62/100CR Score
Ranked #1 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.
Best Pool Builders in Rockville, MD (2026)
299 pool builders ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Rockville: Capital Hot Tubs & Saunas – Rockville, CR Score 62/100; 4.6★ from 301 Google reviews; open 7 days a week.
- 9
Best for emergencies (open 24/7): Finn's Pool & Spa Service, posts 24/7 hours; ranked #9 of 299.
- 2
Most-reviewed: AquaSafe Pool Management, Inc., 1,053 Google reviews at 4.8★, the most of 299 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
299 Rockville pool builders are ranked here by CR Score, from ten published factors. 20 are open 24/7, 157 open Saturdays and 55 open Sundays, based on posted hours. The median Google rating is 4.7★ across 299 rated businesses.
Most of this list also appears on the Pool builders in Germantown ranking. See Pool builders in Germantown
Top 10 pool builders in Rockville at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Capital Hot Tubs & Saunas – Rockville | 62 | 4.6★ (301) | Rockville | Sat · Sun | Overall |
| 2 | AquaSafe Pool Management, Inc. | 62 | 4.8★ (1,053) | Hanover, 25 mi away | Sat · Sun | Most reviews |
| 3 | System Pools LLC | 61 | 4.8★ (102) | Rockville | Sat · Sun · Evenings | — |
| 4 | Capital Hot Tubs & Saunas – Clarksburg | 61 | 4.7★ (494) | Clarksburg, 16 mi away | Sat · Sun | — |
| 5 | Capital Hot Tubs & Saunas – Fairfax | 60 | 4.7★ (389) | Fairfax, 19 mi away | Sat · Sun | — |
| 6 | Subcomm Pools | 60 | 4.9★ (137) | Falls Church, 15 mi away | Sat · Sun | — |
| 7 | Hydro Pool & Spa, Inc. | 60 | 4.5★ (483) | Gaithersburg, 6 mi away | Sat | — |
| 8 | B&D Pools LLC | 60 | 4.8★ (88) | Silver Spring, 8 mi away | Sat · Sun · Evenings | — |
| 9 | Finn's Pool & Spa Service | 60 | 4.7★ (70) | Vienna, 14 mi away | 24/7 | Emergencies |
| 10 | HYDRATECH LLC | 59 | 5.0★ (59) | Rockville | Sat | — |
The 299 best pool builders in Rockville, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Based in Hanover, 25 mi away
62/100CR ScoreRanked #2 because of its Google rating and review volume: 4.8★ from 1,053 Google reviews, the most in Rockville.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Rockville
61/100CR ScoreRanked #3 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 Clarksburg, 16 mi away
61/100CR ScoreRanked #4 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 Fairfax, 19 mi away
60/100CR ScoreRanked #5 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 Falls Church, 15 mi away
60/100CR ScoreRanked #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 Gaithersburg, 6 mi away
60/100CR ScoreRanked #7 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 Silver Spring, 8 mi away
60/100CR ScoreRanked #8 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 Vienna, 14 mi away
60/100CR ScoreRanked #9 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.
#10 HYDRATECH LLC
Based in Rockville
59/100CR ScoreRanked #10 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 Chantilly, 22 mi away
59/100CR ScoreRanked #11 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 Silver Spring, 8 mi away
58/100CR ScoreRanked #12 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 Chantilly, 20 mi away
58/100CR ScoreRanked #13 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 Jessup, 20 mi away
58/100CR ScoreRanked #14 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 Westminster, 34 mi away
58/100CR ScoreRanked #15 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 Alexandria, 20 mi away
58/100CR ScoreRanked #16 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.
#17 Aquatic Waves
Based in Rockville
58/100CR ScoreRanked #17 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 Rockville
58/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.9★ 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 Rockville
58/100CR ScoreRanked #19 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 Sterling, 16 mi away
57/100CR ScoreRanked #20 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 Bowleys Quarters, 18 mi away
57/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.8★ from 23 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#22 Brighton Pools
Based in Annapolis, 37 mi away
57/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.9★ from 175 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#23 Watercrafters
Based in Gaithersburg, 6 mi away
57/100CR ScoreRanked #23 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 North Potomac, 5 mi away
57/100CR ScoreRanked #24 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
57/100CR ScoreRanked #25 because of its Google rating and trade focus: 5.0★ from 19 Google reviews, listed on Google as “Swimming pool repair service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
How we ranked Rockville pool builders
We scored 299 Rockville 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 Rockville 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 Rockville: frequently asked questions
Who is the best pool builder in Rockville?
By CR Score, the highest-ranked pool builder in Rockville, MD is Capital Hot Tubs & Saunas – Rockville with a CR Score of 62/100. It has 4.6★ from 301 Google reviews. It is open 7 days a week. AquaSafe Pool Management, Inc. (#2) and System Pools LLC (#3) follow. We ranked 299 pool builders on ten factors, last updated November 3, 2026.
How many pool builders are there in Rockville?
ContractorsRanked ranks 299 pool builders serving Rockville, MD. 7 of them are based in Rockville; the rest serve it from nearby towns. Counts are as of November 2026.
Which pool builders in Rockville are open 24/7?
20 ranked pool builders in Rockville post 24/7 hours. The highest-ranked are Finn's Pool & Spa Service (#9), Manns Pool Water Delivery (#15) and Picture Perfect Pools maryland (#21). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which pool builders in Rockville work on weekends?
157 of 299 ranked pool builders post Saturday hours and 55 post Sunday hours. The highest-ranked open Saturdays are Capital Hot Tubs & Saunas – Rockville (#1), AquaSafe Pool Management, Inc. (#2) and System Pools LLC (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Rockville pool builders have?
The median Google rating among 299 rated pool builders in Rockville is 4.7★, with a median of 22 reviews. AquaSafe Pool Management, Inc. has the most, 1,053 reviews, and ranks #2. 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 Rockville count in this ranking?
Yes, if they are within 40 mi of the Rockville 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 Rockville
- November 2026: CR Scores recalculated for 299 pool builders serving Rockville.
- November 2026: 3 duplicate listings merged.
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