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Best Pool Builders in Somersworth, NH (2026)

63 pool builders ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in Somersworth: White Mountain Pool & Spa, CR Score 62/100; 4.5★ from 100 Google reviews; open 7 days a week.

  2. 12

    Best for emergencies (open 24/7): SSG Pools (Maine), posts 24/7 hours; ranked #12 of 63.

  3. 47

    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.

Top 10 pool builders in Somersworth at a glance

Top 10 pool builders in Somersworth at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1White Mountain Pool & Spa624.5★ (100)SomersworthSat · SunOverall
2Ace Pool Services614.9★ (103)Rochester, 12 mi away——
3The Pool Shed604.8★ (152)Biddeford, 31 mi awaySat · Sun—
4Northern Pool & Spa604.7★ (101)Eliot, 10 mi awaySat—
5St. Cyr Pool & Spa604.7★ (98)Portsmouth, 20 mi awaySat · Sun—
6St. Cyr Pool & Spa594.6★ (245)Hampstead, 32 mi awaySat · Sun—
7E-Z Test Pool Supplies594.6★ (220)Plaistow, 33 mi awaySat · Sun—
8E-Z Test Pool Supplies594.7★ (192)Derry, 35 mi awaySat · Sun—
9Aqua Paradise Pools & Spas574.5★ (81)Portsmouth, 15 mi awaySat—
10East Coast Pool & Spa564.6★ (56)Sanford, 12 mi awaySat—

The 63 best pool builders in Somersworth, ranked

Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.

  1. Ranked #1 in Somersworth

    Based in Somersworth

    62/100CR Score

    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.

    • 4.5★ from 100 Google reviews
    Hours
    Mon–Fri 9 AM–6 PM · Sat 9 AM–5 PM · Sun 9 AM–3 PM
    Address
    161 NH-108, Somersworth, NH 03878
  2. Based in Rochester, 12 mi away

    61/100CR Score

    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.

    • 4.9★ from 103 Google reviews
    Address
    91 Main St, Farmington, NH 03835
  3. Based in Biddeford, 31 mi away

    60/100CR Score

    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.

    • 4.8★ from 152 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun 8 AM–4 PM
    Address
    172 Bonny Eagle Rd, Hollis, ME 04042
  4. Based in Eliot, 10 mi away

    60/100CR Score

    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.

    • 4.7★ from 101 Google reviews
    Hours
    Mon–Fri 8 AM–4 PM · Sat 9 AM–3 PM · Sun closed
    Address
    291 ME-236, Eliot, ME 03903
  5. Based in Portsmouth, 20 mi away

    60/100CR Score

    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.

    • 4.7★ from 98 Google reviews
    Hours
    Mon–Thu 10 AM–6 PM · Fri 11 AM–6 PM · Sat 10 AM–5 PM · Sun 11 AM–4 PM
    Address
    45 Lafayette Rd Ste 16, North Hampton, NH 03862
  6. Based in Hampstead, 32 mi away

    59/100CR Score

    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.

    • 4.6★ from 245 Google reviews
    Hours
    Mon–Fri 9 AM–5 PM · Sat 9 AM–3 PM · Sun 10 AM–3 PM
    Address
    138 NH-111, Hampstead, NH 03841
  7. Based in Plaistow, 33 mi away

    59/100CR Score

    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.

    • 4.6★ from 220 Google reviews
    Hours
    Mon–Sat 10 AM–5 PM · Sun 10 AM–4 PM
    Address
    26 Main St, Plaistow, NH 03865
  8. Based in Derry, 35 mi away

    59/100CR Score

    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.

    • 4.7★ from 192 Google reviews
    Hours
    Mon 10 AM–4 PM · Tue closed · Wed–Sun 10 AM–4 PM
    Address
    22 Manchester Rd Unit 5, Derry, NH 03038
  9. Based in Portsmouth, 15 mi away

    57/100CR Score

    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.

    • 4.5★ from 81 Google reviews
    Hours
    Mon–Fri 9 AM–5 PM · Sat 10 AM–4 PM · Sun closed
    Address
    15 Banfield Rd, Portsmouth, NH 03801
  10. Based in Sanford, 12 mi away

    56/100CR Score

    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.

    • 4.6★ from 56 Google reviews
    Hours
    Mon–Thu closed · Fri 10 AM–4 PM · Sat 10 AM–1 PM · Sun closed
    Address
    174 Airport Rd, Sanford, ME 04073
  11. Based in Dover, 5 mi away

    56/100CR Score

    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.

    • 4.4★ from 13 Google reviews
    Hours
    Mon–Sat 7 AM–5 PM · Sun closed
    Address
    15 Cricket Brook, Dover, NH 03820
  12. Based in Biddeford, 24 mi away

    55/100CR Score

    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.

    • 5.0★ from 8 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
  13. Based in Amesbury, 29 mi away

    55/100CR Score

    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.

    • 4.6★ from 78 Google reviews
    Hours
    Mon–Tue closed · Wed–Fri 10 AM–4 PM · Sat 9 AM–12 PM · Sun closed
    Address
    83 Haverhill Rd, Amesbury, MA 01913
  14. Based in Dover, 11 mi away

    55/100CR Score

    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.

    • 3.7★ from 58 Google reviews
    Hours
    Mon–Fri 9 AM–5 PM · Sat 9 AM–3 PM · Sun closed
    Address
    373 Shattuck Way, Newington, NH 03801
  15. Based in Haverhill, 33 mi away

    54/100CR Score

    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.

    • 5.0★ from 9 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
  16. Based in Concord, 20 mi away

    54/100CR Score

    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.

    • 4.5★ from 17 Google reviews
    Hours
    Mon–Sat 8 AM–6 PM · Sun closed
  17. Based in Bedford, 38 mi away

    54/100CR Score

    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.

    • 3.8★ from 181 Google reviews
    Hours
    Mon–Fri 9 AM–5 PM · Sat 9 AM–3 PM · Sun 10 AM–2 PM
    Address
    7 Bellemore Dr, Bedford, NH 03110
  18. Based in Laconia, 35 mi away

    54/100CR Score

    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.

    • 4.7★ from 46 Google reviews
    Hours
    Mon–Tue 9 AM–5 PM · Wed 9 AM–3 PM · Thu–Fri 9 AM–5 PM · Sat 9 AM–2 PM · Sun closed
    Address
    112 Court St, Laconia, NH 03246
  19. Based in Concord, 33 mi away

    53/100CR Score

    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.

    • 4.3★ from 63 Google reviews
    Hours
    Mon–Fri 9:30 AM–5 PM · Sat 10 AM–4 PM · Sun closed
    Address
    105 Manchester St, Concord, NH 03301
  20. Based in Kingston, 25 mi away

    53/100CR Score

    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.

    • 4.6★ from 9 Google reviews
    Hours
    Mon–Fri 8 AM–4:30 PM · Sat 9 AM–4 PM · Sun 9 AM–1 PM
    Address
    03 Clark Rd, East Kingston, NH 03827
  21. Based in Amesbury, 27 mi away

    53/100CR Score

    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.

    • 4.6★ from 24 Google reviews
    Hours
    Mon–Fri 9 AM–5 PM · Sat 9 AM–12 PM · Sun closed
    Address
    58 A Main St, Salisbury, MA 01952
  22. Based in Londonderry, 38 mi away

    53/100CR Score

    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.

    • 4.3★ from 94 Google reviews
    Hours
    Mon–Tue 10 AM–6 PM · Wed closed · Thu 10 AM–6 PM · Fri 10 AM–5 PM · Sat 10 AM–2 PM · Sun closed
    Address
    3 Mohawk Dr, Londonderry, NH 03053
  23. Based in Buxton, 31 mi away

    53/100CR Score

    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.

    • 5.0★ from 10 Google reviews
    Hours
    Mon–Sun 7 AM–5 PM
    Address
    761 Narragansett Trail, Buxton, ME 04093
  24. Based in Manchester, 37 mi away

    53/100CR Score

    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.

    • 4.4★ from 58 Google reviews
    Hours
    Mon–Fri 9:30 AM–5 PM · Sat 10 AM–4 PM · Sun closed
    Address
    655 Mast Rd, Manchester, NH 03102

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 63 ranked pool builders here; the rest are on their profiles.

pool builders in Somersworth, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26ACR Pools535.0★ (11)35 mi
27Family Pools North534.7★ (59)29 mi
28Leslie's Pool Supplies524.2★ (59)36 mi
29Poolscapes524.7★ (15)29 mi
30Poseidons Pools LLC524.8★ (21)37 mi
31Juliano's Pools524.9★ (40)36 mi
32The Pool Man522.3★ (3)26 mi
33Hamel Trucking LLC524.4★ (32)25 mi
34Shoreline Hardscapes & Construction, LLC524.7★ (26)12 mi
35Atlantic Pool and Billiards524.9★ (7)26 mi
36Atlantis Pool & Construction525.0★ (7)26 mi
37Leslie's Pool Supplies514.0★ (78)40 mi
38Cleaner Pools, LLC515.0★ (9)30 mi
39D&P Swimming Pool, Inc.514.2★ (60)33 mi
40Marklynn Pools514.0★ (26)34 mi
41Fortin Pool Water514.3★ (60)36 mi
42Best Betts Pools515.0★ (3)28 mi
43The Pool Doctor514.3★ (14)34 mi
44Northeast Leak Detection & Pool Service515.0★ (8)40 mi
45J. Gallant Pool & Spa Inc515.0★ (10)33 mi
46Premier Pools & Spas of NH515.0★ (3)6 mi
47Rob Roy Mechanical514.9★ (255)37 mi
48L-R Pool and Spa Services504.8★ (16)33 mi
49Sebago Lake Pools503.8★ (24)38 mi
50Pro Pools LLC505.0★ (20)39 mi

Also serving Somersworth

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.

Unranked pool builders serving Somersworth
BusinessGoogle ratingDistance
AEM Pool Renovations5.0★ (1)35 mi
American Pool Liners Bedford1.0★ (2)39 mi
Central Fence & Deck LLC4.8★ (159)In Somersworth
Chiocca Homes LLC38 mi
Classic Creations33 mi
Cole Landscaping38 mi
Coversafe5.0★ (2)26 mi
Gemini Pool Service Inc7 mi
Granite Pools & Outdoor Living11 mi
KD Enterprise40 mi
Loyal Lab Electric & Generators5.0★ (395)In Somersworth
Mountainscapes36 mi
ND Landscape Services37 mi
Performance pool service llc5.0★ (2)33 mi
Plastering Pools5.0★ (1)38 mi
Poolman1.0★ (1)30 mi
Priority Outdoor Services33 mi
Soake pool31 mi
Wade Landscaping & Construction4.8★ (30)In Somersworth
Windham Pool & Spa, LLC38 mi

How we ranked Somersworth pool builders

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.

Read the full method: formula, sources and exclusions

CR Score factors and weights
FactorWeightComputed fromIn Somersworth data
Reputation25%Google star rating, adjusted for how many reviews back itMeasured
Credentials15%Active state license, bond and workers’ comp on fileNot yet collected
Review volume10%Number of Google reviews, compared with the most-reviewed business on the listMeasured
Recency5%Share of reviews from the last 12 monthsNot yet collected
Availability5%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%How clearly the business does this trade (its Google category and name)Measured
Proximity5%Based in the city scores highest, less the farther away it isMeasured
Claimed profile10%The business has claimed its ContractorsRanked profile (free or paid earn the same)Measured
Partnered5%The business links to ContractorsRanked from its own website with our badge, checked periodicallyMeasured
ContractorsRanked reviews10%Verified customer reviews collected by ContractorsRanked: their rating and how many there areMeasured

Pool builders in Somersworth: frequently asked questions

Who is the best pool builder in Somersworth?

By CR Score, the highest-ranked pool builder in Somersworth, NH is White Mountain Pool & Spa with a CR Score of 62/100. It has 4.5★ from 100 Google reviews. It is open 7 days a week. Ace Pool Services (#2) and The Pool Shed (#3) follow. We ranked 63 pool builders on ten factors, last updated November 3, 2026.

How many pool builders are there in Somersworth?

ContractorsRanked ranks 63 pool builders serving Somersworth, NH. 1 of them is based in Somersworth; 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 Somersworth are open 24/7?

6 ranked pool builders in Somersworth post 24/7 hours. The highest-ranked are SSG Pools (Maine) (#12), Coleco Family Pool & Spa Center (#13) and Presidential Pools LLC (#16). Hours come from each business's Google listing as of November 2026, so call to confirm.

Which pool builders in Somersworth work on weekends?

41 of 63 ranked pool builders post Saturday hours and 16 post Sunday hours. The highest-ranked open Saturdays are White Mountain Pool & Spa (#1), The Pool Shed (#3) and Northern Pool & Spa (#4). Posted hours are office hours; crews may book weekend jobs separately.

What Google rating do Somersworth pool builders have?

The median Google rating among 63 rated pool builders in Somersworth is 4.7★, with a median of 24 reviews. Rob Roy Mechanical has the most, 255 reviews, and ranks #47. 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 Somersworth count in this ranking?

Yes, if they are within 40 mi of the Somersworth 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 Somersworth

  1. November 2026: CR Scores recalculated for 63 pool builders serving Somersworth.
  2. November 2026: 1 duplicate listing merged.

More pool builders and Somersworth pages

Other trades in Somersworth