Ranked #1 because of its Google rating and review volume: 4.9★ from 86 Google reviews, the most in Marion.
Based on 8 of 10 factors; credentials and recency not yet collected.
12 pool builders ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Marion: Blue Lagoon Pool & Spa, CR Score 62/100; 4.9★ from 86 Google reviews; open Saturdays until 12 PM.
Best for emergencies (open 24/7): aquaLife Pool and Spa Service, posts 24/7 hours; ranked #2 of 12.
Most-reviewed: Pool & Spa Warehouse, 83 Google reviews at 3.8★, the most of 12 ranked after Blue Lagoon Pool & Spa; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
12 Marion 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 4.5★ across 12 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Blue Lagoon Pool & Spa | 62 | 4.9★ (86) | Hiawatha, 5 mi away | Sat | Overall |
| 2 | aquaLife Pool and Spa Service | 60 | 4.7★ (12) | Marion | 24/7 | Emergencies |
| 3 | Pool & Spa Warehouse | 58 | 3.8★ (83) | Cedar Rapids, 4 mi away | Sat | Most reviews |
| 4 | Pool Tech | 58 | 4.5★ (57) | Cedar Rapids, 3 mi away | — | — |
| 5 | Pool & Spa Concepts | 57 | 4.3★ (36) | Cedar Rapids, 8 mi away | Sat | — |
| 6 | Royale Pools | 56 | 3.8★ (29) | Cedar Rapids, 12 mi away | — | — |
| 7 | Blue Lagoon Pool & Spa | 55 | 4.7★ (42) | Coralville, 25 mi away | — | — |
| 8 | DJ's Pool & Spa, LLC | 54 | 4.2★ (21) | Hiawatha, 4 mi away | — | — |
| 9 | Five Seasons Pool Solutions | 52 | 4.4★ (7) | Cedar Rapids, 2 mi away | — | — |
| 10 | Luxe Pro Pool and Spa | 51 | 1.1★ (8) | Cedar Rapids, 9 mi away | — | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and review volume: 4.9★ from 86 Google reviews, the most in Marion.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Marion
Ranked #2 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, 4 mi away
Ranked #3 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.
Based in Cedar Rapids, 3 mi away
Ranked #4 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, 8 mi away
Ranked #5 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.
Based in Cedar Rapids, 12 mi away
Ranked #6 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 Coralville, 25 mi away
Ranked #7 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 Hiawatha, 4 mi away
Ranked #8 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, 2 mi away
Ranked #9 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 Cedar Rapids, 9 mi away
Ranked #10 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 Iowa City, 21 mi away
Ranked #11 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 Iowa City, 25 mi away
Ranked #12 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.
8 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 |
|---|---|---|
| Corridor Pool Company | 2 mi | |
| Mjpoolsllc | 5.0★ (2) | 27 mi |
| Outdoor Endeavors : Swimming Pool Service and Equipment Repair | 5.0★ (1) | In Marion |
| Outdoor Endeavors LLC | 5 mi | |
| Pool Time | 5.0★ (2) | 22 mi |
| Pool World | 5.0★ (2) | 40 mi |
| Scuba Steve's Pool & Spa Maintenance | 4 mi | |
| Vertical Peak Earthworks | In Marion |
We scored 12 Marion 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 Marion 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 |