61/100CR Score
Ranked #1 because of its Google rating and trade focus: 4.8★ from 512 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 Chelmsford, MA (2026)
207 pool builders ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Chelmsford: New England Spas Natick, CR Score 61/100; 4.8★ from 512 Google reviews; open 7 days a week.
- 5
Best for emergencies (open 24/7): SSG Pools, posts 24/7 hours; ranked #5 of 207.
- 10
Most-reviewed: Reeds Ferry Sheds, 1,193 Google reviews at 5.0★, the most of 207 ranked; ranked #10.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
207 Chelmsford pool builders are ranked here by CR Score, from ten published factors. 14 are open 24/7, 132 open Saturdays and 57 open Sundays, based on posted hours. The median Google rating is 4.6★ across 207 rated businesses.
Top 10 pool builders in Chelmsford at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | New England Spas Natick | 61 | 4.8★ (512) | Natick, 21 mi away | Sat · Sun | Overall |
| 2 | Matley Pools and Spas | 61 | 4.9★ (374) | Fitchburg, 11 mi away | Sat | — |
| 3 | St Cyr Pool & Spa | 60 | 4.7★ (910) | Middleton, 19 mi away | Sat | — |
| 4 | Littleton Pools | 60 | 4.9★ (106) | Leominster, 7 mi away | — | — |
| 5 | SSG Pools | 59 | 4.6★ (203) | Acton, 4 mi away | 24/7 | Emergencies |
| 6 | Gunite Pool Renovators | 59 | 4.7★ (91) | Nashua, 21 mi away | 24/7 | — |
| 7 | New England Spas Auburn | 59 | 4.9★ (435) | Auburn, 37 mi away | Sat · Sun | — |
| 8 | St. Cyr Pool & Spa | 59 | 4.6★ (245) | Hampstead, 20 mi away | Sat · Sun | — |
| 9 | Ambassador Pools | 58 | 4.9★ (277) | Canton, 34 mi away | Sat · Sun | — |
| 10 | Reeds Ferry Sheds | 58 | 5.0★ (1,193) | Hudson, 16 mi away | Sat · Sun | Most reviews |
The 207 best pool builders in Chelmsford, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Based in Fitchburg, 11 mi away
61/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.9★ from 374 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Middleton, 19 mi away
60/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.7★ from 910 Google reviews, listed on Google as “Swimming pool repair service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Leominster, 7 mi away
60/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.9★ from 106 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
#5 SSG Pools
Based in Acton, 4 mi away
59/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.6★ 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 Nashua, 21 mi away
59/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.7★ 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 Auburn, 37 mi away
59/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.9★ from 435 Google reviews, listed on Google as “Swimming pool repair service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hampstead, 20 mi away
59/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.6★ from 245 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Canton, 34 mi away
58/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.9★ from 277 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hudson, 16 mi away
58/100CR ScoreRanked #10 because of its Google rating and review volume: 5.0★ from 1,193 Google reviews, the most in Chelmsford.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Plaistow, 20 mi away
58/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.6★ from 220 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Derry, 21 mi away
58/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.7★ from 192 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in North Reading, 13 mi away
58/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.8★ from 79 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Norwell, 39 mi away
58/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.8★ from 444 Google reviews, listed on Google as “Swimming pool repair service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hudson, 10 mi away
58/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.5★ from 232 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Haverhill, 12 mi away
58/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.8★ from 44 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#17 SSG Pools
Based in Hollis, 18 mi away
57/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.6★ from 37 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#18 Surfside Pool Co
Based in Chelmsford
57/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.2★ from 35 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#19 R&R Pool & Spa
Based in Chelmsford
57/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.6★ from 50 Google reviews, listed on Google as “Swimming pool repair service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#20 Central Pools
Based in Framingham, 20 mi away
57/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.8★ from 154 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#21 SSG Pools
Based in Hudson, 10 mi away
56/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.6★ from 10 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Leominster, 13 mi away
56/100CR ScoreRanked #22 because of its Google rating and trade focus: 5.0★ 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 Peabody, 23 mi away
56/100CR ScoreRanked #23 because of its Google rating and trade focus: 4.4★ from 107 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Burlington, 10 mi away
56/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.6★ from 64 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#25 Heritage Pool
Based in Sutton, 36 mi away
56/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.8★ from 126 Google reviews, listed on Google as “Swimming pool repair service”.
Based on 8 of 10 factors; credentials and recency 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 207 ranked pool builders here; the rest are on their profiles.
Also serving Chelmsford
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 |
|---|---|---|
| American Pool Liners Bedford | 1.0★ (2) | 26 mi |
| Aqua Dreams Pools and Spas Inc. | 5.0★ (1) | 4 mi |
| AquaTech- Swimming Pool Installation and Service | 5.0★ (1) | 11 mi |
| Artistic Pools Ltd | 2.5★ (2) | 7 mi |
| Best Pool Services | 3.0★ (2) | 27 mi |
| Blue Hill Pool Service | 2.5★ (2) | 35 mi |
| Coversafe | 5.0★ (2) | 32 mi |
| Gunite Construction | 3.5★ (2) | 28 mi |
| JCK Swimming Pool Contractors | 5.0★ (1) | 7 mi |
| Krefta Outdoor Living & Pools INC | 5.0★ (1) | 4 mi |
| Luxury Pools | 3.0★ (2) | 12 mi |
| Mc Duffs Swimming Pool Services | 4.0★ (2) | 25 mi |
| Nate's Pool Service & Repair | 5.0★ (2) | 20 mi |
| New England Pool Remodeling LLC | 1.0★ (1) | 7 mi |
| Performance pool service llc | 5.0★ (2) | 21 mi |
| Premium Pools | 3.0★ (2) | 11 mi |
| Puraqua Pool Services Inc | 5.0★ (2) | 23 mi |
| Rainbow Pools | 5.0★ (2) | 16 mi |
| Robelle Industries | 5.0★ (2) | 35 mi |
| Sparkle Clean Pools | 2.0★ (2) | 12 mi |
How we ranked Chelmsford pool builders
We scored 207 Chelmsford 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 Chelmsford 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 Chelmsford: frequently asked questions
Who is the best pool builder in Chelmsford?
By CR Score, the highest-ranked pool builder in Chelmsford, MA is New England Spas Natick with a CR Score of 61/100. It has 4.8★ from 512 Google reviews. It is open 7 days a week. Matley Pools and Spas (#2) and St Cyr Pool & Spa (#3) follow. We ranked 207 pool builders on ten factors, last updated November 2, 2026.
How many pool builders are there in Chelmsford?
ContractorsRanked ranks 207 pool builders serving Chelmsford, MA. 2 of them are based in Chelmsford; 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 Chelmsford are open 24/7?
14 ranked pool builders in Chelmsford post 24/7 hours. The highest-ranked are SSG Pools (#5), Gunite Pool Renovators (#6) and SSG Pools (#17). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which pool builders in Chelmsford work on weekends?
132 of 207 ranked pool builders post Saturday hours and 57 post Sunday hours. The highest-ranked open Saturdays are New England Spas Natick (#1), Matley Pools and Spas (#2) and St Cyr Pool & Spa (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Chelmsford pool builders have?
The median Google rating among 207 rated pool builders in Chelmsford is 4.6★, with a median of 20 reviews. Reeds Ferry Sheds has the most, 1,193 reviews, and ranks #10. 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 Chelmsford count in this ranking?
Yes, if they are within 40 mi of the Chelmsford 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 Chelmsford
- November 2026: CR Scores recalculated for 207 pool builders serving Chelmsford.
- November 2026: 2 duplicate listings merged.
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