64/100CR Score
Ranked #1 because of its Google rating and review volume: 5.0★ from 579 Google reviews, the most in Thornton.
Best Pool Builders in Thornton, CO (2026)
81 pool builders ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Thornton: Alpine Hot Tub Moving & Hot Tub Repair Service, CR Score 64/100; 5.0★ from 579 Google reviews; open Saturdays until 5 PM.
- 3
Best for emergencies (open 24/7): Neptune Pools, posts 24/7 hours; ranked #3 of 81.
- 45
Most-reviewed: American Leak Detection of Denver, 216 Google reviews at 4.7★, the most of 81 ranked after Alpine Hot Tub Moving & Hot Tub Repair Service; ranked #45.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
81 Thornton pool builders are ranked here by CR Score, from ten published factors. 9 are open 24/7, 35 open Saturdays and 17 open Sundays, based on posted hours. The median Google rating is 4.7★ across 81 rated businesses.
Top 10 pool builders in Thornton at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Alpine Hot Tub Moving & Hot Tub Repair Service | 64 | 5.0★ (579) | Denver, 8 mi away | Sat | Overall |
| 2 | Marina Pool Spa & Patio | 60 | 4.5★ (168) | Lakewood, 13 mi away | Sat · Sun | — |
| 3 | Neptune Pools | 59 | 4.6★ (32) | Centennial, 13 mi away | 24/7 | Emergencies |
| 4 | Crystal Clear Pools & Spas Inc | 59 | 4.4★ (114) | Denver, 2 mi away | Sat | — |
| 5 | Integrity Pool Builders | 57 | 5.0★ (92) | Englewood, 14 mi away | — | — |
| 6 | Aquality Pools & Spas | 57 | 4.9★ (67) | Broomfield, 8 mi away | — | — |
| 7 | Denver Pool Maintenance | 57 | 4.5★ (8) | Denver, 11 mi away | 24/7 | — |
| 8 | Turnbull Hot Tub & Pool Repair | 56 | 4.8★ (133) | Centennial, 19 mi away | — | — |
| 9 | Atlantis Pool & Spa | 56 | 4.1★ (89) | Denver, 2 mi away | Sat | — |
| 10 | Level Up Leak Detection of Colorado | 56 | 5.0★ (11) | Highlands Ranch, 12 mi away | 24/7 | — |
The 81 best pool builders in Thornton, 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 Lakewood, 13 mi away
60/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.5★ from 168 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Centennial, 13 mi away
59/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.6★ from 32 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Denver, 2 mi away
59/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.4★ from 114 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Englewood, 14 mi away
57/100CR ScoreRanked #5 because of its Google rating and trade focus: 5.0★ from 92 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Broomfield, 8 mi away
57/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.9★ from 67 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Denver, 11 mi away
57/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.5★ from 8 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Centennial, 19 mi away
56/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.8★ from 133 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Denver, 2 mi away
56/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.1★ from 89 Google reviews, listed on Google as “Swimming pool repair service”.
Based in Highlands Ranch, 12 mi away
56/100CR ScoreRanked #10 because of its Google rating and trade focus: 5.0★ from 11 Google reviews, listed on Google as “Swimming pool repair service”.
#11 Clean Pool
Based in Centennial, 18 mi away
56/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.3★ from 11 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Denver, 14 mi away
56/100CR ScoreRanked #12 because of its Google rating and trade focus: 5.0★ from 11 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Golden, 15 mi away
56/100CR ScoreRanked #13 because of its Google rating and trade focus: 5.0★ from 12 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Highlands Ranch, 8 mi away
56/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.5★ from 8 Google reviews, listed on Google as “Swimming pool repair service”.
Based in Thornton
56/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.9★ from 10 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Lakewood, 14 mi away
55/100CR ScoreRanked #16 because of its Google rating and trade focus: 5.0★ from 34 Google reviews, listed on Google as “Swimming pool repair service”.
Based in Centennial, 22 mi away
55/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.7★ from 15 Google reviews, listed on Google as “Swimming pool repair service”.
Based in Denver, 2 mi away
55/100CR ScoreRanked #18 because of its Google rating and review volume: 4.8★ from 129 Google reviews.
Based in Westminster, 4 mi away
55/100CR ScoreRanked #19 because of its Google rating and trade focus: 5.0★ from 15 Google reviews, listed on Google as “Swimming pool repair service”.
Based in Englewood, 15 mi away
55/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.8★ from 52 Google reviews, listed on Google as “Swimming pool contractor”.
#21 Pool Doctor
Based in Lakewood, 13 mi away
55/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.6★ from 50 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Englewood, 14 mi away
54/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.1★ from 9 Google reviews, listed on Google as “Swimming pool contractor”.
#23 Pisces Pools
Based in Centennial, 28 mi away
54/100CR ScoreRanked #23 because of its Google rating and trade focus: 4.9★ from 37 Google reviews, listed on Google as “Swimming pool contractor”.
#24 Cover Care, LLC
Based in Denver, 17 mi away
54/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.6★ from 61 Google reviews, listed on Google as “Swimming pool repair service”.
#25 Mr Pool
Based in Boulder, 19 mi away
54/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.2★ from 47 Google reviews, listed on Google as “Swimming pool contractor”.
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 81 ranked pool builders here; the rest are on their profiles.
Also serving Thornton
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 Terrain Landscaping | 5.0★ (2) | 19 mi |
| Art Of Construction | 5.0★ (1) | In Thornton |
| Blue Water Pools | 5.0★ (2) | 40 mi |
| colorado pool pros | 5.0★ (2) | In Thornton |
| Denver PERFECT pool plaster | 5.0★ (2) | 14 mi |
| Eco Friendly Pools | 4.0★ (2) | 13 mi |
| Excellence Landscaping LLC | 5.0★ (4) | In Thornton |
| JL Pools and Spas LLC | 5.0★ (2) | 26 mi |
| Majestic Water Spouts | 5.0★ (2) | 9 mi |
| Platinum Property & Pool Management | 5.0★ (2) | 15 mi |
| Pool Shark, Inc. | 3.5★ (2) | 7 mi |
| Ridgeline Pools and Spas | 5.0★ (2) | 5 mi |
| Rocky Mountain Pool Builders | 3.0★ (2) | 3 mi |
| San Juan Pools of Colorado | In Thornton | |
| Seewald Construction | 5.0★ (2) | 29 mi |
| Taylor Kohrs | 3.1★ (17) | In Thornton |
| Thornton Fencing | In Thornton | |
| Thornton Plumbers | 5.0★ (13) | In Thornton |
| Turf by Design | 4.4★ (11) | In Thornton |
| WET Pools & Spas | 5.0★ (2) | 35 mi |
How we ranked Thornton pool builders
We scored 81 Thornton 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 Thornton 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 Thornton: frequently asked questions
Who is the best pool builder in Thornton?
By CR Score, the highest-ranked pool builder in Thornton, CO is Alpine Hot Tub Moving & Hot Tub Repair Service with a CR Score of 64/100. It has 5.0★ from 579 Google reviews. It is open Saturdays until 5 PM. Marina Pool Spa & Patio (#2) and Neptune Pools (#3) follow. We ranked 81 pool builders on ten factors, last updated November 2, 2026.
How many pool builders are there in Thornton?
ContractorsRanked ranks 81 pool builders serving Thornton, CO. 2 of them are based in Thornton; 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 Thornton are open 24/7?
9 ranked pool builders in Thornton post 24/7 hours. The highest-ranked are Neptune Pools (#3), Denver Pool Maintenance (#7) and Level Up Leak Detection of Colorado (#10). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which pool builders in Thornton work on weekends?
35 of 81 ranked pool builders post Saturday hours and 17 post Sunday hours. The highest-ranked open Saturdays are Alpine Hot Tub Moving & Hot Tub Repair Service (#1), Marina Pool Spa & Patio (#2) and Neptune Pools (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Thornton pool builders have?
The median Google rating among 81 rated pool builders in Thornton is 4.7★, with a median of 15 reviews. Alpine Hot Tub Moving & Hot Tub Repair Service has the most, 579 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 Thornton count in this ranking?
Yes, if they are within 40 mi of the Thornton 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 Thornton
- November 2026: CR Scores recalculated for 81 pool builders serving Thornton.
- November 2026: 1 duplicate listing merged.
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