60/100CR Score
Ranked #1 because of its Google rating and review volume: 4.6★ from 84 Google reviews, the most in Los Osos.
Best Pool Builders in Los Osos, CA (2026)
18 pool builders ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Los Osos: Carefree Pools & Spas, CR Score 60/100; 4.6★ from 84 Google reviews.
- 2
Most-reviewed: The Pool Keepers, 42 Google reviews at 5.0★, the most of 18 ranked after Carefree Pools & Spas; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
18 Los Osos pool builders are ranked here by CR Score, from ten published factors. 7 open Saturdays and 4 open Sundays, based on posted hours. The median Google rating is 4.9★ across 18 rated businesses.
Top 10 pool builders in Los Osos at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Carefree Pools & Spas | 60 | 4.6★ (84) | San Luis Obispo, 10 mi away | — | Overall |
| 2 | The Pool Keepers | 58 | 5.0★ (42) | Atascadero, 15 mi away | — | Most reviews |
| 3 | CCH Pools | 57 | 3.3★ (18) | San Luis Obispo, 10 mi away | Sat · Sun | — |
| 4 | Central Coast Pool And Spa | 56 | 5.0★ (30) | Atascadero, 23 mi away | — | — |
| 5 | Pacific Outdoor Living | 56 | 5.0★ (36) | San Luis Obispo, 10 mi away | Sat · Sun | — |
| 6 | Mr. Poolman | 54 | 4.4★ (39) | Santa Maria, 36 mi away | Sat | — |
| 7 | Keene's Pool Service | 53 | 5.0★ (4) | Santa Maria, 23 mi away | Sat · Sun | — |
| 8 | Barefoot Pools and Custom Landscapes | 53 | 4.8★ (17) | Paso Robles, 23 mi away | — | — |
| 9 | Carecraft Pools San Luis Obispo | 53 | 5.0★ (7) | San Luis Obispo, 12 mi away | — | — |
| 10 | Pacific Outdoor Living | 52 | 5.0★ (4) | Grover Beach, 18 mi away | Sat | — |
The 18 best pool builders in Los Osos, 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 Atascadero, 15 mi away
58/100CR ScoreRanked #2 because of its Google rating and trade focus: 5.0★ from 42 Google reviews, listed on Google as “Swimming pool repair service”.
#3 CCH Pools
Based in San Luis Obispo, 10 mi away
57/100CR ScoreRanked #3 because of its Google rating and trade focus: 3.3★ from 18 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Atascadero, 23 mi away
56/100CR ScoreRanked #4 because of its Google rating and trade focus: 5.0★ from 30 Google reviews, listed on Google as “Swimming pool repair service”.
Based in San Luis Obispo, 10 mi away
56/100CR ScoreRanked #5 because of its Google rating and review volume: 5.0★ from 36 Google reviews.
#6 Mr. Poolman
Based in Santa Maria, 36 mi away
54/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.4★ from 39 Google reviews, listed on Google as “Swimming pool repair service”.
Based in Santa Maria, 23 mi away
53/100CR ScoreRanked #7 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Swimming pool repair service”.
Based in Paso Robles, 23 mi away
53/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.8★ from 17 Google reviews, listed on Google as “Swimming pool contractor”.
Based in San Luis Obispo, 12 mi away
53/100CR ScoreRanked #9 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Grover Beach, 18 mi away
52/100CR ScoreRanked #10 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Atascadero, 15 mi away
52/100CR ScoreRanked #11 because of its Google rating and trade focus: 3.4★ from 17 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Grover Beach, 17 mi away
52/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.3★ from 6 Google reviews, listed on Google as “Swimming pool repair service”.
Based in Atascadero, 21 mi away
52/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.2★ from 10 Google reviews, listed on Google as “Swimming pool contractor”.
#14 Grady's Pools
Based in Cambria, 10 mi away
51/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.6★ from 16 Google reviews, listed on Google as “Construction company”.
Based in Paso Robles, 21 mi away
51/100CR ScoreRanked #15 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Fresno, 37 mi away
51/100CR ScoreRanked #16 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Santa Maria, 23 mi away
49/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.0★ from 4 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Santa Maria, 35 mi away
49/100CR ScoreRanked #18 because of its Google rating and review volume: 5.0★ from 29 Google reviews.
Also serving Los Osos
13 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 |
|---|---|---|
| Aquamark Pool Care | 1.0★ (1) | 24 mi |
| Aquastar Pools & Spas | 11 mi | |
| Backyard Visions Retail Store | 5.0★ (1) | 15 mi |
| Big Blue Pool & Spa Svc | 1.0★ (1) | 18 mi |
| BK Pool and Spa Service | 5.0★ (1) | 21 mi |
| Bravo Construction | 5.0★ (2) | 24 mi |
| Cal Coast Pool Construction | 5.0★ (1) | 16 mi |
| Fletcher Hesse Plumbing Inc. | 5.0★ (2) | In Los Osos |
| Lambert's Pools & Spa Services | 3.0★ (1) | 24 mi |
| Paradise Environments | 16 mi | |
| Paradisepoolspaso | 24 mi | |
| Performance Pool and Spa CPO certified | 15 mi | |
| Professional Design Construction | 24 mi |
How we ranked Los Osos pool builders
We scored 18 Los Osos 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 Osos 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 Osos: frequently asked questions
Who is the best pool builder in Los Osos?
By CR Score, the highest-ranked pool builder in Los Osos, CA is Carefree Pools & Spas with a CR Score of 60/100. It has 4.6★ from 84 Google reviews. The Pool Keepers (#2) and CCH Pools (#3) follow. We ranked 18 pool builders on ten factors, last updated November 3, 2026.
How many pool builders are there in Los Osos?
ContractorsRanked ranks 18 pool builders serving Los Osos, CA. Another 13 within 40 mi are listed but not ranked yet. Counts are as of November 2026.
Which pool builders in Los Osos work on weekends?
7 of 18 ranked pool builders post Saturday hours and 4 post Sunday hours. The highest-ranked open Saturdays are CCH Pools (#3), Pacific Outdoor Living (#5) and Mr. Poolman (#6). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Los Osos pool builders have?
The median Google rating among 18 rated pool builders in Los Osos is 4.9★, with a median of 17 reviews. Carefree Pools & Spas has the most, 84 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 Osos count in this ranking?
Yes, if they are within 40 mi of the Los Osos 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 Osos
- November 2026: CR Scores recalculated for 18 pool builders serving Los Osos.
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