63/100CR Score
Ranked #1 because of its Google rating and review volume: 4.8★ from 697 Google reviews, the most in Markham.
Based on 8 of 10 factors; credentials and recency not yet collected.
Best Pool Builders in Markham, IL (2026)
135 pool builders ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Markham: All Seasons Pools & Spas, Inc., CR Score 63/100; 4.8★ from 697 Google reviews; open Saturdays until 3 PM.
- 3
Best for emergencies (open 24/7): Swim On Pool Service and Repair Inc., posts 24/7 hours; ranked #3 of 135.
- 2
Most-reviewed: The Great Escape Orland Park, 511 Google reviews at 4.3★, the most of 135 ranked after All Seasons Pools & Spas, Inc.; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
135 Markham pool builders are ranked here by CR Score, from ten published factors. 7 are open 24/7, 75 open Saturdays and 31 open Sundays, based on posted hours. The median Google rating is 4.5★ across 135 rated businesses.
Top 10 pool builders in Markham at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | All Seasons Pools & Spas, Inc. | 63 | 4.8★ (697) | Orland Park, 9 mi away | Sat | Overall |
| 2 | The Great Escape Orland Park | 61 | 4.3★ (511) | Tinley Park, 8 mi away | Sat · Sun · Evenings | Most reviews |
| 3 | Swim On Pool Service and Repair Inc. | 61 | 4.8★ (134) | Bolingbrook, 20 mi away | 24/7 | Emergencies |
| 4 | Aqua Pools | 59 | 4.3★ (243) | Homer Glen, 13 mi away | Sat · Sun | — |
| 5 | Water Trends | 58 | 4.4★ (68) | Tinley Park, 6 mi away | Sat · Sun | — |
| 6 | Dean's Pools & Landscaping Inc | 58 | 4.8★ (255) | Schererville, 13 mi away | — | — |
| 7 | The Great Escape Downers Grove | 58 | 4.3★ (203) | Downers Grove, 20 mi away | Sat · Sun · Evenings | — |
| 8 | Leslie's Pool Supplies | 56 | 4.2★ (91) | Tinley Park, 5 mi away | Sat | — |
| 9 | Royal Pools G2 Landscaping | 56 | 4.7★ (133) | Dyer, 13 mi away | — | — |
| 10 | Heritage Pools Co. | 56 | 5.0★ (7) | Oak Lawn, 9 mi away | 24/7 | — |
The 135 best pool builders in Markham, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Based in Tinley Park, 8 mi away
61/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.3★ from 511 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bolingbrook, 20 mi away
61/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.8★ from 134 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#4 Aqua Pools
Based in Homer Glen, 13 mi away
59/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.3★ from 243 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#5 Water Trends
Based in Tinley Park, 6 mi away
58/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.4★ from 68 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Schererville, 13 mi away
58/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.8★ from 255 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Downers Grove, 20 mi away
58/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.3★ from 203 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Tinley Park, 5 mi away
56/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.2★ from 91 Google reviews, listed on Google as “Swimming pool repair service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Dyer, 13 mi away
56/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.7★ from 133 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Oak Lawn, 9 mi away
56/100CR ScoreRanked #10 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 Buffalo Grove, 15 mi away
56/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.8★ 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 Saint John, 16 mi away
56/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.5★ from 101 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Northlake, 24 mi away
56/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.7★ from 48 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Darien, 15 mi away
56/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.8★ from 21 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Mokena, 11 mi away
56/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.5★ from 163 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Crestwood, 4 mi away
55/100CR ScoreRanked #16 because of its Google rating and trade focus: 3.9★ from 111 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#17 AsureNet
Based in Naperville, 27 mi away
55/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.8★ from 66 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Forest Park, 20 mi away
55/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.6★ from 56 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Schererville, 13 mi away
55/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.1★ from 109 Google reviews, listed on Google as “Swimming pool repair service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Shorewood, 27 mi away
55/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.6★ from 101 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Wilmington, 31 mi away
54/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.7★ from 110 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Schererville, 15 mi away
54/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.4★ from 164 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Naperville, 27 mi away
54/100CR ScoreRanked #23 because of its Google rating and trade focus: 4.8★ from 14 Google reviews, listed on Google as “Swimming pool repair service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Belmont Cragin, 24 mi away
54/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.6★ from 47 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in South Holland, 4 mi away
54/100CR ScoreRanked #25 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.
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 135 ranked pool builders here; the rest are on their profiles.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | H & S Swimming Pools | 54 | 4.4★ (68) | 32 mi |
| 27 | Statements In Stone Pool and Patio | 54 | 4.8★ (47) | 14 mi |
| 28 | Russo's Pool & Spa Inc. | 54 | 4.0★ (218) | 24 mi |
| 29 | Minooka Pools LLC | 54 | 5.0★ (42) | 17 mi |
| 30 | Black Oak Pool & Supply Inc | 54 | 4.7★ (18) | 15 mi |
| 31 | Blanchette Pools Spas & Billiards Inc | 53 | 4.5★ (132) | 33 mi |
| 32 | Caribbean Pools Valparaiso | 53 | 4.8★ (202) | 37 mi |
| 33 | Leslie's Pool Supplies | 53 | 3.7★ (85) | 9 mi |
| 34 | KG Pools LLC | 53 | 5.0★ (23) | 23 mi |
| 35 | AG Pool Masters LLC | 53 | 4.9★ (70) | 38 mi |
| 36 | MR. POOLS LLC | 53 | 5.0★ (30) | 16 mi |
| 37 | Diamond Pool & Spa Inc | 53 | 4.3★ (44) | 10 mi |
| 38 | Leslie's Pool Supplies | 53 | 4.2★ (92) | 25 mi |
| 39 | Mud Turtle Pools | 53 | 5.0★ (23) | 11 mi |
| 40 | Aquasol Pools and Spas | 53 | 5.0★ (8) | 30 mi |
| 41 | Pool Dolphins Inc. | 53 | 4.4★ (13) | 23 mi |
| 42 | Neptune Pools | 53 | 4.6★ (36) | 25 mi |
| 43 | Arvidson Pools & Spas | 53 | 4.4★ (70) | 39 mi |
| 44 | Expert Pool Builders | 53 | 4.7★ (15) | 15 mi |
| 45 | Lotus Pools | 53 | 4.9★ (137) | 39 mi |
| 46 | Hatton Pools | 53 | 5.0★ (6) | 28 mi |
| 47 | Fiberglass Pools of Illinois Inc | 52 | 5.0★ (7) | 9 mi |
| 48 | Precision Pool & Spa, Llc | 52 | 5.0★ (36) | 34 mi |
| 49 | APS Pools & Spas | 52 | 5.0★ (8) | 15 mi |
| 50 | Pool Duck Swimming pool & Spa | 52 | 3.6★ (47) | 25 mi |
Also serving Markham
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 |
|---|---|---|
| A & D Services | 1.0★ (2) | 36 mi |
| Acqua Life Pools | 5.0★ (1) | 28 mi |
| AMP Pools, LLC | 1.0★ (1) | 9 mi |
| Baja Bart, Inc. | 5.0★ (2) | 27 mi |
| Carefree Pools, Inc. | 2.0★ (1) | 40 mi |
| Carports Hawaii | 3.0★ (2) | 32 mi |
| Chicagoland Pool Management | 5.0★ (1) | 24 mi |
| Citywide Pool & Spa Inc | 5.0★ (2) | 27 mi |
| Dynasty Pools & More | 5.0★ (2) | 40 mi |
| Elemental Fiberglass Pools | 10 mi | |
| Expert Pool Builders (Illinois) | 5.0★ (1) | 18 mi |
| K&k Pools | 5.0★ (1) | 15 mi |
| NWI Pools | 1.0★ (1) | 18 mi |
| Pools By Design | 5.0★ (2) | 11 mi |
| ProBlue Pools | 5.0★ (2) | 37 mi |
| Q & Q Pool Tech Support | 5.0★ (1) | 39 mi |
| R&J M Construction LLC | 5.0★ (1) | 15 mi |
| Upright Pool Installation LLC | 10 mi | |
| Wally Splash Pools | 3.0★ (1) | 17 mi |
| Whiteco Pool Solutions | 3.0★ (2) | 37 mi |
How we ranked Markham pool builders
We scored 135 Markham 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 Markham 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 Markham: frequently asked questions
Who is the best pool builder in Markham?
By CR Score, the highest-ranked pool builder in Markham, IL is All Seasons Pools & Spas, Inc. with a CR Score of 63/100. It has 4.8★ from 697 Google reviews. It is open Saturdays until 3 PM. The Great Escape Orland Park (#2) and Swim On Pool Service and Repair Inc. (#3) follow. We ranked 135 pool builders on ten factors, last updated November 3, 2026.
How many pool builders are there in Markham?
ContractorsRanked ranks 135 pool builders serving Markham, IL. Another 20 within 40 mi are listed but not ranked yet. Counts are as of November 2026.
Which pool builders in Markham are open 24/7?
7 ranked pool builders in Markham post 24/7 hours. The highest-ranked are Swim On Pool Service and Repair Inc. (#3), Heritage Pools Co. (#10) and Viper Pool Repair & Leaks (#23). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which pool builders in Markham work on weekends?
75 of 135 ranked pool builders post Saturday hours and 31 post Sunday hours. The highest-ranked open Saturdays are All Seasons Pools & Spas, Inc. (#1), The Great Escape Orland Park (#2) and Swim On Pool Service and Repair Inc. (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Markham pool builders have?
The median Google rating among 135 rated pool builders in Markham is 4.5★, with a median of 20 reviews. All Seasons Pools & Spas, Inc. has the most, 697 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 Markham count in this ranking?
Yes, if they are within 40 mi of the Markham 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 Markham
- November 2026: CR Scores recalculated for 135 pool builders serving Markham.
- November 2026: 1 duplicate listing merged.
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