62/100CR Score
Ranked #1 because of its Google rating and review volume: 4.8★ from 447 Google reviews, the most in Norwalk.
Best Pool Builders in Norwalk, CA (2026)
814 pool builders ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Norwalk: PoolGenX, CR Score 62/100; 4.8★ from 447 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Glendale Pool Repair&Leaks, posts 24/7 hours; ranked #2 of 814.
- 31
Most-reviewed: Living Water Pool Service, 272 Google reviews at 5.0★, the most of 814 ranked after PoolGenX; ranked #31.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
814 Norwalk pool builders are ranked here by CR Score, from ten published factors. 104 are open 24/7, 479 open Saturdays and 267 open Sundays, based on posted hours. The median Google rating is 4.9★ across 814 rated businesses.
Top 10 pool builders in Norwalk at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | PoolGenX | 62 | 4.8★ (447) | Riverside, 37 mi away | 24/7 | Overall |
| 2 | Glendale Pool Repair&Leaks | 62 | 4.9★ (103) | Glendale, 19 mi away | 24/7 | Emergencies |
| 3 | FC Pool | 61 | 4.7★ (146) | Los Angeles, 23 mi away | 24/7 | — |
| 4 | Royal Globe Pool Construction | 61 | 4.9★ (81) | Los Angeles, 21 mi away | 24/7 | — |
| 5 | Encore Builders - Outdoor Living | 61 | 5.0★ (177) | Canoga Park, 36 mi away | 24/7 | — |
| 6 | Pool Repair & Replaster CA | 61 | 4.8★ (56) | Torrance, 14 mi away | 24/7 | — |
| 7 | Saddleback Mountain pool and spa service | 61 | 5.0★ (253) | Rancho Santa Margarita, 33 mi away | Sat · Sun · Evenings | — |
| 8 | Timeless Builds - Swimming Pool Contractor Los Angeles | 60 | 4.9★ (71) | Los Angeles, 22 mi away | 24/7 | — |
| 9 | Sunshine Pool and Leak Stoppers | 60 | 4.9★ (127) | Marina del Rey, 23 mi away | Sat · Sun · Evenings | — |
| 10 | Cabana Pool Service | 60 | 5.0★ (71) | Torrance, 16 mi away | Sat · Sun | — |
The 814 best pool builders in Norwalk, 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 Glendale, 19 mi away
62/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.9★ from 103 Google reviews, listed on Google as “Swimming pool repair service”.
#3 FC Pool
Based in Los Angeles, 23 mi away
61/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.7★ from 146 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Los Angeles, 21 mi away
61/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.9★ from 81 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Canoga Park, 36 mi away
61/100CR ScoreRanked #5 because of its Google rating and trade focus: 5.0★ from 177 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Torrance, 14 mi away
61/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.8★ from 56 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Rancho Santa Margarita, 33 mi away
61/100CR ScoreRanked #7 because of its Google rating and trade focus: 5.0★ from 253 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Los Angeles, 22 mi away
60/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.9★ from 71 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Marina del Rey, 23 mi away
60/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.9★ from 127 Google reviews, listed on Google as “Swimming pool repair service”.
Based in Torrance, 16 mi away
60/100CR ScoreRanked #10 because of its Google rating and trade focus: 5.0★ from 71 Google reviews, listed on Google as “Swimming pool repair service”.
Based in Anaheim, 10 mi away
60/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.5★ from 120 Google reviews, listed on Google as “Swimming pool repair service”.
Based in Redondo Beach, 17 mi away
60/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.9★ from 42 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Los Angeles, 20 mi away
60/100CR ScoreRanked #13 because of its Google rating and trade focus: 5.0★ from 88 Google reviews, listed on Google as “Swimming pool repair service”.
Based in Sherman Oaks, 28 mi away
60/100CR ScoreRanked #14 because of its Google rating and trade focus: 5.0★ from 73 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Arcadia, 17 mi away
60/100CR ScoreRanked #15 because of its Google rating and trade focus: 5.0★ from 68 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Culver City, 19 mi away
60/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.8★ from 108 Google reviews, listed on Google as “Swimming pool repair service”.
Based in Fullerton, 8 mi away
60/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.9★ from 198 Google reviews, listed on Google as “Swimming pool repair service”.
Based in Upland, 26 mi away
60/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.7★ from 220 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Culver City, 19 mi away
60/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.9★ from 40 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Beverly Hills, 22 mi away
60/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.8★ from 115 Google reviews, listed on Google as “Swimming pool repair service”.
Based in Torrance, 15 mi away
60/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.8★ from 33 Google reviews, listed on Google as “Swimming pool contractor”.
Based in East Los Angeles, 14 mi away
60/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.5★ from 48 Google reviews, listed on Google as “Swimming pool repair service”.
Based in Huntington Beach, 18 mi away
60/100CR ScoreRanked #23 because of its Google rating and trade focus: 5.0★ from 62 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Torrance, 14 mi away
59/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.7★ from 76 Google reviews, listed on Google as “Swimming pool repair service”.
Based in Studio City, 23 mi away
59/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.8★ from 109 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 814 ranked pool builders here; the rest are on their profiles.
Also serving Norwalk
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 |
|---|---|---|
| All Seasons Custom Pools | 5.0★ (2) | In Norwalk |
| Baccaro Pool Service | 2.5★ (2) | 9 mi |
| Cross Pool Restoration | 5.0★ (2) | 10 mi |
| D J Gunite Inc | In Norwalk | |
| Daniels Pools Services | 3.0★ (2) | 7 mi |
| Gonzalez Pool Plastering | 3.0★ (2) | 3 mi |
| Healing Waters | 5.0★ (2) | 9 mi |
| Lakewood Pool Service | In Norwalk | |
| Leak Specialists | 5.0★ (2) | 4 mi |
| McCoy Pool Construction | 4.5★ (2) | 5 mi |
| MSN POOL PLASTERING CONSTRUCTION | 5.0★ (2) | 6 mi |
| Nexus Pool Construction | 5.0★ (2) | 5 mi |
| Paradise Pools | 5.0★ (2) | 5 mi |
| PERSONAL SPACE FENCING | In Norwalk | |
| Pool Builder Signal Hill | 5.0★ (2) | 8 mi |
| Property Maintenance Service by John and Jim | In Norwalk | |
| RightWay Norwalk Concrete | 5.0★ (2) | In Norwalk |
| Roman Holiday Pools | 5.0★ (2) | 7 mi |
| Ruiz Pool & Spa | 1.0★ (2) | 8 mi |
| Sarian's Pool Services | 4.0★ (2) | 8 mi |
How we ranked Norwalk pool builders
We scored 814 Norwalk 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 Norwalk 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 Norwalk: frequently asked questions
Who is the best pool builder in Norwalk?
By CR Score, the highest-ranked pool builder in Norwalk, CA is PoolGenX with a CR Score of 62/100. It has 4.8★ from 447 Google reviews. It is open 24/7. Glendale Pool Repair&Leaks (#2) and FC Pool (#3) follow. We ranked 814 pool builders on ten factors, last updated November 3, 2026.
How many pool builders are there in Norwalk?
ContractorsRanked ranks 814 pool builders serving Norwalk, CA. Another 20 within 40 mi are listed but not ranked yet. Counts are as of November 2026.
Which pool builders in Norwalk are open 24/7?
104 ranked pool builders in Norwalk post 24/7 hours. The highest-ranked are PoolGenX (#1), Glendale Pool Repair&Leaks (#2) and FC Pool (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which pool builders in Norwalk work on weekends?
479 of 814 ranked pool builders post Saturday hours and 267 post Sunday hours. The highest-ranked open Saturdays are PoolGenX (#1), Glendale Pool Repair&Leaks (#2) and FC Pool (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Norwalk pool builders have?
The median Google rating among 814 rated pool builders in Norwalk is 4.9★, with a median of 12 reviews. PoolGenX has the most, 447 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 Norwalk count in this ranking?
Yes, if they are within 40 mi of the Norwalk 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 Norwalk
- November 2026: CR Scores recalculated for 814 pool builders serving Norwalk.
- November 2026: 10 duplicate listings merged.
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