Ranked #1 because of its Google rating and trade focus: 4.5★ from 100 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
63 pool builders ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Somersworth: White Mountain Pool & Spa, CR Score 62/100; 4.5★ from 100 Google reviews; open 7 days a week.
Best for emergencies (open 24/7): SSG Pools (Maine), posts 24/7 hours; ranked #12 of 63.
Most-reviewed: Rob Roy Mechanical, 255 Google reviews at 4.9★, the most of 63 ranked; ranked #47.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
63 Somersworth pool builders are ranked here by CR Score, from ten published factors. 6 are open 24/7, 41 open Saturdays and 16 open Sundays, based on posted hours. The median Google rating is 4.7★ across 63 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | White Mountain Pool & Spa | 62 | 4.5★ (100) | Somersworth | Sat · Sun | Overall |
| 2 | Ace Pool Services | 61 | 4.9★ (103) | Rochester, 12 mi away | — | — |
| 3 | The Pool Shed | 60 | 4.8★ (152) | Biddeford, 31 mi away | Sat · Sun | — |
| 4 | Northern Pool & Spa | 60 | 4.7★ (101) | Eliot, 10 mi away | Sat | — |
| 5 | St. Cyr Pool & Spa | 60 | 4.7★ (98) | Portsmouth, 20 mi away | Sat · Sun | — |
| 6 | St. Cyr Pool & Spa | 59 | 4.6★ (245) | Hampstead, 32 mi away | Sat · Sun | — |
| 7 | E-Z Test Pool Supplies | 59 | 4.6★ (220) | Plaistow, 33 mi away | Sat · Sun | — |
| 8 | E-Z Test Pool Supplies | 59 | 4.7★ (192) | Derry, 35 mi away | Sat · Sun | — |
| 9 | Aqua Paradise Pools & Spas | 57 | 4.5★ (81) | Portsmouth, 15 mi away | Sat | — |
| 10 | East Coast Pool & Spa | 56 | 4.6★ (56) | Sanford, 12 mi away | Sat | — |
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 trade focus: 4.5★ from 100 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Rochester, 12 mi away
Ranked #2 because of its Google rating and trade focus: 4.9★ from 103 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Biddeford, 31 mi away
Ranked #3 because of its Google rating and trade focus: 4.8★ from 152 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Eliot, 10 mi away
Ranked #4 because of its Google rating and trade focus: 4.7★ 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 Portsmouth, 20 mi away
Ranked #5 because of its Google rating and trade focus: 4.7★ from 98 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, 32 mi away
Ranked #6 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 Plaistow, 33 mi away
Ranked #7 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, 35 mi away
Ranked #8 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 Portsmouth, 15 mi away
Ranked #9 because of its Google rating and trade focus: 4.5★ from 81 Google reviews, listed on Google as “Swimming pool repair service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sanford, 12 mi away
Ranked #10 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 Dover, 5 mi away
Ranked #11 because of its Google rating and trade focus: 4.4★ from 13 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Biddeford, 24 mi away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sanford, 14 mi away
Ranked #13 because of its Google rating and trade focus: 3.8★ from 32 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Amesbury, 29 mi away
Ranked #14 because of its Google rating and trade focus: 4.6★ from 78 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Dover, 11 mi away
Ranked #15 because of its Google rating and trade focus: 3.7★ from 58 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Haverhill, 33 mi away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Concord, 20 mi away
Ranked #17 because of its Google rating and trade focus: 4.5★ from 17 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bedford, 38 mi away
Ranked #18 because of its Google rating and trade focus: 3.8★ from 181 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Laconia, 35 mi away
Ranked #19 because of its Google rating and trade focus: 4.7★ from 46 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Concord, 33 mi away
Ranked #20 because of its Google rating and trade focus: 4.3★ from 63 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Kingston, 25 mi away
Ranked #21 because of its Google rating and trade focus: 4.6★ from 9 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Amesbury, 27 mi away
Ranked #22 because of its Google rating and trade focus: 4.6★ 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 Londonderry, 38 mi away
Ranked #23 because of its Google rating and trade focus: 4.3★ from 94 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Buxton, 31 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ 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 Manchester, 37 mi away
Ranked #25 because of its Google rating and trade focus: 4.4★ from 58 Google reviews, listed on Google as “Swimming pool repair service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#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 63 ranked pool builders here; the rest are on their profiles.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | ACR Pools | 53 | 5.0★ (11) | 35 mi |
| 27 | Family Pools North | 53 | 4.7★ (59) | 29 mi |
| 28 | Leslie's Pool Supplies | 52 | 4.2★ (59) | 36 mi |
| 29 | Poolscapes | 52 | 4.7★ (15) | 29 mi |
| 30 | Poseidons Pools LLC | 52 | 4.8★ (21) | 37 mi |
| 31 | Juliano's Pools | 52 | 4.9★ (40) | 36 mi |
| 32 | The Pool Man | 52 | 2.3★ (3) | 26 mi |
| 33 | Hamel Trucking LLC | 52 | 4.4★ (32) | 25 mi |
| 34 | Shoreline Hardscapes & Construction, LLC | 52 | 4.7★ (26) | 12 mi |
| 35 | Atlantic Pool and Billiards | 52 | 4.9★ (7) | 26 mi |
| 36 | Atlantis Pool & Construction | 52 | 5.0★ (7) | 26 mi |
| 37 | Leslie's Pool Supplies | 51 | 4.0★ (78) | 40 mi |
| 38 | Cleaner Pools, LLC | 51 | 5.0★ (9) | 30 mi |
| 39 | D&P Swimming Pool, Inc. | 51 | 4.2★ (60) | 33 mi |
| 40 | Marklynn Pools | 51 | 4.0★ (26) | 34 mi |
| 41 | Fortin Pool Water | 51 | 4.3★ (60) | 36 mi |
| 42 | Best Betts Pools | 51 | 5.0★ (3) | 28 mi |
| 43 | The Pool Doctor | 51 | 4.3★ (14) | 34 mi |
| 44 | Northeast Leak Detection & Pool Service | 51 | 5.0★ (8) | 40 mi |
| 45 | J. Gallant Pool & Spa Inc | 51 | 5.0★ (10) | 33 mi |
| 46 | Premier Pools & Spas of NH | 51 | 5.0★ (3) | 6 mi |
| 47 | Rob Roy Mechanical | 51 | 4.9★ (255) | 37 mi |
| 48 | L-R Pool and Spa Services | 50 | 4.8★ (16) | 33 mi |
| 49 | Sebago Lake Pools | 50 | 3.8★ (24) | 38 mi |
| 50 | Pro Pools LLC | 50 | 5.0★ (20) | 39 mi |
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 |
|---|---|---|
| AEM Pool Renovations | 5.0★ (1) | 35 mi |
| American Pool Liners Bedford | 1.0★ (2) | 39 mi |
| Central Fence & Deck LLC | 4.8★ (159) | In Somersworth |
| Chiocca Homes LLC | 38 mi | |
| Classic Creations | 33 mi | |
| Cole Landscaping | 38 mi | |
| Coversafe | 5.0★ (2) | 26 mi |
| Gemini Pool Service Inc | 7 mi | |
| Granite Pools & Outdoor Living | 11 mi | |
| KD Enterprise | 40 mi | |
| Loyal Lab Electric & Generators | 5.0★ (395) | In Somersworth |
| Mountainscapes | 36 mi | |
| ND Landscape Services | 37 mi | |
| Performance pool service llc | 5.0★ (2) | 33 mi |
| Plastering Pools | 5.0★ (1) | 38 mi |
| Poolman | 1.0★ (1) | 30 mi |
| Priority Outdoor Services | 33 mi | |
| Soake pool | 31 mi | |
| Wade Landscaping & Construction | 4.8★ (30) | In Somersworth |
| Windham Pool & Spa, LLC | 38 mi |
We scored 63 Somersworth 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 Somersworth 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 |