59/100CR Score
Ranked #1 because of its Google rating and review volume: 4.9★ from 86 Google reviews, the most in Coralville.
Based on 8 of 10 factors; credentials and recency not yet collected.
Best Pool Builders in Coralville, IA (2026)
13 pool builders ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Coralville: Blue Lagoon Pool & Spa, CR Score 59/100; 4.9★ from 86 Google reviews; open Saturdays until 12 PM.
- 3
Best for emergencies (open 24/7): aquaLife Pool and Spa Service, posts 24/7 hours; ranked #3 of 13.
- 6
Most-reviewed: Pool & Spa Warehouse, 83 Google reviews at 3.8★, the most of 13 ranked after Blue Lagoon Pool & Spa; ranked #6.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
13 Coralville pool builders are ranked here by CR Score, from ten published factors. 1 is open 24/7, 4 open Saturdays and 1 open Sundays, based on posted hours. The median Google rating is 4.4★ across 13 rated businesses.
Most of this list also appears on the Pool builders in Iowa City ranking. See Pool builders in Iowa City
Top 10 pool builders in Coralville at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Blue Lagoon Pool & Spa | 59 | 4.9★ (86) | Hiawatha, 26 mi away | Sat | Overall |
| 2 | Blue Lagoon Pool & Spa | 58 | 4.7★ (42) | Coralville | — | — |
| 3 | aquaLife Pool and Spa Service | 56 | 4.7★ (12) | Marion, 25 mi away | 24/7 | Emergencies |
| 4 | Pool & Spa Concepts | 56 | 4.3★ (36) | Cedar Rapids, 19 mi away | Sat | — |
| 5 | Pool Tech | 55 | 4.5★ (57) | Cedar Rapids, 23 mi away | — | — |
| 6 | Pool & Spa Warehouse | 55 | 3.8★ (83) | Cedar Rapids, 25 mi away | Sat | Most reviews |
| 7 | Royale Pools | 54 | 3.8★ (29) | Cedar Rapids, 20 mi away | — | — |
| 8 | Aqua-Struction Pools | 53 | 5.0★ (7) | Iowa City, 2 mi away | — | — |
| 9 | McIntosh Pools | 52 | 4.7★ (7) | Iowa City, 7 mi away | — | — |
| 10 | DJ's Pool & Spa, LLC | 51 | 4.2★ (21) | Hiawatha, 26 mi away | — | — |
The 13 best pool builders in Coralville, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Based in Coralville
58/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.7★ from 42 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Marion, 25 mi away
56/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.7★ from 12 Google reviews, listed on Google as “Swimming pool repair service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Cedar Rapids, 19 mi away
56/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.3★ from 36 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#5 Pool Tech
Based in Cedar Rapids, 23 mi away
55/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.5★ from 57 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Cedar Rapids, 25 mi away
55/100CR ScoreRanked #6 because of its Google rating and trade focus: 3.8★ from 83 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#7 Royale Pools
Based in Cedar Rapids, 20 mi away
54/100CR ScoreRanked #7 because of its Google rating and trade focus: 3.8★ from 29 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Iowa City, 2 mi away
53/100CR ScoreRanked #8 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Iowa City, 7 mi away
52/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.7★ from 7 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hiawatha, 26 mi away
51/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.2★ from 21 Google reviews, listed on Google as “Swimming pool repair service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Cedar Rapids, 16 mi away
50/100CR ScoreRanked #11 because of its Google rating and trade focus: 1.1★ from 8 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Cedar Rapids, 25 mi away
48/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.4★ from 7 Google reviews, listed on Google as “Swimming pool repair service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Muscatine, 33 mi away
44/100CR ScoreRanked #13 because of its Google rating and review volume: 4.3★ from 23 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
How we ranked Coralville pool builders
We scored 13 Coralville 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 Coralville 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 Coralville: frequently asked questions
Who is the best pool builder in Coralville?
By CR Score, the highest-ranked pool builder in Coralville, IA is Blue Lagoon Pool & Spa with a CR Score of 59/100. It has 4.9★ from 86 Google reviews. It is open Saturdays until 12 PM. Blue Lagoon Pool & Spa (#2) and aquaLife Pool and Spa Service (#3) follow. We ranked 13 pool builders on ten factors, last updated November 3, 2026.
How many pool builders are there in Coralville?
ContractorsRanked ranks 13 pool builders serving Coralville, IA. 1 of them is based in Coralville; the rest serve it from nearby towns. Counts are as of November 2026.
Which pool builders in Coralville are open 24/7?
1 ranked pool builder in Coralville posts 24/7 hours. The highest-ranked is aquaLife Pool and Spa Service (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which pool builders in Coralville work on weekends?
4 of 13 ranked pool builders post Saturday hours and 1 post Sunday hours. The highest-ranked open Saturdays are Blue Lagoon Pool & Spa (#1), aquaLife Pool and Spa Service (#3) and Pool & Spa Concepts (#4). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Coralville pool builders have?
The median Google rating among 13 rated pool builders in Coralville is 4.4★, with a median of 23 reviews. Blue Lagoon Pool & Spa has the most, 86 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 Coralville count in this ranking?
Yes, if they are within 40 mi of the Coralville 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 Coralville
- November 2026: CR Scores recalculated for 13 pool builders serving Coralville.
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