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ContractorsRanked

Best Plumbers in Oak Park, CA (2026)

805 plumbers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in Oak Park: Happy Flushin Plumbing, CR Score 94/100; 5.0★ from 1,365 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Dutton Plumbing, Cooling & Heating, posts 24/7 hours; ranked #2 of 805.

  3. 2

    Most-reviewed: Dutton Plumbing, Cooling & Heating, 2,766 Google reviews at 4.7★, the most of 805 ranked; ranked #2.

Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank

805 Oak Park plumbers are ranked here by CR Score, from 8 published factors. 409 are open 24/7, 640 open Saturdays and 517 open Sundays, based on posted hours. The median Google rating is 4.9★ across 805 rated businesses.

Top 10 plumbers in Oak Park at a glance

Top 10 plumbers in Oak Park at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Happy Flushin Plumbing945.0★ (1,365)Encino, 6 mi away24/7Overall
2Dutton Plumbing, Cooling & Heating934.7★ (2,766)Simi Valley, 6 mi away24/7Emergencies, Most reviews
3Simi Valley Emergency Plumbing925.0★ (386)Simi Valley, 5 mi away24/7—
4Payless Water Heaters & Plumbing924.9★ (546)Thousand Oaks, 5 mi away24/7—
5Rooter Hero Plumbing & Air San Fernando Valley924.9★ (1,192)Chatsworth, 10 mi away24/7—
6Roto-Rooter Plumbing & Water Cleanup924.8★ (2,036)Chatsworth, 10 mi away24/7—
7Highsmith & Daughters Plumbing Inc924.9★ (866)Malibu, 10 mi away24/7—
8Leak Man915.0★ (296)Woodland Hills, 8 mi away24/7—
9THE Water Heater Company914.9★ (1,006)Camarillo, 14 mi away24/7—
10Most Valuable Plumber914.8★ (996)Chatsworth, 11 mi away24/7—

The 805 best plumbers in Oak Park, 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.

  8. #8 Leak Man

    Based in Woodland Hills, 8 mi away

    91/100CR Score

    Ranked #8 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
    View profile for Leak Man(888) 324-5599

  11. #11 WHRP Plumbing

    Based in Simi Valley, 6 mi away

    90/100CR Score

    Ranked #11 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
    View profile for WHRP Plumbing(833) 233-2200

  13. #13 Lynch Plumbing

    Based in Chatsworth, 10 mi away

    90/100CR Score

    Ranked #13 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
    View profile for Lynch Plumbing(818) 773-9514

  19. #19 Repipe1

    Based in Westlake Village, 3 mi away

    89/100CR Score

    Ranked #19 because of its Google rating and availability: 5.0★ from 49 Google reviews, open 24/7.

    • 5.0★ from 49 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    30700 Russell Ranch Rd #250, Westlake Village, CA 91362
    View profile for Repipe1(866) 737-4731

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 805 ranked plumbers here; the rest are on their profiles.

plumbers in Oak Park, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Roto-Rooter Plumbing & Water Cleanup884.9★ (572)20 mi
27Sherlock Leak Detection884.9★ (127)10 mi
28Andy's Plumbing & Drain Services885.0★ (118)12 mi
29Curtis Plumbing Chatsworth884.9★ (123)10 mi
30Red Hat Plumbing884.9★ (479)19 mi
31The Sewer Brothers Plumbing and Rooter - Top Rated Plumbers885.0★ (101)11 mi
32Flood Brothers Plumbing884.8★ (1,036)21 mi
33Burpee's Plumbing & Rooter884.7★ (274)11 mi
34SummitPoint Westlake Village Plumbing885.0★ (32)4 mi
35Bryco Plumbing884.9★ (528)8 mi
36CastleWorks Home Services884.7★ (1,599)22 mi
37Monkey Wrench Plumbing, Heating, Air & Electric884.9★ (364)19 mi
38THE DRAIN CO.884.9★ (434)21 mi
39LA Wrench Plumber Northridge885.0★ (104)14 mi
40Trusted Plumber Thousand Oaks884.9★ (38)5 mi
41Rooter Hero Plumbing & Air874.9★ (537)7 mi
42Curtis Plumbing Simi Valley874.9★ (44)6 mi
43NexGen HVAC & Plumbing874.8★ (1,498)11 mi
44CRC Plumbing874.9★ (54)8 mi
45Roto-Rooter Plumbing & Water Cleanup874.8★ (940)24 mi
46Roto-Rooter Plumbing & Water Cleanup874.9★ (456)23 mi
47Blue Sky Plumbing875.0★ (30)6 mi
48Local Plumbers, Inc.875.0★ (176)19 mi
49American Drain Company875.0★ (34)7 mi
50One Thousand Oaks Plumbing875.0★ (30)6 mi

Also serving Oak Park

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.

Unranked plumbers serving Oak Park
BusinessGoogle ratingDistance
101 Plumbing Services Calabasas4.6★ (46)5 mi
3M Plumbing Inc5.0★ (2)10 mi
Affordable Home Service5.0★ (2)8 mi
Candu Plumbing of Chatsworth5.0★ (2)11 mi
Caravaggio Plumbing5.0★ (2)6 mi
Checkered Flag Plumbing5.0★ (2)7 mi
Chris & Son Plumbing, Inc.5.0★ (2)5 mi
Dan's Plumbing5.0★ (2)5 mi
Edwin The Plumber4.0★ (2)11 mi
Elite Plumbing and Rooter5.0★ (2)11 mi
Five Star Leak Detection5.0★ (2)10 mi
Guarantee Plumbing Inc.3.0★ (2)7 mi
L A Galaxy Plumbing & Solar Co4.0★ (1)In Oak Park
Livingston Plumbing3.0★ (2)10 mi
LSP Plumbing4.5★ (308)12 mi
On Time Water Heaters Inc.5.0★ (2)3 mi
PE Ramos Plumbing5.0★ (2)7 mi
Sewer Line Video Inspection Company Inc5.0★ (2)4 mi
Simi Valley Plumbing Inc5.0★ (2)6 mi
Terry's Plumbing5.0★ (2)6 mi

How much do plumbers cost in Oak Park?

National price ranges in USD, not adjusted for Oak Park. Each row names its basis and the month we checked it.

How much do plumbers cost in Oak Park?
JobLowTypicalHighBasisChecked
Water heater replacement$882$1,348$1,826Per unit, installed (unit plus labor); typical range of customer-reported jobs. US national rangeOctober 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).

  1. Search the business name or license number on the Contractors State License Board (CSLB) license lookup.
  2. Check that the status is active and the name matches the contract or truck.
  3. 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 Oak Park plumbers

We scored 805 Oak Park 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.

Read the full method: formula, sources and exclusions

CR Score factors and weights
FactorWeightComputed fromIn Oak Park data
Reputation35%Bayesian-adjusted Google star ratingMeasured
Credentials15%Active state license 0.6, bond 0.2, workers’ comp 0.2Not yet collected
Review volume10%log10(reviews + 1) against the list maximumMeasured
Recency10%Share of reviews from the last 12 monthsNot yet collected
Availability10%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%Google main category 1.0, business name 0.7, additional category 0.5Measured
Proximity5%1.0 when based in the city, falling to 0 at the trade’s radiusMeasured
Completeness5%Website, photos, description, hours, claimed profile (0.2 each)Measured

Plumbers in Oak Park: frequently asked questions

Who is the best plumber in Oak Park?

By CR Score, the highest-ranked plumber in Oak Park, CA is Happy Flushin Plumbing with a CR Score of 94/100. It has 5.0★ from 1,365 Google reviews. It is open 24/7. Dutton Plumbing, Cooling & Heating (#2) and Simi Valley Emergency Plumbing (#3) follow. We ranked 805 plumbers on 8 factors, last updated October 22, 2026.

How many plumbers are there in Oak Park?

ContractorsRanked ranks 805 plumbers serving Oak Park, CA. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.

Which plumbers in Oak Park are open 24/7?

409 ranked plumbers in Oak Park post 24/7 hours. The highest-ranked are Happy Flushin Plumbing (#1), Dutton Plumbing, Cooling & Heating (#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 Oak Park work on weekends?

640 of 805 ranked plumbers post Saturday hours and 517 post Sunday hours. The highest-ranked open Saturdays are Happy Flushin Plumbing (#1), Dutton Plumbing, Cooling & Heating (#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 Oak Park?

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 Oak Park. Prices were last checked October 2026. Get at least two written quotes before you hire.

What Google rating do Oak Park plumbers have?

The median Google rating among 805 rated plumbers in Oak Park is 4.9★, with a median of 18 reviews. Dutton Plumbing, Cooling & Heating has the most, 2,766 reviews, and ranks #2. 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 Oak Park

  1. October 2026: CR Scores recalculated for 805 plumbers serving Oak Park.
  2. October 2026: 9 duplicate listings merged.

More plumbers and Oak Park pages

Other trades in Oak Park