61/100CR Score
Ranked #1 because of its Google rating and trade focus: 5.0★ from 39 Google reviews, listed on Google as “Swimming pool repair service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Best Pool Builders in Seaside, CA (2026)
20 pool builders ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Seaside: HydratechS Pool & Spa, CR Score 61/100; 5.0★ from 39 Google reviews; open Saturdays until 2 PM.
- 3
Best for emergencies (open 24/7): Legendary Pools, posts 24/7 hours; ranked #3 of 20.
- 10
Most-reviewed: American Leak Detection of San Jose, Santa Clara, Santa Cruz and Monterey, 45 Google reviews at 4.0★, the most of 20 ranked; ranked #10.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
20 Seaside pool builders are ranked here by CR Score, from ten published factors. 1 is open 24/7, 10 open Saturdays and 3 open Sundays, based on posted hours. The median Google rating is 4.6★ across 20 rated businesses.
Top 10 pool builders in Seaside at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | HydratechS Pool & Spa | 61 | 5.0★ (39) | Marina, 6 mi away | Sat | Overall |
| 2 | APPI Pool & Spa | 55 | 4.0★ (41) | Santa Cruz, 27 mi away | Sat | — |
| 3 | Legendary Pools | 54 | 5.0★ (11) | San Martin, 37 mi away | 24/7 | Emergencies |
| 4 | Sun Splash Pools | 53 | 4.6★ (22) | San Martin, 35 mi away | Sat | — |
| 5 | Peninsula Pool Service & Supply | 52 | 3.1★ (11) | Monterey, 1 mi away | — | — |
| 6 | Estate Pools Inc | 52 | 3.7★ (6) | Salinas, 10 mi away | Sat | — |
| 7 | Krystal Water Pools | 51 | 4.6★ (10) | Morgan Hill, 37 mi away | Sat · Sun | — |
| 8 | Cali Pools | 50 | 4.7★ (12) | Morgan Hill, 38 mi away | Sat | — |
| 9 | San Juan Pools of Monterey, INC. | 50 | 3.0★ (8) | Monterey, 9 mi away | — | — |
| 10 | American Leak Detection of San Jose, Santa Clara, Santa Cruz and Monterey | 49 | 4.0★ (45) | Interlaken, 14 mi away | — | Most reviews |
The 20 best pool builders in Seaside, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Based in Santa Cruz, 27 mi away
55/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.0★ from 41 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in San Martin, 37 mi away
54/100CR ScoreRanked #3 because of its Google rating and trade focus: 5.0★ from 11 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in San Martin, 35 mi away
53/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.6★ from 22 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Monterey, 1 mi away
52/100CR ScoreRanked #5 because of its Google rating and trade focus: 3.1★ from 11 Google reviews, listed on Google as “Swimming pool repair service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Salinas, 10 mi away
52/100CR ScoreRanked #6 because of its Google rating and trade focus: 3.7★ from 6 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Morgan Hill, 37 mi away
51/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.6★ from 10 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#8 Cali Pools
Based in Morgan Hill, 38 mi away
50/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.7★ from 12 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Monterey, 9 mi away
50/100CR ScoreRanked #9 because of its Google rating and trade focus: 3.0★ from 8 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Interlaken, 14 mi away
49/100CR ScoreRanked #10 because of its Google rating and review volume: 4.0★ from 45 Google reviews, the most in Seaside.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Salinas, 14 mi away
49/100CR ScoreRanked #11 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Swimming pool repair service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Prunedale, 36 mi away
49/100CR ScoreRanked #12 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Swimming pool repair service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Watsonville, 20 mi away
49/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.5★ from 6 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Santa Cruz, 27 mi away
49/100CR ScoreRanked #14 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Swimming pool repair service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Gilroy, 32 mi away
48/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.4★ from 5 Google reviews, listed on Google as “Swimming pool repair service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
#16 JC's Pools
Based in Gilroy, 31 mi away
47/100CR ScoreRanked #16 because of its Google rating and trade focus: 3.7★ from 3 Google reviews, listed on Google as “Swimming pool repair service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Watsonville, 20 mi away
46/100CR ScoreRanked #17 because of its Google rating and review volume: 4.6★ from 17 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Live Oak, 31 mi away
45/100CR ScoreRanked #18 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Swimming pool repair service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Saratoga, 38 mi away
44/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.3★ from 3 Google reviews, listed on Google as “Swimming pool repair service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Santa Cruz, 27 mi away
43/100CR ScoreRanked #20 because of its Google rating and review volume: 5.0★ from 8 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Also serving Seaside
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 |
|---|---|---|
| Advanced Garden Solutions | In Seaside | |
| Aloha Pool and Spa | 5.0★ (1) | 32 mi |
| Blue Sea House Cleaning Service | 5.0★ (2) | In Seaside |
| Crystal Clear Pool & Spa | 1.0★ (1) | 31 mi |
| Cypress Pools | 6 mi | |
| Darren's Pool Service | 5.0★ (1) | 31 mi |
| Delta Pool Care | 3 mi | |
| Fernandez pool and spa service | 5.0★ (2) | 13 mi |
| Legacy Landscaping | In Seaside | |
| MH Builders | 21 mi | |
| Monterey Bay Pool & Spa | 5.0★ (2) | 23 mi |
| Monterey Concrete Contractor | In Seaside | |
| R & M Pool Service | 5.0★ (1) | 38 mi |
| San Juan Pools of Monterey | 21 mi | |
| Shasta Pools Construction Inc. | 5.0★ (1) | 31 mi |
| Spa Duck Pools Inc. | 6 mi | |
| Spa Duck Specialties Inc | 5.0★ (1) | 27 mi |
| The Home Depot | 4.0★ (1,330) | In Seaside |
| Todd Lane Pool & Spa | 5.0★ (1) | 26 mi |
| True Blue Pool and Spa Care | 5.0★ (2) | 26 mi |
How we ranked Seaside pool builders
We scored 20 Seaside 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 Seaside 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 Seaside: frequently asked questions
Who is the best pool builder in Seaside?
By CR Score, the highest-ranked pool builder in Seaside, CA is HydratechS Pool & Spa with a CR Score of 61/100. It has 5.0★ from 39 Google reviews. It is open Saturdays until 2 PM. APPI Pool & Spa (#2) and Legendary Pools (#3) follow. We ranked 20 pool builders on ten factors, last updated November 3, 2026.
How many pool builders are there in Seaside?
ContractorsRanked ranks 20 pool builders serving Seaside, CA. Another 20 within 40 mi are listed but not ranked yet. Counts are as of November 2026.
Which pool builders in Seaside are open 24/7?
1 ranked pool builder in Seaside posts 24/7 hours. The highest-ranked is Legendary Pools (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which pool builders in Seaside work on weekends?
10 of 20 ranked pool builders post Saturday hours and 3 post Sunday hours. The highest-ranked open Saturdays are HydratechS Pool & Spa (#1), APPI Pool & Spa (#2) and Legendary Pools (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Seaside pool builders have?
The median Google rating among 20 rated pool builders in Seaside is 4.6★, with a median of 8 reviews. American Leak Detection of San Jose, Santa Clara, Santa Cruz and Monterey has the most, 45 reviews, and ranks #10. 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 Seaside count in this ranking?
Yes, if they are within 40 mi of the Seaside 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 Seaside
- November 2026: CR Scores recalculated for 20 pool builders serving Seaside.
More pool builders and Seaside pages
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