62/100CR Score
Ranked #1 because of its Google rating and review volume: 5.0★ from 346 Google reviews, the most in El Cajon.
Best Pool Builders in El Cajon, CA (2026)
228 pool builders ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in El Cajon: Triton Water Renewal LLC, CR Score 62/100; 5.0★ from 346 Google reviews; open Saturdays until 2 PM.
- 3
Best for emergencies (open 24/7): Ramos & Son's Pool Co, posts 24/7 hours; ranked #3 of 228.
- 38
Most-reviewed: San Dieguito Pool Center, 159 Google reviews at 4.5★, the most of 228 ranked after Triton Water Renewal LLC; ranked #38.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
228 El Cajon pool builders are ranked here by CR Score, from ten published factors. 10 are open 24/7, 115 open Saturdays and 46 open Sundays, based on posted hours. The median Google rating is 4.8★ across 228 rated businesses.
Top 10 pool builders in El Cajon at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Triton Water Renewal LLC | 62 | 5.0★ (346) | San Diego, 17 mi away | Sat | Overall |
| 2 | McKinney's Pool Service | 61 | 4.9★ (115) | La Mesa, 4 mi away | Sat | — |
| 3 | Ramos & Son's Pool Co | 61 | 5.0★ (53) | San Diego, 17 mi away | 24/7 | Emergencies |
| 4 | CA Pool Pros | 61 | 5.0★ (32) | Encinitas, 11 mi away | 24/7 | — |
| 5 | Cabana Pool Service | 61 | 5.0★ (57) | San Diego, 12 mi away | Sat · Sun | — |
| 6 | Leslie's Pool Supplies Pro | 61 | 4.3★ (103) | La Mesa, 4 mi away | Sat · Sun | — |
| 7 | Pool Rehab MD, Inc. | 60 | 4.9★ (52) | El Cajon | Sat | — |
| 8 | Leslie's Pool Supplies | 60 | 4.4★ (57) | El Cajon | Sat · Sun | — |
| 9 | Cali Pool Tech | 60 | 4.9★ (71) | Santee, 3 mi away | Sat | — |
| 10 | Priority Pool Service | 60 | 5.0★ (51) | Poway, 12 mi away | Sat · Sun · Evenings | — |
The 228 best pool builders in El Cajon, 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 La Mesa, 4 mi away
61/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.9★ from 115 Google reviews, listed on Google as “Swimming pool repair service”.
Based in San Diego, 17 mi away
61/100CR ScoreRanked #3 because of its Google rating and trade focus: 5.0★ from 53 Google reviews, listed on Google as “Swimming pool contractor”.
#4 CA Pool Pros
Based in Encinitas, 11 mi away
61/100CR ScoreRanked #4 because of its Google rating and trade focus: 5.0★ from 32 Google reviews, listed on Google as “Swimming pool repair service”.
Based in San Diego, 12 mi away
61/100CR ScoreRanked #5 because of its Google rating and trade focus: 5.0★ from 57 Google reviews, listed on Google as “Swimming pool repair service”.
Based in La Mesa, 4 mi away
61/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.3★ from 103 Google reviews, listed on Google as “Swimming pool repair service”.
Based in El Cajon
60/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.9★ from 52 Google reviews, listed on Google as “Swimming pool repair service”.
Based in El Cajon
60/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.4★ from 57 Google reviews, listed on Google as “Swimming pool repair service”.
Based in Santee, 3 mi away
60/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.9★ from 71 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Poway, 12 mi away
60/100CR ScoreRanked #10 because of its Google rating and trade focus: 5.0★ from 51 Google reviews, listed on Google as “Swimming pool repair service”.
Based in Lakeside, 5 mi away
60/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.7★ from 50 Google reviews, listed on Google as “Swimming pool repair service”.
Based in Poway, 12 mi away
60/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.9★ from 111 Google reviews, listed on Google as “Swimming pool contractor”.
Based in San Diego, 13 mi away
60/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.8★ from 148 Google reviews, listed on Google as “Swimming pool contractor”.
Based in San Diego, 10 mi away
60/100CR ScoreRanked #14 because of its Google rating and trade focus: 5.0★ from 40 Google reviews, listed on Google as “Swimming pool contractor”.
Based in San Diego, 12 mi away
60/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.8★ from 50 Google reviews, listed on Google as “Swimming pool contractor”.
Based in San Diego, 19 mi away
59/100CR ScoreRanked #16 because of its Google rating and trade focus: 5.0★ from 53 Google reviews, listed on Google as “Swimming pool repair service”.
#17 World Pools Inc
Based in El Cajon
59/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.6★ from 41 Google reviews, listed on Google as “Swimming pool contractor”.
Based in El Cajon
59/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.8★ from 35 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Chula Vista, 14 mi away
59/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.8★ from 21 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Carlsbad, 14 mi away
59/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.9★ from 36 Google reviews, listed on Google as “Swimming pool repair service”.
#21 San Diego Pools
Based in Santee, 3 mi away
59/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.6★ from 63 Google reviews, listed on Google as “Swimming pool contractor”.
#22 GL Pools
Based in Santee, 3 mi away
59/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.7★ from 93 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Rancho Penasquitos, 17 mi away
59/100CR ScoreRanked #23 because of its Google rating and trade focus: 4.8★ from 86 Google reviews, listed on Google as “Swimming pool repair service”.
Based in San Diego, 11 mi away
59/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.9★ from 117 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Rancho Penasquitos, 20 mi away
58/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.8★ from 45 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 228 ranked pool builders here; the rest are on their profiles.
Also serving El Cajon
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) | In El Cajon |
| All Vinyl Pools | 1.0★ (1) | In El Cajon |
| Blue Ribbon Pool Services | 1.0★ (2) | 17 mi |
| Bonita Vista Pool Services | 4.5★ (2) | 11 mi |
| Ca 4 Seasons Pools-N-Spas | In El Cajon | |
| Crystal Vista Pool Tech Inc | 5.0★ (2) | In El Cajon |
| Custom Creations By Alex Tile & Marble Installation | 5.0★ (2) | 9 mi |
| Endless Summer Pools | In El Cajon | |
| Estradas Pools LLC | 5.0★ (2) | 9 mi |
| Gaxiola Pools Inc | In El Cajon | |
| Griffith Pools | 3.0★ (2) | 13 mi |
| Heritage Pools | 3.0★ (2) | 3 mi |
| Hoody's Pool Services | 5.0★ (2) | 12 mi |
| JV Pool & Spa Maintenance | 5.0★ (2) | 17 mi |
| Pro-Active Concrete, Inc. | 5.0★ (1) | In El Cajon |
| Rocco's Modern Pools | In El Cajon | |
| summer pools inc | 5.0★ (1) | In El Cajon |
| The Best Pool & Spa Services | In El Cajon | |
| Vida Pool and Spa Care | 3.5★ (2) | 9 mi |
| Walker Family Pool Services | 3.0★ (2) | 9 mi |
How we ranked El Cajon pool builders
We scored 228 El Cajon 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 El Cajon 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 El Cajon: frequently asked questions
Who is the best pool builder in El Cajon?
By CR Score, the highest-ranked pool builder in El Cajon, CA is Triton Water Renewal LLC with a CR Score of 62/100. It has 5.0★ from 346 Google reviews. It is open Saturdays until 2 PM. McKinney's Pool Service (#2) and Ramos & Son's Pool Co (#3) follow. We ranked 228 pool builders on ten factors, last updated November 3, 2026.
How many pool builders are there in El Cajon?
ContractorsRanked ranks 228 pool builders serving El Cajon, CA. 10 of them are based in El Cajon; 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 El Cajon are open 24/7?
10 ranked pool builders in El Cajon post 24/7 hours. The highest-ranked are Ramos & Son's Pool Co (#3), CA Pool Pros (#4) and Aqua Go H2o Pool Services (#19). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which pool builders in El Cajon work on weekends?
115 of 228 ranked pool builders post Saturday hours and 46 post Sunday hours. The highest-ranked open Saturdays are Triton Water Renewal LLC (#1), McKinney's Pool Service (#2) and Ramos & Son's Pool Co (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do El Cajon pool builders have?
The median Google rating among 228 rated pool builders in El Cajon is 4.8★, with a median of 13 reviews. Triton Water Renewal LLC has the most, 346 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 El Cajon count in this ranking?
Yes, if they are within 40 mi of the El Cajon 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 El Cajon
- November 2026: CR Scores recalculated for 228 pool builders serving El Cajon.
- November 2026: 4 duplicate listings merged.
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