60/100CR Score
Ranked #1 because of its Google rating and review volume: 4.9★ from 403 Google reviews, the most in Mill Valley.
Best Pool Builders in Mill Valley, CA (2026)
163 pool builders ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Mill Valley: The Hot Tub Store, CR Score 60/100; 4.9★ from 403 Google reviews; open 7 days a week.
- 2
Best for emergencies (open 24/7): G-whizz Pool Cleaning, posts 24/7 hours; ranked #2 of 163.
- 11
Most-reviewed: Pools Etc., 366 Google reviews at 4.8★, the most of 163 ranked after The Hot Tub Store; ranked #11.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
163 Mill Valley pool builders are ranked here by CR Score, from ten published factors. 5 are open 24/7, 74 open Saturdays and 37 open Sundays, based on posted hours. The median Google rating is 4.8★ across 163 rated businesses.
Top 10 pool builders in Mill Valley at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | The Hot Tub Store | 60 | 4.9★ (403) | Santa Rosa, 39 mi away | Sat · Sun | Overall |
| 2 | G-whizz Pool Cleaning | 60 | 5.0★ (46) | Vallejo, 21 mi away | 24/7 | Emergencies |
| 3 | The Hot Tub Store | 60 | 4.9★ (262) | Fairfield, 36 mi away | Sat · Sun | — |
| 4 | Marin Pool Renovators | 58 | 4.9★ (30) | Novato, 13 mi away | Sat · Sun · Evenings | — |
| 5 | Poolsafe, LLC | 58 | 4.8★ (128) | San Francisco, 11 mi away | — | — |
| 6 | Leslie's Pool Supplies | 57 | 4.5★ (81) | Pleasant Hill, 27 mi away | Sat · Sun | — |
| 7 | Baby Proof Pool Safety Nets and Fencing | 57 | 5.0★ (17) | Berkeley, 15 mi away | Sat · Sun | — |
| 8 | The Pool Doctor | 57 | 4.7★ (110) | El Sobrante, 14 mi away | — | — |
| 9 | Capri Pools Services | 57 | 5.0★ (13) | San Rafael, 13 mi away | Sat · Sun | — |
| 10 | Paradise Valley Spas San Rafael | 57 | 3.6★ (32) | San Rafael, 4 mi away | Sat · Sun · Evenings | — |
The 163 best pool builders in Mill Valley, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Based in Vallejo, 21 mi away
60/100CR ScoreRanked #2 because of its Google rating and trade focus: 5.0★ from 46 Google reviews, listed on Google as “Swimming pool repair service”.
Based in Fairfield, 36 mi away
60/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.9★ from 262 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Novato, 13 mi away
58/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.9★ from 30 Google reviews, listed on Google as “Swimming pool contractor”.
Based in San Francisco, 11 mi away
58/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.8★ from 128 Google reviews, listed on Google as “Swimming pool repair service”.
Based in Pleasant Hill, 27 mi away
57/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.5★ from 81 Google reviews, listed on Google as “Swimming pool repair service”.
Based in Berkeley, 15 mi away
57/100CR ScoreRanked #7 because of its Google rating and trade focus: 5.0★ from 17 Google reviews, listed on Google as “Swimming pool contractor”.
Based in El Sobrante, 14 mi away
57/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.7★ from 110 Google reviews, listed on Google as “Swimming pool contractor”.
Based in San Rafael, 13 mi away
57/100CR ScoreRanked #9 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “Swimming pool contractor”.
Based in San Rafael, 4 mi away
57/100CR ScoreRanked #10 because of its Google rating and trade focus: 3.6★ from 32 Google reviews, listed on Google as “Swimming pool repair service”.
#11 Pools Etc.
Based in Menlo Park, 36 mi away
56/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.8★ from 366 Google reviews, listed on Google as “Swimming pool repair service”.
#12 Skim N Dip
Based in Concord, 29 mi away
56/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.9★ from 142 Google reviews, listed on Google as “Swimming pool contractor”.
#13 Claremont Pools
Based in Concord, 36 mi away
56/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.8★ from 25 Google reviews, listed on Google as “Swimming pool repair service”.
Based in San Mateo, 28 mi away
55/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.2★ from 68 Google reviews, listed on Google as “Swimming pool repair service”.
Based in Hayward, 28 mi away
55/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.8★ from 64 Google reviews, listed on Google as “Swimming pool repair service”.
Based in Walnut Creek, 26 mi away
55/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.9★ from 79 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Danville, 30 mi away
55/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.9★ from 104 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Fairfield, 35 mi away
55/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.7★ from 233 Google reviews, listed on Google as “Swimming pool repair service”.
#19 Pool Yeti's
Based in Richmond, 30 mi away
55/100CR ScoreRanked #19 because of its Google rating and trade focus: 5.0★ from 22 Google reviews, listed on Google as “Swimming pool repair service”.
Based in Concord, 28 mi away
55/100CR ScoreRanked #20 because of its Google rating and trade focus: 5.0★ from 76 Google reviews, listed on Google as “Swimming pool repair service”.
Based in El Sobrante, 14 mi away
55/100CR ScoreRanked #21 because of its Google rating and trade focus: 3.7★ from 3 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Concord, 28 mi away
55/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.1★ from 46 Google reviews, listed on Google as “Swimming pool repair service”.
Based in Oakland, 31 mi away
55/100CR ScoreRanked #23 because of its Google rating and trade focus: 5.0★ from 38 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Napa, 29 mi away
55/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.9★ from 77 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Albany, 15 mi away
54/100CR ScoreRanked #25 because of its Google rating and review volume: 5.0★ from 73 Google reviews.
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 163 ranked pool builders here; the rest are on their profiles.
Also serving Mill Valley
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 Built Pools Inc | 3.0★ (2) | 20 mi |
| Berkeley Pool Remodeling | 5.0★ (2) | 15 mi |
| Blackard Pool Construction | 5.0★ (2) | 29 mi |
| Clearline Pool Services | 3.5★ (2) | 31 mi |
| Dan Hendrickson Pool Construction | 4.5★ (2) | 34 mi |
| Diablo Pool Pros | 4.5★ (2) | 27 mi |
| Discount Plumbing Rooter Services | 5.0★ (45) | In Mill Valley |
| Diverse Scape Pools & Spas, Inc. | 5.0★ (2) | 31 mi |
| Four Seasons Pool Services | 3.0★ (2) | 26 mi |
| Pacific Pools Inc | 5.0★ (2) | 30 mi |
| Pool Scene Inc | 5.0★ (2) | 14 mi |
| Pumps & Works | 5.0★ (2) | 34 mi |
| Reliable Fence & Deck LLC | 5.0★ (1) | In Mill Valley |
| Rivera Family Pools & Remodeling | 5.0★ (2) | 5 mi |
| Shamrock Pool Fiberglass Inc | 3.0★ (2) | 24 mi |
| Sonoma Backyard Pool Construction | 5.0★ (2) | 31 mi |
| Tide Wave Pools Inc. | 5.0★ (2) | 29 mi |
| Town & Country Pool Services | 5.0★ (2) | 28 mi |
| Unique Pools | 5.0★ (2) | 14 mi |
| V Reyes Tile & Stone | In Mill Valley |
How we ranked Mill Valley pool builders
We scored 163 Mill Valley 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 Mill Valley 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 Mill Valley: frequently asked questions
Who is the best pool builder in Mill Valley?
By CR Score, the highest-ranked pool builder in Mill Valley, CA is The Hot Tub Store with a CR Score of 60/100. It has 4.9★ from 403 Google reviews. It is open 7 days a week. G-whizz Pool Cleaning (#2) and The Hot Tub Store (#3) follow. We ranked 163 pool builders on ten factors, last updated November 3, 2026.
How many pool builders are there in Mill Valley?
ContractorsRanked ranks 163 pool builders serving Mill Valley, CA. Another 20 within 40 mi are listed but not ranked yet. Counts are as of November 2026.
Which pool builders in Mill Valley are open 24/7?
5 ranked pool builders in Mill Valley post 24/7 hours. The highest-ranked are G-whizz Pool Cleaning (#2), Claremont Pools (#13) and Two Brothers Pool & Spa (#21). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which pool builders in Mill Valley work on weekends?
74 of 163 ranked pool builders post Saturday hours and 37 post Sunday hours. The highest-ranked open Saturdays are The Hot Tub Store (#1), G-whizz Pool Cleaning (#2) and The Hot Tub Store (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Mill Valley pool builders have?
The median Google rating among 163 rated pool builders in Mill Valley is 4.8★, with a median of 11 reviews. The Hot Tub Store has the most, 403 reviews, and ranks #1. 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 Mill Valley count in this ranking?
Yes, if they are within 40 mi of the Mill Valley 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 Mill Valley
- November 2026: CR Scores recalculated for 163 pool builders serving Mill Valley.
- November 2026: 3 duplicate listings merged.
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