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ContractorsRanked

Best Plumbers in Koreatown, CA (2026)

1,791 plumbers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank β†’

The short answer

  1. 1

    Best overall in Koreatown: Proview Plumbing & Rooter, CR Score 92/100; 5.0β˜… from 293 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Roto-Rooter Plumbing & Water Cleanup, posts 24/7 hours; ranked #2 of 1,791.

  3. 28

    Most-reviewed: American AC Heat Plumbing, 3,299 Google reviews at 4.9β˜…, the most of 1,791 ranked; ranked #28.

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

1,791 Koreatown plumbers are ranked here by CR Score, from 8 published factors. 949 are open 24/7, 1,481 open Saturdays and 1,188 open Sundays, based on posted hours. The median Google rating is 4.9β˜… across 1,791 rated businesses.

Top 10 plumbers in Koreatown at a glance

Top 10 plumbers in Koreatown at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Proview Plumbing & Rooter925.0β˜… (293)Arcadia, 3 mi away24/7Overall
2Roto-Rooter Plumbing & Water Cleanup924.8β˜… (940)Los Angeles, 4 mi away24/7Emergencies
3Roto-Rooter Plumbing & Water Cleanup924.9β˜… (682)Glendale, 7 mi away24/7β€”
4Monkey Wrench Plumbing, Heating, Air & Electric924.8β˜… (464)Los Angeles, 1 mi away24/7β€”
5Flood Brothers Plumbing924.8β˜… (1,036)Studio City, 8 mi away24/7β€”
6Roto-Rooter Plumbing & Water Cleanup924.9β˜… (556)Burbank, 7 mi away24/7β€”
7John's Plumbing & Drain Services914.9β˜… (383)Los Angeles, 5 mi away24/7β€”
8Merry Plumbing915.0β˜… (652)San Marino, 12 mi away24/7β€”
9Roto-Rooter Plumbing & Water Cleanup914.8β˜… (1,128)Alhambra, 9 mi away24/7β€”
10Roto-Rooter Plumbing & Water Cleanup914.8β˜… (860)Inglewood, 7 mi away24/7β€”

The 1,791 best plumbers in Koreatown, 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 Merry Plumbing

    Based in San Marino, 12 mi away

    91/100CR Score

    Ranked #8 because of its Google rating and availability: 5.0β˜… from 652 Google reviews, open 24/7.

    • 5.0β˜… from 652 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1465 San Marino Ave, San Marino, CA 91108
    View profile for Merry Plumbing(626) 414-5583

  18. #18 Red Hat Plumbing

    Based in Sherman Oaks, 10 mi away

    91/100CR Score

    Ranked #18 because of its Google rating and availability: 4.9β˜… from 479 Google reviews, open 24/7.

    • 4.9β˜… from 479 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    13547 Ventura Blvd Unit 607, Sherman Oaks, CA 91423
    View profile for Red Hat Plumbing(213) 722-4105

  20. #20 Power Plumbing

    Based in North Hollywood, 8 mi away

    90/100CR Score

    Ranked #20 because of its Google rating and availability: 4.8β˜… from 551 Google reviews, open 24/7.

    • 4.8β˜… from 551 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    10659 Magnolia Blvd, North Hollywood, CA 91601
    View profile for Power Plumbing(818) 479-3524

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 1,791 ranked plumbers here; the rest are on their profiles.

plumbers in Koreatown, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Richards Rooter and Plumbing905.0β˜… (118)5 mi
27PDS Plumbing and Air905.0β˜… (471)15 mi
28American AC Heat Plumbing904.9β˜… (3,299)10 mi
29Cali-Rooter & Plumbing Inc904.9β˜… (133)5 mi
30Monkey Wrench Plumbing, Heating, Air & Electric904.8β˜… (425)9 mi
31Monkey Wrench Plumbing, Heating, Air & Electric904.9β˜… (364)11 mi
32A-1 Total Service Plumbing904.9β˜… (1,494)9 mi
33Happy Flushin Plumbing895.0β˜… (1,365)24 mi
34R.G.Plumbing895.0β˜… (123)8 mi
35Elio's Plumbing895.0β˜… (52)3 mi
36GR Plumbing894.8β˜… (102)3 mi
37Cisco's Plumbing Inc895.0β˜… (463)19 mi
38Drain Guard Plumbing And Rooter894.7β˜… (421)8 mi
39Oscar's Plumbing & Rooter Service894.8β˜… (232)8 mi
40Rooter Hero Plumbing & Air San Fernando Valley894.9β˜… (1,192)22 mi
41CAP Plumbing Inc.895.0β˜… (79)7 mi
42Roto-Rooter Plumbing & Water Cleanup894.9β˜… (572)18 mi
43Monkey Wrench Plumbing, Heating, Air & Electric894.9β˜… (293)14 mi
44Papa's Plumbing Inc.894.8β˜… (118)5 mi
45Rooter Guy Plumbing895.0β˜… (86)8 mi
46Roto-Rooter Plumbing & Water Cleanup894.8β˜… (2,036)22 mi
47Team Rooter Plumbing894.7β˜… (665)12 mi
48Twin Pros Plumbing And Rooter Inc.895.0β˜… (43)3 mi
49Plumbing Marina Del Rey895.0β˜… (104)9 mi
50Velvet Plumbing894.9β˜… (52)3 mi

Also serving Koreatown

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 Koreatown
BusinessGoogle ratingDistance
@DRAINCLEANLAIn Koreatown
ANGEL PLUMBINGGGIn Koreatown
Flagship Plumbing and Drain CleaningIn Koreatown
G-PLUMBING(지 ν”ŒλŸ¬λ°)3.5β˜… (2)In Koreatown
Helpful Plumbers HollywoodIn Koreatown
Helpful Plumbers KoreatownIn Koreatown
HVG RooterIn Koreatown
HYGIENE PLUMBING & WATER HEATERIn Koreatown
Jaimes General Services1.0β˜… (1)In Koreatown
Jose Express Plumbing ServiceIn Koreatown
Kingarooter & Plumbing Inc.5.0β˜… (1)In Koreatown
Major League Plumbing4.9β˜… (264)12 mi
Manuel's Plumbing5.0β˜… (1)In Koreatown
McMahan PlumbingIn Koreatown
Mike Diamond Plumbing, HVAC & Electrical4.6β˜… (156)4 mi
Niagara Pure Water TreatmentIn Koreatown
Socal Sewer & Plumbing Contractors Inc5.0β˜… (1)In Koreatown
The Sewer Company4.9β˜… (215)11 mi
Valencia's Plumbing4.9β˜… (120)8 mi
WiseWay Plumbing4.9β˜… (522)17 mi

How much do plumbers cost in Koreatown?

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

How much do plumbers cost in Koreatown?
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 Koreatown plumbers

We scored 1,791 Koreatown 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 Koreatown 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 Koreatown: frequently asked questions

Who is the best plumber in Koreatown?

By CR Score, the highest-ranked plumber in Koreatown, CA is Proview Plumbing & Rooter with a CR Score of 92/100. It has 5.0β˜… from 293 Google reviews. It is open 24/7. Roto-Rooter Plumbing & Water Cleanup (#2) and Roto-Rooter Plumbing & Water Cleanup (#3) follow. We ranked 1,791 plumbers on 8 factors, last updated October 22, 2026.

How many plumbers are there in Koreatown?

ContractorsRanked ranks 1,791 plumbers serving Koreatown, CA. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.

Which plumbers in Koreatown are open 24/7?

949 ranked plumbers in Koreatown post 24/7 hours. The highest-ranked are Proview Plumbing & Rooter (#1), Roto-Rooter Plumbing & Water Cleanup (#2) and Roto-Rooter Plumbing & Water Cleanup (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which plumbers in Koreatown work on weekends?

1,481 of 1,791 ranked plumbers post Saturday hours and 1,188 post Sunday hours. The highest-ranked open Saturdays are Proview Plumbing & Rooter (#1), Roto-Rooter Plumbing & Water Cleanup (#2) and Roto-Rooter Plumbing & Water Cleanup (#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 Koreatown?

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

What Google rating do Koreatown plumbers have?

The median Google rating among 1,791 rated plumbers in Koreatown is 4.9β˜…, with a median of 19 reviews. American AC Heat Plumbing has the most, 3,299 reviews, and ranks #28. 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 Koreatown

  1. October 2026: CR Scores recalculated for 1,791 plumbers serving Koreatown.
  2. October 2026: 24 duplicate listings merged.

More plumbers and Koreatown pages

Other trades in Koreatown