63/100CR Score
Ranked #1 because of its Google rating and trade focus: 4.9★ from 83 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 Alton, TX (2026)
50 pool builders ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Alton: Clear Blue Pool Service LLC, CR Score 63/100; 4.9★ from 83 Google reviews; open 7 days a week.
- 6
Best for emergencies (open 24/7): Legacy Construction & Roofing, LLC, posts 24/7 hours; ranked #6 of 50.
- 7
Most-reviewed: Hamlin Pools, 110 Google reviews at 4.0★, the most of 50 ranked; ranked #7.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
50 Alton pool builders are ranked here by CR Score, from ten published factors. 5 are open 24/7, 31 open Saturdays and 7 open Sundays, based on posted hours. The median Google rating is 4.5★ across 50 rated businesses.
Top 10 pool builders in Alton at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Clear Blue Pool Service LLC | 63 | 4.9★ (83) | McAllen, 10 mi away | Sat · Sun · Evenings | Overall |
| 2 | Chlor-A-Clean Pool Services | 59 | 4.9★ (39) | McAllen, 5 mi away | Sat | — |
| 3 | Aqua Clear Pools LLC | 59 | 4.5★ (49) | McAllen, 5 mi away | Sat | — |
| 4 | ASP - America's Swimming Pool Company of Rio Grande Valley | 58 | 4.9★ (50) | Edinburg, 10 mi away | — | — |
| 5 | Natural Stone Pools 956 | 58 | 5.0★ (24) | Edinburg, 18 mi away | Sat · Sun · Evenings | — |
| 6 | Legacy Construction & Roofing, LLC | 57 | 4.9★ (51) | McAllen, 7 mi away | 24/7 | Emergencies |
| 7 | Hamlin Pools | 57 | 4.0★ (110) | Pharr, 9 mi away | — | Most reviews |
| 8 | Octopus Pool & Spa LLC | 56 | 4.1★ (24) | McAllen, 6 mi away | Sat | — |
| 9 | El Charco Azul | 56 | 4.8★ (20) | Donna, 17 mi away | — | — |
| 10 | NOE'S POOL SERVICE | 55 | 4.3★ (23) | Edinburg, 14 mi away | — | — |
The 50 best pool builders in Alton, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Based in McAllen, 5 mi away
59/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.9★ from 39 Google reviews, listed on Google as “Swimming pool repair service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in McAllen, 5 mi away
59/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.5★ from 49 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Edinburg, 10 mi away
58/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.9★ from 50 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Edinburg, 18 mi away
58/100CR ScoreRanked #5 because of its Google rating and trade focus: 5.0★ from 24 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in McAllen, 7 mi away
57/100CR ScoreRanked #6 because of its Google rating and review volume: 4.9★ from 51 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
#7 Hamlin Pools
Based in Pharr, 9 mi away
57/100CR ScoreRanked #7 because of its Google rating and review volume: 4.0★ from 110 Google reviews, the most in Alton.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in McAllen, 6 mi away
56/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.1★ from 24 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Donna, 17 mi away
56/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.8★ from 20 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Edinburg, 14 mi away
55/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.3★ from 23 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Palmview South, 10 mi away
55/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.7★ from 28 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Donna, 17 mi away
55/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.7★ from 37 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in McAllen, 5 mi away
55/100CR 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 Edinburg, 13 mi away
54/100CR ScoreRanked #14 because of its Google rating and trade focus: 3.9★ 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 Harlingen, 39 mi away
54/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.6★ from 89 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#16 Ultrapool RGV
Based in Brownsville, 32 mi away
54/100CR ScoreRanked #16 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Pharr, 8 mi away
54/100CR ScoreRanked #17 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in McAllen, 8 mi away
53/100CR ScoreRanked #18 because of its Google rating and trade focus: 3.4★ from 5 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in McAllen, 6 mi away
53/100CR ScoreRanked #19 because of its Google rating and trade focus: 2.1★ from 7 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#20 M&A pools
Based in Donna, 16 mi away
53/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.5★ from 10 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Pharr, 14 mi away
53/100CR ScoreRanked #21 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Alamo, 19 mi away
53/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.6★ 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 McAllen, 10 mi away
52/100CR ScoreRanked #23 because of its Google rating and trade focus: 4.2★ 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 McAllen, 4 mi away
52/100CR ScoreRanked #24 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
#25 Green Out Pools
Based in Mission, 4 mi away
52/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.0★ from 4 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
All 50 pool builders
#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile.
Also serving Alton
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 |
|---|---|---|
| Aluri Construction LLC | 5.0★ (1) | 8 mi |
| American Pools & Spas | 5 mi | |
| Angel's Pools Rgv | 3.0★ (2) | 6 mi |
| Aqua Equipos | 3.0★ (2) | 14 mi |
| Aqua Safety | 4.0★ (2) | 4 mi |
| Arevalo Pool's | 5.0★ (1) | 33 mi |
| Ascendant Pools | 4 mi | |
| Backyard and swimming pool palapas | 4 mi | |
| Eleganta Pools Llc | 5.0★ (1) | 7 mi |
| Fast Lane Pools | 5.0★ (1) | 9 mi |
| H2O Pools | 1.0★ (1) | 33 mi |
| Leisure Pools and Spas | 5.0★ (1) | 40 mi |
| McAllen Pool Cleaning | 5.0★ (1) | 16 mi |
| Octopus Pool & Spa LLC | 5.0★ (2) | 30 mi |
| Rock and pools | 5.0★ (2) | 7 mi |
| Southern Quality Homes & Pools | 5.0★ (1) | 5 mi |
| Swimmingpool palapas | In Alton | |
| The Pool Guys | 5.0★ (2) | 37 mi |
| WATERSCAPES POOLS & SPAS LLC | 5.0★ (2) | 4 mi |
| Wolf on Roofs Construction | 5.0★ (2) | 7 mi |
How we ranked Alton pool builders
We scored 50 Alton 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 Alton 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 Alton: frequently asked questions
Who is the best pool builder in Alton?
By CR Score, the highest-ranked pool builder in Alton, TX is Clear Blue Pool Service LLC with a CR Score of 63/100. It has 4.9★ from 83 Google reviews. It is open 7 days a week. Chlor-A-Clean Pool Services (#2) and Aqua Clear Pools LLC (#3) follow. We ranked 50 pool builders on ten factors, last updated November 3, 2026.
How many pool builders are there in Alton?
ContractorsRanked ranks 50 pool builders serving Alton, TX. Another 20 within 40 mi are listed but not ranked yet. Counts are as of November 2026.
Which pool builders in Alton are open 24/7?
5 ranked pool builders in Alton post 24/7 hours. The highest-ranked are Legacy Construction & Roofing, LLC (#6), Iron Horse Pool Service (#13) and Ultrapool RGV (#16). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which pool builders in Alton work on weekends?
31 of 50 ranked pool builders post Saturday hours and 7 post Sunday hours. The highest-ranked open Saturdays are Clear Blue Pool Service LLC (#1), Chlor-A-Clean Pool Services (#2) and Aqua Clear Pools LLC (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Alton pool builders have?
The median Google rating among 50 rated pool builders in Alton is 4.5★, with a median of 9 reviews. Hamlin Pools has the most, 110 reviews, and ranks #7. 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 Alton count in this ranking?
Yes, if they are within 40 mi of the Alton 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 Alton
- November 2026: CR Scores recalculated for 50 pool builders serving Alton.
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