590 plumbers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Thousand Oaks: Payless Water Heaters & Plumbing, CR Score 66/100; 4.9★ from 546 Google reviews; open 24/7.
Best for emergencies (open 24/7): Happy Flushin Plumbing, posts 24/7 hours; ranked #2 of 590.
Most-reviewed: Dutton Plumbing, Cooling & Heating, 2,766 Google reviews at 4.7★, the most of 590 ranked; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
590 Thousand Oaks plumbers are ranked here by CR Score, from ten published factors. 299 are open 24/7, 463 open Saturdays and 366 open Sundays, based on posted hours. The median Google rating is 4.9★ across 590 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Payless Water Heaters & Plumbing | 66 | 4.9★ (546) | Thousand Oaks | 24/7 | Overall |
| 2 | Happy Flushin Plumbing | 65 | 5.0★ (1,365) | Encino, 10 mi away | 24/7 | Emergencies |
| 3 | Dutton Plumbing, Cooling & Heating | 65 | 4.7★ (2,766) | Simi Valley, 8 mi away | 24/7 | Most reviews |
| 4 | THE Water Heater Company | 64 | 4.9★ (1,006) | Camarillo, 10 mi away | 24/7 | — |
| 5 | Simi Valley Emergency Plumbing | 64 | 5.0★ (386) | Simi Valley, 7 mi away | 24/7 | — |
| 6 | Roto-Rooter Plumbing & Water Cleanup | 63 | 4.8★ (2,036) | Chatsworth, 15 mi away | 24/7 | — |
| 7 | Highsmith & Daughters Plumbing Inc | 63 | 4.9★ (866) | Malibu, 12 mi away | 24/7 | — |
| 8 | Rooter Hero Plumbing & Air San Fernando Valley | 63 | 4.9★ (1,192) | Chatsworth, 15 mi away | 24/7 | — |
| 9 | Conejo Services HVAC, Plumbing and Electrical | 63 | 4.9★ (2,368) | Camarillo, 6 mi away | 24/7 | — |
| 10 | Conejo Emergency Plumbing | 62 | 5.0★ (84) | Chatsworth, 3 mi away | 24/7 | — |
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.
Ranked #1 because of its Google rating and trade focus: 4.9★ from 546 Google reviews, listed on Google as “Plumber”.
Based in Encino, 10 mi away
Ranked #2 because of its Google rating and trade focus: 5.0★ from 1,365 Google reviews, listed on Google as “Plumber”.
Based in Simi Valley, 8 mi away
Ranked #3 because of its Google rating and review volume: 4.7★ from 2,766 Google reviews, the most in Thousand Oaks.
Based in Camarillo, 10 mi away
Ranked #4 because of its Google rating and trade focus: 4.9★ from 1,006 Google reviews, listed on Google as “Plumber”.
Based in Simi Valley, 7 mi away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 386 Google reviews, listed on Google as “Plumber”.
Based in Chatsworth, 15 mi away
Ranked #6 because of its Google rating and trade focus: 4.8★ from 2,036 Google reviews, listed on Google as “Plumber”.
Based in Malibu, 12 mi away
Ranked #7 because of its Google rating and trade focus: 4.9★ from 866 Google reviews, listed on Google as “Plumber”.
Based in Chatsworth, 15 mi away
Ranked #8 because of its Google rating and trade focus: 4.9★ from 1,192 Google reviews, listed on Google as “Plumber”.
Based in Camarillo, 6 mi away
Ranked #9 because of its Google rating and review volume: 4.9★ from 2,368 Google reviews.
Based in Chatsworth, 3 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 84 Google reviews, listed on Google as “Plumber”.
Based in Camarillo, 5 mi away
Ranked #11 because of its Google rating and review volume: 4.8★ from 2,247 Google reviews.
Based in Woodland Hills, 12 mi away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 296 Google reviews, listed on Google as “Plumber”.
Based in Chatsworth, 16 mi away
Ranked #13 because of its Google rating and trade focus: 4.8★ from 996 Google reviews, listed on Google as “Plumber”.
Based in Simi Valley, 8 mi away
Ranked #14 because of its Google rating and trade focus: 4.9★ from 208 Google reviews, listed on Google as “Plumber”.
Based in Camarillo, 10 mi away
Ranked #15 because of its Google rating and trade focus: 4.8★ from 371 Google reviews, listed on Google as “Plumber”.
Based in Thousand Oaks
Ranked #16 because of its Google rating and trade focus: 4.9★ from 54 Google reviews, listed on Google as “Plumber”.
Based in Simi Valley, 8 mi away
Ranked #17 because of its Google rating and trade focus: 4.9★ from 169 Google reviews, listed on Google as “Plumber”.
Based in Woodland Hills, 13 mi away
Ranked #18 because of its Google rating and trade focus: 4.9★ from 290 Google reviews, listed on Google as “Plumber”.
Based in Chatsworth, 15 mi away
Ranked #19 because of its Google rating and trade focus: 4.9★ from 343 Google reviews, listed on Google as “Plumber”.
Based in Westlake Village, 3 mi away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 49 Google reviews, listed on Google as “Plumber”.
Based in Thousand Oaks
Ranked #21 because of its Google rating and trade focus: 4.9★ from 38 Google reviews, listed on Google as “Plumber”.
Based in Camarillo, 7 mi away
Ranked #22 because of its Google rating and review volume: 4.8★ from 1,498 Google reviews.
Based in Thousand Oaks
Ranked #23 because of its Google rating and trade focus: 5.0★ from 30 Google reviews, listed on Google as “Plumber”.
Based in Thousand Oaks
Ranked #24 because of its Google rating and trade focus: 5.0★ from 28 Google reviews, listed on Google as “Plumber”.
Based in Westlake Village, 2 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 32 Google reviews, listed on Google as “Plumber”.
#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 590 ranked plumbers here; the rest are on their profiles.
20 more plumbers within 25 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 |
|---|---|---|
| Ace Plumber Thousand Oaks CA | In Thousand Oaks | |
| American Plumbing | 5.0★ (2) | 5 mi |
| Bryco Plumbing | 4.9★ (528) | 13 mi |
| Chris & Son Plumbing, Inc. | 5.0★ (2) | 2 mi |
| Coast AC & Heater Repair Thousand Oaks | 5.0★ (38) | In Thousand Oaks |
| Dan's Plumbing | 5.0★ (2) | 2 mi |
| Daniel Ruvalcaba Plumbing | In Thousand Oaks | |
| G.D. Robinson | In Thousand Oaks | |
| Grant Heating & Cooling Services | 5.0★ (27) | In Thousand Oaks |
| Hummin Plumbing | 5.0★ (1) | In Thousand Oaks |
| Jessie Flores Landscape Co. | In Thousand Oaks | |
| MarvCo Inc. | In Thousand Oaks | |
| Mike Moran Plumbing Inc | 5.0★ (1) | In Thousand Oaks |
| On Time Water Heaters Inc. | 5.0★ (2) | 6 mi |
| PE Ramos Plumbing | 5.0★ (2) | 7 mi |
| Plumbing 4 All Plumbers Thousand Oaks | In Thousand Oaks | |
| Premier Thousand Oaks Plumbing | In Thousand Oaks | |
| Terry's Plumbing | 5.0★ (2) | In Thousand Oaks |
| Vertex Thousand Oaks Plumbing Services | In Thousand Oaks | |
| Village Plumbing, Heating, & Air Conditioning | In Thousand Oaks |
National price ranges in USD, not adjusted for Thousand Oaks. Each row names its basis and the month we checked it.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Water heater replacement | $882 | $1,348 | $1,826 | Per unit, installed (unit plus labor); typical range of customer-reported jobs. US national range | October 2026 |
In California, Contractors State License Board (CSLB) licenses C-36 Plumbing contractor license.
Jobs of $1,000 or more in labor and materials (from January 1, 2025).
No chip usually means we have not matched a state record yet. Check the lookup yourself before you hire.
Guide checked October 2026. How we verify licenses
We scored 590 Thousand Oaks plumbers 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 October 22, 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 Thousand Oaks 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 |