Ranked #1 because of its Google rating and trade focus: 4.7★ from 494 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
278 pool builders ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in North Potomac: Capital Hot Tubs & Saunas – Clarksburg, CR Score 62/100; 4.7★ from 494 Google reviews; open 7 days a week.
Best for emergencies (open 24/7): Finn's Pool & Spa Service, posts 24/7 hours; ranked #7 of 278.
Most-reviewed: AquaSafe Pool Management, Inc., 1,053 Google reviews at 4.8★, the most of 278 ranked; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
278 North Potomac pool builders are ranked here by CR Score, from ten published factors. 17 are open 24/7, 146 open Saturdays and 48 open Sundays, based on posted hours. The median Google rating is 4.7★ across 278 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Capital Hot Tubs & Saunas – Clarksburg | 62 | 4.7★ (494) | Clarksburg, 14 mi away | Sat · Sun | Overall |
| 2 | Capital Hot Tubs & Saunas – Rockville | 61 | 4.6★ (301) | Rockville, 7 mi away | Sat · Sun | — |
| 3 | AquaSafe Pool Management, Inc. | 61 | 4.8★ (1,053) | Hanover, 31 mi away | Sat · Sun | Most reviews |
| 4 | Capital Hot Tubs & Saunas – Fairfax | 61 | 4.7★ (389) | Fairfax, 16 mi away | Sat · Sun | — |
| 5 | System Pools LLC | 60 | 4.8★ (102) | Rockville, 9 mi away | Sat · Sun · Evenings | — |
| 6 | Subcomm Pools | 60 | 4.9★ (137) | Falls Church, 15 mi away | Sat · Sun | — |
| 7 | Finn's Pool & Spa Service | 60 | 4.7★ (70) | Vienna, 13 mi away | 24/7 | Emergencies |
| 8 | Hydro Pool & Spa, Inc. | 60 | 4.5★ (483) | Gaithersburg, 8 mi away | Sat | — |
| 9 | Cub Run Rec Center | 59 | 4.5★ (329) | Chantilly, 17 mi away | Sat · Sun · Evenings | — |
| 10 | NOVA Landscape Construction LLC | 59 | 5.0★ (76) | Chantilly, 16 mi away | Sat · Sun · Evenings | — |
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: 4.7★ from 494 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Rockville, 7 mi away
Ranked #2 because of its Google rating and trade focus: 4.6★ from 301 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hanover, 31 mi away
Ranked #3 because of its Google rating and review volume: 4.8★ from 1,053 Google reviews, the most in North Potomac.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fairfax, 16 mi away
Ranked #4 because of its Google rating and trade focus: 4.7★ from 389 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Rockville, 9 mi away
Ranked #5 because of its Google rating and trade focus: 4.8★ from 102 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Falls Church, 15 mi away
Ranked #6 because of its Google rating and trade focus: 4.9★ from 137 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Vienna, 13 mi away
Ranked #7 because of its Google rating and trade focus: 4.7★ from 70 Google reviews, listed on Google as “Swimming pool repair service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Gaithersburg, 8 mi away
Ranked #8 because of its Google rating and trade focus: 4.5★ from 483 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chantilly, 17 mi away
Ranked #9 because of its Google rating and trade focus: 4.5★ from 329 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chantilly, 16 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 76 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Silver Spring, 14 mi away
Ranked #11 because of its Google rating and trade focus: 4.8★ from 88 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sterling, 10 mi away
Ranked #12 because of its Google rating and trade focus: 4.9★ 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 Westminster, 37 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 89 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Silver Spring, 14 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 36 Google reviews, listed on Google as “Swimming pool repair service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in North Potomac
Ranked #15 because of its Google rating and trade focus: 5.0★ from 15 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Rockville, 8 mi away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 59 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Alexandria, 20 mi away
Ranked #17 because of its Google rating and trade focus: 4.9★ from 147 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sterling, 6 mi away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 35 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Jessup, 26 mi away
Ranked #19 because of its Google rating and trade focus: 4.5★ from 389 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Potomac, 5 mi away
Ranked #20 because of its Google rating and trade focus: 4.9★ from 16 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Rockville, 6 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 30 Google reviews, listed on Google as “Swimming pool repair service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Gaithersburg, 8 mi away
Ranked #22 because of its Google rating and trade focus: 4.5★ 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 Germantown, 11 mi away
Ranked #23 because of its Google rating and trade focus: 4.5★ from 124 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Rockville, 7 mi away
Ranked #24 because of its Google rating and trade focus: 4.9★ from 74 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Springfield, 20 mi away
Ranked #25 because of its Google rating and trade focus: 4.8★ from 129 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
We scored 278 North Potomac 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 North Potomac 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 |