pool builders are ranked here by CR Score, from ten published factors. 12 are open 24/7, 118 open Saturdays and 60 open Sundays, based on posted hours. The median Google rating is 4.7★ across 240 rated businesses.
Top 10 pool builders in San Ramon at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | G-whizz Pool Cleaning | 61 | 5.0★ (46) | Vallejo, 16 mi away | 24/7 | Overall |
| 2 | At Your Door Pool Service, Inc. | 60 | 4.9★ (292) | Antioch, 12 mi away | — | — |
| 3 | The Hot Tub Store | 60 | 4.9★ (262) | Fairfield, 34 mi away | Sat · Sun | — |
| 4 | Preferred Pool & Spa Repair | 60 | 4.8★ (66) | Livermore, 14 mi away | Sat · Sun | — |
| 5 | Pure Pool Solutions | 59 | 4.9★ (104) | Danville, 3 mi away | — | — |
| 6 | Claremont Pools | 59 | 4.8★ (25) | Concord, 13 mi away | 24/7 | Emergencies |
| 7 | Leslie's Pool Supplies | 59 | 4.5★ (81) | Pleasant Hill, 13 mi away | Sat · Sun | — |
| 8 | Poolside Pros Pool Service | 59 | 5.0★ (14) | San Ramon | Sat · Sun · Evenings | — |
| 9 | Leslie's Pool Supplies Pro | 59 | 4.4★ (48) | Pleasanton, 8 mi away | Sat · Sun | — |
| 10 | Skim N Dip | 58 | 4.9★ (142) | Concord, 14 mi away | — | — |
The 240 best pool builders in San Ramon, 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 Antioch, 12 mi away
60/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.9★ from 292 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Fairfield, 34 mi away
60/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.9★ from 262 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Livermore, 14 mi away
60/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.8★ from 66 Google reviews, listed on Google as “Swimming pool repair service”.
Based in Danville, 3 mi away
59/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.9★ from 104 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Concord, 13 mi away
59/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.8★ from 25 Google reviews, listed on Google as “Swimming pool repair service”.
Based in Pleasant Hill, 13 mi away
59/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.5★ from 81 Google reviews, listed on Google as “Swimming pool repair service”.
Based in San Ramon
59/100CR ScoreRanked #8 because of its Google rating and trade focus: 5.0★ from 14 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Pleasanton, 8 mi away
59/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.4★ from 48 Google reviews, listed on Google as “Swimming pool repair service”.
#10 Skim N Dip
Based in Concord, 14 mi away
58/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.9★ from 142 Google reviews, listed on Google as “Swimming pool contractor”.
#11 Pools Etc.
Based in Menlo Park, 24 mi away
58/100CR ScoreRanked #11 because of its Google rating and review volume: 4.8★ from 366 Google reviews, the most in San Ramon.
#12 Pool Yeti's
Based in Richmond, 9 mi away
58/100CR ScoreRanked #12 because of its Google rating and trade focus: 5.0★ from 22 Google reviews, listed on Google as “Swimming pool repair service”.
Based in Hayward, 9 mi away
58/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.8★ from 64 Google reviews, listed on Google as “Swimming pool repair service”.
Based in Danville, 3 mi away
58/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.4★ from 23 Google reviews, listed on Google as “Swimming pool repair service”.
#15 Spas & Moore
Based in Lafayette, 13 mi away
58/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.6★ from 36 Google reviews, listed on Google as “Swimming pool repair service”.
Based in Tracy, 6 mi away
58/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.9★ from 72 Google reviews, listed on Google as “Swimming pool repair service”.
Based in Dublin, 1 mi away
58/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.6★ from 14 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Santa Clara, 29 mi away
58/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.9★ from 297 Google reviews, listed on Google as “Swimming pool repair service”.
Based in Walnut Creek, 10 mi away
58/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.9★ from 79 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Oakley, 12 mi away
58/100CR ScoreRanked #20 because of its Google rating and trade focus: 5.0★ from 10 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Clayton, 11 mi away
58/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.8★ from 52 Google reviews, listed on Google as “Swimming pool repair service”.
Based in Antioch, 19 mi away
57/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.8★ from 149 Google reviews, listed on Google as “Swimming pool repair service”.
Based in Antioch, 10 mi away
57/100CR ScoreRanked #23 because of its Google rating and trade focus: 4.9★ from 70 Google reviews, listed on Google as “Swimming pool repair service”.
Based in Livermore, 1 mi away
57/100CR ScoreRanked #24 because of its Google rating and trade focus: 5.0★ from 36 Google reviews, listed on Google as “Swimming pool repair service”.
Based in Oakland, 14 mi away
57/100CR ScoreRanked #25 because of its Google rating and trade focus: 5.0★ from 38 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 240 ranked pool builders here; the rest are on their profiles.
Also serving San Ramon
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 |
|---|---|---|
| Almaden Pool Services | 3.0★ (2) | 3 mi |
| American Built Pools | 3.0★ (2) | 5 mi |
| American Built Pools Inc | 3.0★ (2) | 13 mi |
| Berkeley Pool Remodeling | 5.0★ (2) | 17 mi |
| Blue Champagne Pools | 3.0★ (2) | 18 mi |
| Bulldog's Pool & Spa Services | 4.0★ (2) | 21 mi |
| Clearline Pool Services | 3.5★ (2) | 24 mi |
| Cover Pro | 3.0★ (2) | 14 mi |
| Diablo Pool Pros | 4.5★ (2) | 12 mi |
| Diverse Scape Pools & Spas, Inc. | 5.0★ (2) | 6 mi |
| Four Seasons Pool Services | 3.0★ (2) | 24 mi |
| Fremont Pool CO | 5.0★ (2) | 20 mi |
| Mancini's Pools | In San Ramon | |
| Pacific Pools Inc | 5.0★ (2) | 3 mi |
| Pumps & Works | 5.0★ (2) | 24 mi |
| Quality Crystal Clear Pool Company | 5.0★ (2) | 19 mi |
| Royal Blue Pool Co | In San Ramon | |
| Shamrock Pool Fiberglass Inc | 3.0★ (2) | 9 mi |
| Town & Country Pool Services | 5.0★ (2) | 13 mi |
| Unique Pools | 5.0★ (2) | In San Ramon |
How we ranked San Ramon pool builders
We scored 240 San Ramon 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 San Ramon 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 San Ramon: frequently asked questions
Who is the best pool builder in San Ramon?
By CR Score, the highest-ranked pool builder in San Ramon, CA is G-whizz Pool Cleaning with a CR Score of 61/100. It has 5.0★ from 46 Google reviews. It is open 24/7. At Your Door Pool Service, Inc. (#2) and The Hot Tub Store (#3) follow. We ranked 240 pool builders on ten factors, last updated November 3, 2026.
How many pool builders are there in San Ramon?
ContractorsRanked ranks 240 pool builders serving San Ramon, CA. 1 of them is based in San Ramon; 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 San Ramon are open 24/7?
12 ranked pool builders in San Ramon post 24/7 hours. The highest-ranked are G-whizz Pool Cleaning (#1), Claremont Pools (#6) and Advantage Pools Bay Area Inc. (#20). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which pool builders in San Ramon work on weekends?
118 of 240 ranked pool builders post Saturday hours and 60 post Sunday hours. The highest-ranked open Saturdays are G-whizz Pool Cleaning (#1), The Hot Tub Store (#3) and Preferred Pool & Spa Repair (#4). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do San Ramon pool builders have?
The median Google rating among 240 rated pool builders in San Ramon is 4.7★, with a median of 11 reviews. Pools Etc. has the most, 366 reviews, and ranks #11. 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 San Ramon count in this ranking?
Yes, if they are within 40 mi of the San Ramon 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 San Ramon
- November 2026: CR Scores recalculated for 240 pool builders serving San Ramon.
- November 2026: 4 duplicate listings merged.
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