94/100CR Score
Ranked #1 because of its Google rating and availability: 4.7★ from 2,766 Google reviews, open 24/7.
- 4.7★ from 2,766 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1720 E Los Angeles Ave ste d, Simi Valley, CA 93065
Best Plumbers in Simi Valley, CA (2026)
621 plumbers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Simi Valley: Dutton Plumbing, Cooling & Heating, CR Score 94/100; 4.7★ from 2,766 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Happy Flushin Plumbing, posts 24/7 hours; ranked #2 of 621.
- 19
Most-reviewed: Conejo Services HVAC, Plumbing and Electrical, 2,368 Google reviews at 4.9★, the most of 621 ranked after Dutton Plumbing, Cooling & Heating; ranked #19.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
621 Simi Valley plumbers are ranked here by CR Score, from 8 published factors. 311 are open 24/7, 491 open Saturdays and 388 open Sundays, based on posted hours. The median Google rating is 4.9★ across 621 rated businesses.
Top 10 plumbers in Simi Valley at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Dutton Plumbing, Cooling & Heating | 94 | 4.7★ (2,766) | Simi Valley | 24/7 | Overall |
| 2 | Happy Flushin Plumbing | 94 | 5.0★ (1,365) | Encino, 7 mi away | 24/7 | Emergencies |
| 3 | Simi Valley Emergency Plumbing | 94 | 5.0★ (386) | Simi Valley | 24/7 | — |
| 4 | Highsmith & Daughters Plumbing Inc | 93 | 4.9★ (866) | Malibu, 5 mi away | 24/7 | — |
| 5 | Roto-Rooter Plumbing & Water Cleanup | 92 | 4.8★ (2,036) | Chatsworth, 10 mi away | 24/7 | — |
| 6 | Rooter Hero Plumbing & Air San Fernando Valley | 92 | 4.9★ (1,192) | Chatsworth, 10 mi away | 24/7 | — |
| 7 | Payless Water Heaters & Plumbing | 92 | 4.9★ (546) | Thousand Oaks, 6 mi away | 24/7 | — |
| 8 | WHRP Plumbing | 92 | 4.9★ (208) | Simi Valley | 24/7 | — |
| 9 | Team Rooter Plumbing Ventura | 91 | 4.9★ (169) | Simi Valley | 24/7 | — |
| 10 | THE Water Heater Company | 91 | 4.9★ (1,006) | Camarillo, 14 mi away | 24/7 | — |
The 621 best plumbers in Simi Valley, ranked
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Scores below: based on 6 of 8 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Based in Encino, 7 mi away
94/100CR ScoreRanked #2 because of its Google rating and availability: 5.0★ from 1,365 Google reviews, open 24/7.
- 5.0★ from 1,365 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Simi Valley
94/100CR ScoreRanked #3 because of its Google rating and availability: 5.0★ from 386 Google reviews, open 24/7.
- 5.0★ from 386 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 804 Holbrook Ave, Simi Valley, CA 93065
Based in Malibu, 5 mi away
93/100CR ScoreRanked #4 because of its Google rating and availability: 4.9★ from 866 Google reviews, open 24/7.
- 4.9★ from 866 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Chatsworth, 10 mi away
92/100CR ScoreRanked #5 because of its Google rating and availability: 4.8★ from 2,036 Google reviews, open 24/7.
- 4.8★ from 2,036 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 10233 Topanga Canyon Blvd, Chatsworth, CA 91311
Based in Chatsworth, 10 mi away
92/100CR ScoreRanked #6 because of its Google rating and availability: 4.9★ from 1,192 Google reviews, open 24/7.
- 4.9★ from 1,192 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 21636 Marilla St, Chatsworth, CA 91311
Based in Thousand Oaks, 6 mi away
92/100CR ScoreRanked #7 because of its Google rating and availability: 4.9★ from 546 Google reviews, open 24/7.
- 4.9★ from 546 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1800 Berkshire Dr #1805, Thousand Oaks, CA 91362
Based in Simi Valley
92/100CR ScoreRanked #8 because of its Google rating and availability: 4.9★ from 208 Google reviews, open 24/7.
- 4.9★ from 208 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1253 Plum Ave, Simi Valley, CA 93065
Based in Simi Valley
91/100CR ScoreRanked #9 because of its Google rating and availability: 4.9★ from 169 Google reviews, open 24/7.
- 4.9★ from 169 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2320 Shasta Way # F, Simi Valley, CA 93065
Based in Camarillo, 14 mi away
91/100CR ScoreRanked #10 because of its Google rating and availability: 4.9★ from 1,006 Google reviews, open 24/7.
- 4.9★ from 1,006 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 808 Calle Plano, Camarillo, CA 93012
Based in Chatsworth, 12 mi away
90/100CR ScoreRanked #11 because of its Google rating and availability: 4.8★ from 996 Google reviews, open 24/7.
- 4.8★ from 996 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 20338 Corisco St, Chatsworth, CA 91311
#12 Leak Man
Based in Woodland Hills, 11 mi away
90/100CR ScoreRanked #12 because of its Google rating and availability: 5.0★ from 296 Google reviews, open 24/7.
- 5.0★ from 296 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 22900 Ventura Blvd # 250, Woodland Hills, CA 91364
Based in Santa Clarita, 17 mi away
90/100CR ScoreRanked #13 because of its Google rating and availability: 4.8★ from 1,762 Google reviews, open 24/7.
- 4.8★ from 1,762 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 27919 Smyth Dr, Santa Clarita, CA 91355
#14 Lynch Plumbing
Based in Chatsworth, 11 mi away
90/100CR ScoreRanked #14 because of its Google rating and availability: 4.9★ from 343 Google reviews, open 24/7.
- 4.9★ from 343 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 21356 Nordhoff St STE 111, Chatsworth, CA 91311
Based in Camarillo, 5 mi away
90/100CR ScoreRanked #15 because of its Google rating and availability: 4.8★ from 2,247 Google reviews, open 24/7.
- 4.8★ from 2,247 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Simi Valley
89/100CR ScoreRanked #16 because of its Google rating and availability: 5.0★ from 45 Google reviews, open 24/7.
- 5.0★ from 45 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Simi Valley
89/100CR ScoreRanked #17 because of its Google rating and availability: 4.9★ from 537 Google reviews, open 24/7.
- 4.9★ from 537 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 94 W Cochran St C, Simi Valley, CA 93065
Based in North Hills, 17 mi away
89/100CR ScoreRanked #18 because of its Google rating and availability: 4.8★ from 1,341 Google reviews, open 24/7.
- 4.8★ from 1,341 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 16065 Foothill Blvd, Sylmar, CA 91342
Based in Camarillo, 10 mi away
89/100CR ScoreRanked #19 because of its Google rating and availability: 4.9★ from 2,368 Google reviews, open 24/7.
- 4.9★ from 2,368 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2550 Azurite Cir, Newbury Park, CA 91320
Based in Woodland Hills, 13 mi away
89/100CR ScoreRanked #20 because of its Google rating and availability: 4.9★ from 290 Google reviews, open 24/7.
- 4.9★ from 290 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 5104 Topanga Canyon Blvd, Woodland Hills, CA 91364
Based in Simi Valley
89/100CR ScoreRanked #21 because of its Google rating and availability: 5.0★ from 34 Google reviews, open 24/7.
- 5.0★ from 34 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 4525 E Industrial St Unit 3a, Simi Valley, CA 93063
Based in Simi Valley
89/100CR ScoreRanked #22 because of its Google rating and availability: 4.9★ from 44 Google reviews, open 24/7.
- 4.9★ from 44 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1295 Cadiz Dr, Simi Valley, CA 93065
Based in Simi Valley
89/100CR ScoreRanked #23 because of its Google rating and availability: 5.0★ from 34 Google reviews, open 24/7.
- 5.0★ from 34 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Valencia, 17 mi away
89/100CR ScoreRanked #24 because of its Google rating and availability: 4.7★ from 1,599 Google reviews, open 24/7.
- 4.7★ from 1,599 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 28358 Constellation Rd # 698, Valencia, CA 91355
Based in North Hollywood, 11 mi away
89/100CR ScoreRanked #25 because of its Google rating and availability: 5.0★ from 118 Google reviews, open 24/7.
- 5.0★ from 118 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Plumbers 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 621 ranked plumbers here; the rest are on their profiles.
Also serving Simi Valley
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 |
|---|---|---|
| American Plumbing | 5.0★ (2) | 7 mi |
| Bee's Water Heating Repair Simi Valley | 5.0★ (8) | In Simi Valley |
| Buron's Preferred Pumping Co | In Simi Valley | |
| Caravaggio Plumbing | 5.0★ (2) | In Simi Valley |
| Checkered Flag Plumbing | 5.0★ (2) | In Simi Valley |
| Chris & Son Plumbing, Inc. | 5.0★ (2) | In Simi Valley |
| Dave's Appliance & Plumbing | 1.0★ (1) | In Simi Valley |
| Elite Rooter | In Simi Valley | |
| ENGLISH PLUMBING | 5.0★ (2) | In Simi Valley |
| New Millennium Plumbing | 5.0★ (1) | In Simi Valley |
| PE Ramos Plumbing | 5.0★ (2) | In Simi Valley |
| Pegasus Leak Detection | In Simi Valley | |
| Sewer Line Video Inspection Company Inc | 5.0★ (2) | 9 mi |
| Simi Sewer Services | In Simi Valley | |
| Simi Valley Backflow Inc | In Simi Valley | |
| Simi Valley Plumbing Specialists | In Simi Valley | |
| Terry's Plumbing | 5.0★ (2) | 6 mi |
| The Water Heater Brother’s | In Simi Valley | |
| Wasteline Plumbing | 5.0★ (1) | In Simi Valley |
| Zipp Plumbing | In Simi Valley |
How much do plumbers cost in Simi Valley?
National price ranges in USD, not adjusted for Simi Valley. 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 |
How to check a plumber's license in California
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).
- Search the business name or license number on the Contractors State License Board (CSLB) license lookup.
- Check that the status is active and the name matches the contract or truck.
- Ask for proof of insurance before work starts.
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
How we ranked Simi Valley plumbers
We scored 621 Simi Valley plumbers on 8 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. Unknown factors are left out of the score, 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 Simi Valley data |
|---|---|---|---|
| Reputation | 35% | Bayesian-adjusted Google star rating | Measured |
| Credentials | 15% | Active state license 0.6, bond 0.2, workers’ comp 0.2 | Not yet collected |
| Review volume | 10% | log10(reviews + 1) against the list maximum | Measured |
| Recency | 10% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 10% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | Google main category 1.0, business name 0.7, additional category 0.5 | Measured |
| Proximity | 5% | 1.0 when based in the city, falling to 0 at the trade’s radius | Measured |
| Completeness | 5% | Website, photos, description, hours, claimed profile (0.2 each) | Measured |
Plumbers in Simi Valley: frequently asked questions
Who is the best plumber in Simi Valley?
By CR Score, the highest-ranked plumber in Simi Valley, CA is Dutton Plumbing, Cooling & Heating with a CR Score of 94/100. It has 4.7★ from 2,766 Google reviews. It is open 24/7. Happy Flushin Plumbing (#2) and Simi Valley Emergency Plumbing (#3) follow. We ranked 621 plumbers on 8 factors, last updated October 22, 2026.
How many plumbers are there in Simi Valley?
ContractorsRanked ranks 621 plumbers serving Simi Valley, CA. 11 of them are based in Simi Valley; the rest serve it from nearby towns. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.
Which plumbers in Simi Valley are open 24/7?
311 ranked plumbers in Simi Valley post 24/7 hours. The highest-ranked are Dutton Plumbing, Cooling & Heating (#1), Happy Flushin Plumbing (#2) and Simi Valley Emergency Plumbing (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which plumbers in Simi Valley work on weekends?
491 of 621 ranked plumbers post Saturday hours and 388 post Sunday hours. The highest-ranked open Saturdays are Dutton Plumbing, Cooling & Heating (#1), Happy Flushin Plumbing (#2) and Simi Valley Emergency Plumbing (#3). Posted hours are office hours; crews may book weekend jobs separately.
How do I check a plumber's license in California?
In California, Contractors State License Board (CSLB) handles licensing and covers C-36 Plumbing contractor license. Search the business or license number at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/CheckLicense.aspx. Jobs of $1,000 or more in labor and materials (from January 1, 2025).
How much does water heater replacement cost in Simi Valley?
Water heater replacement typically costs $882 to $1,826, with $1,348 typical (Per unit, installed (unit plus labor); typical range of customer-reported jobs. US national range). This is a national range, not adjusted for Simi Valley. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Simi Valley plumbers have?
The median Google rating among 621 rated plumbers in Simi Valley is 4.9★, with a median of 20 reviews. Dutton Plumbing, Cooling & Heating has the most, 2,766 reviews, and ranks #1. We adjust ratings for review count, so a few five-star reviews cannot top the list.
How does ContractorsRanked rank plumbers?
Each plumber gets a 0–100 CR Score from 8 published factors, led by reputation (35%), credentials (15%), review volume (10%) and recency (10%). Factors we cannot measure are left out, not scored as zero. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.
Update log for Simi Valley
- October 2026: CR Scores recalculated for 621 plumbers serving Simi Valley.
- October 2026: 8 duplicate listings merged.
More plumbers and Simi Valley pages
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- Window installers in Simi Valley315 ranked
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- Foundation repair companies in Simi Valley141 ranked
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