60/100CR Score
Ranked #1 because of its Google rating and trade focus: 4.9★ from 159 Google reviews, listed on Google as “Swimming pool contractor”.
Best Pool Builders in Norwalk, CT (2026)
551 pool builders ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Norwalk: Lifeguard LI, CR Score 60/100; 4.9★ from 159 Google reviews; open 7 days a week.
- 5
Best for emergencies (open 24/7): New Canaan Pool Service, posts 24/7 hours; ranked #5 of 551.
- 3
Most-reviewed: Island Recreational, 2,882 Google reviews at 4.5★, the most of 551 ranked; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
551 Norwalk pool builders are ranked here by CR Score, from ten published factors. 43 are open 24/7, 349 open Saturdays and 140 open Sundays, based on posted hours. The median Google rating is 4.6★ across 551 rated businesses.
Top 10 pool builders in Norwalk at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Lifeguard LI | 60 | 4.9★ (159) | Glen Cove, 21 mi away | Sat · Sun · Emergency | Overall |
| 2 | Bob the Diver | 60 | 5.0★ (364) | Ronkonkoma, 26 mi away | Sat · Sun · Evenings | — |
| 3 | Island Recreational | 60 | 4.5★ (2,882) | Massapequa, 29 mi away | Sat · Sun | Most reviews |
| 4 | Pool Doctor | 59 | 4.8★ (604) | East Northport, 18 mi away | Sat | — |
| 5 | New Canaan Pool Service | 59 | 4.7★ (20) | Norwalk | 24/7 | Emergencies |
| 6 | Suntek Pools & Spas | 59 | 4.9★ (319) | Farmingdale, 26 mi away | Sat · Sun | — |
| 7 | Pool Leak Detection LLC | 58 | 5.0★ (320) | Woodbury, 33 mi away | Sat · Sun · Evenings | — |
| 8 | Florida Concepts Pools & spa’s Inc. | 58 | 4.9★ (79) | Mahopac, 24 mi away | 24/7 | — |
| 9 | Advantage L.I. | 58 | 4.9★ (218) | Holbrook, 27 mi away | Sat · Sun | — |
| 10 | Blue Water Pools of Connecticut | 58 | 4.9★ (272) | Danbury, 18 mi away | Sat | — |
The 551 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 Ronkonkoma, 26 mi away
60/100CR ScoreRanked #2 because of its Google rating and trade focus: 5.0★ from 364 Google reviews, listed on Google as “Swimming pool repair service”.
Based in Massapequa, 29 mi away
60/100CR ScoreRanked #3 because of its Google rating and review volume: 4.5★ from 2,882 Google reviews, the most in Norwalk.
#4 Pool Doctor
Based in East Northport, 18 mi away
59/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.8★ from 604 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Norwalk
59/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.7★ from 20 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Farmingdale, 26 mi away
59/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.9★ from 319 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Woodbury, 33 mi away
58/100CR ScoreRanked #7 because of its Google rating and trade focus: 5.0★ from 320 Google reviews, listed on Google as “Swimming pool repair service”.
Based in Mahopac, 24 mi away
58/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.9★ from 79 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Holbrook, 27 mi away
58/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.9★ from 218 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Danbury, 18 mi away
58/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.9★ from 272 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Selden, 36 mi away
57/100CR ScoreRanked #11 because of its Google rating and trade focus: 5.0★ from 109 Google reviews, listed on Google as “Swimming pool contractor”.
#12 OUTSIDE
Based in Port Chester, 16 mi away
57/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.9★ from 126 Google reviews, listed on Google as “Swimming pool repair service”.
Based in Coram, 27 mi away
57/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.8★ from 176 Google reviews, listed on Google as “Swimming pool contractor”.
Based in East Elmhurst, 35 mi away
57/100CR ScoreRanked #14 because of its Google rating and trade focus: 5.0★ from 80 Google reviews, listed on Google as “Swimming pool repair service”.
#15 in2blue design
Based in Norwalk
57/100CR ScoreRanked #15 because of its Google rating and trade focus: 5.0★ from 27 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Hackensack, 37 mi away
57/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.9★ from 102 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Lake Ronkonkoma, 26 mi away
56/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.6★ from 226 Google reviews, listed on Google as “Swimming pool repair service”.
Based in Jefferson Valley-Yorktown, 27 mi away
56/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.7★ from 238 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Long Island City, 36 mi away
56/100CR ScoreRanked #19 because of its Google rating and trade focus: 5.0★ from 67 Google reviews, listed on Google as “Swimming pool contractor”.
#20 Glengate
Based in Wilton, 6 mi away
56/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.8★ from 121 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Commack, 20 mi away
56/100CR ScoreRanked #21 because of its Google rating and trade focus: 5.0★ from 106 Google reviews, listed on Google as “Swimming pool contractor”.
Based in New York City, 30 mi away
56/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.9★ from 100 Google reviews, listed on Google as “Swimming pool repair service”.
#23 Lang Pools
Based in Norwalk
56/100CR ScoreRanked #23 because of its Google rating and trade focus: 4.5★ from 175 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Stamford, 9 mi away
56/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.9★ from 17 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Lake Ronkonkoma, 25 mi away
56/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.9★ from 55 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 551 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 |
|---|---|---|
| Absolute Pools & Spas Inc. | 5.0★ (2) | 20 mi |
| ANM Pools & Fence LLC | 4.5★ (2) | In Norwalk |
| Aqua Pro Pools | In Norwalk | |
| Aquachecks | 5.0★ (2) | 13 mi |
| Bella Pools & Fence LLC | 4.5★ (2) | 5 mi |
| Blue Haven Pools & Spas | 5.0★ (2) | 7 mi |
| Cardillo Pools & Spas | 3.0★ (2) | 24 mi |
| Five Star Pool Liners Islandia | 3.0★ (2) | 25 mi |
| JMK Custom Pool Houses | In Norwalk | |
| Li Pools | 5.0★ (2) | 25 mi |
| London Pools | 5.0★ (2) | 19 mi |
| NextWave Plumbers of Norwalk | 5.0★ (21) | In Norwalk |
| Northway Pool Servce | 3.5★ (2) | 22 mi |
| OUTSIDE (Previously Tamm's Pools, Inc.) | 5.0★ (2) | 11 mi |
| Palatial Pools Inc. | 5.0★ (2) | 23 mi |
| pool solutions | 3.0★ (2) | 23 mi |
| Pristine Pools of Greenwich | 3.0★ (2) | 6 mi |
| Shoreline Pools, Inc. | 5.0★ (2) | 10 mi |
| Tony’s D and pool service | 5.0★ (2) | 19 mi |
| Z pool boy | 5.0★ (2) | 23 mi |
How we ranked Norwalk pool builders
We scored 551 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 2, 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, CT is Lifeguard LI with a CR Score of 60/100. It has 4.9★ from 159 Google reviews. It is open 7 days a week. Bob the Diver (#2) and Island Recreational (#3) follow. We ranked 551 pool builders on ten factors, last updated November 2, 2026.
How many pool builders are there in Norwalk?
ContractorsRanked ranks 551 pool builders serving Norwalk, CT. 6 of them are based in Norwalk; 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 Norwalk are open 24/7?
43 ranked pool builders in Norwalk post 24/7 hours. The highest-ranked are New Canaan Pool Service (#5), Florida Concepts Pools & spa’s Inc. (#8) and Long Island Pool Covers (#11). Lifeguard LI (#1) also lists emergency service. Hours come from each business's Google listing as of November 2026, so call to confirm.
Which pool builders in Norwalk work on weekends?
349 of 551 ranked pool builders post Saturday hours and 140 post Sunday hours. The highest-ranked open Saturdays are Lifeguard LI (#1), Bob the Diver (#2) and Island Recreational (#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 551 rated pool builders in Norwalk is 4.6★, with a median of 20 reviews. Island Recreational has the most, 2,882 reviews, and ranks #3. 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 551 pool builders serving Norwalk.
- November 2026: 2 duplicate listings merged.
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