Best plumbers in Downey, CA

The highest-scoring plumber in and near Downey is American AC Heat Plumbing (score 90, 4.9 stars from 3,539 Google reviews). 76 companies meet the 5 Star standard within about 16 miles; the top 30 are ranked below.

Last updated Nov 1, 2026How we rank
  1. 1

    American AC Heat Plumbing

    4.9 · 3,539 Google reviewsHawthorne, CA45 years in business

    American AC Heat Plumbing provides heating, cooling, plumbing, indoor air quality, duct, and insulation services for Los Angeles, the South Bay, the San Fernando Valley, and surrounding Southern California communities…

    Financing availableEmergency service
    90SCORE
  2. 2

    Power Pro Plumbing Heating & Air

    4.8 · 2,606 Google reviewsGardena, CA24 years in business

    Power Pro Plumbing Heating & Air provides plumbing, drain, sewer, water heater, heating, air conditioning, and indoor air services across Los Angeles and Orange County. The company has served Southern California for 2…

    Free estimatesEmergency serviceFinancing available
    85SCORE
  3. 3

    Drain Right Services

    4.9 · 2,087 Google reviewsGardena, CA

    Drain Right Services provides plumbing, drain, sewer, and HVAC work for homes and businesses in Los Angeles and Orange County, including Gardena and Torrance. Its plumbing services include leak repair, drain cleaning,…

    Financing availableEmergency service
    82SCORE
  4. 4

    Happy Camper Heating, Plumbing, and AC Repair

    5.0 · 568 Google reviewsWhittier, CA

    Happy Camper Heating, Plumbing, and AC Repair serves Whittier homeowners with heating, cooling, and plumbing work. The family-owned company was built by Juan Zuniga and offers AC repair, maintenance, installation, and…

    Financing availableEmergency service
    82SCORE
  5. 5

    Western Rooter & Plumbing

    4.9 · 1,650 Google reviewsArcadia, CA

    Western Rooter & Plumbing is a family-owned plumbing and rooter company serving homes and businesses across Los Angeles County, the San Gabriel Valley, northern Orange County, and parts of San Bernardino County. The c…

    81SCORE
  6. 6

    Fast Water Heater Company

    4.9 · 1,586 Google reviewsGardena, CA
    81SCORE
  7. 7

    Downey Plumbing Heating & Air Conditioning

    4.8 · 579 Google reviewsDowney, CA96 years in business

    Downey Plumbing Heating & Air Conditioning provides plumbing, heating, cooling, sewer, and drain services for residential and commercial properties in Downey and surrounding Southern California communities. Operating…

    InsuredFamily-ownedEmergency serviceFinancing available
    81SCORE
  8. 8

    The Water Heater Warehouse

    4.9 · 1,391 Google reviewsFullerton, CA
    80SCORE
  9. 9

    Kahuna Comfort Plumbing Heating & Air

    4.9 · 1,195 Google reviewsAnaheim, CA
    80SCORE
  10. 10

    Mr. Rooter Plumbing of Long Beach

    4.9 · 1,192 Google reviewsLong Beach, CA
    80SCORE
  11. 11

    Good Guy Plumbing

    4.9 · 1,061 Google reviewsTorrance, CA
    80SCORE
  12. 12

    Honestee Plumbing

    5.0 · 339 Google reviewsFullerton, CA
    80SCORE
  13. 13

    Marvelous Plumbing

    5.0 · 335 Google reviewsBuena Park, CA
    80SCORE
  14. 14

    Service Champions Plumbing, Heating & AC

    4.8 · 8,134 Google reviewsBrea, CA
    79SCORE
  15. 15

    Absolute Airflow Air Conditioning, Heating and Plumbing

    4.8 · 4,620 Google reviewsWestminster, CA
    79SCORE
  16. 16

    SoCal Plumbing & Rooter Inc.

    5.0 · 294 Google reviewsBrea, CA
    79SCORE
  17. 17

    JW Plumbing, Heating and Air

    4.8 · 3,052 Google reviewsLos Angeles, CA
    78SCORE
  18. 18

    Mr. Rooter Plumbing of Orange County

    4.9 · 649 Google reviewsAnaheim, CA
    78SCORE
  19. 19

    Plumber XP

    5.0 · 306 Google reviewsLa Habra, CA
    78SCORE
  20. 20

    Roto-Rooter Plumbing & Water Cleanup

    4.9 · 518 Google reviewsFullerton, CA
    77SCORE
  21. 21

    John's Plumbing & Drain Services

    4.9 · 490 Google reviewsLos Angeles, CA
    77SCORE
  22. 22

    Plumbing Service Solutions

    5.0 · 218 Google reviewsHarbor City, CA
    77SCORE
  23. 23

    Monkey Wrench Plumbing, Heating, Air & Electric

    5.0 · 191 Google reviewsBrea, CA
    77SCORE
  24. 24

    24/7 Rooter Service

    5.0 · 172 Google reviewsLos Angeles, CA
     Owner verified
    77SCORE
  25. 25

    A-1 Total Service Plumbing

    4.8 · 1,575 Google reviewsLos Angeles, CA
    76SCORE
  26. 26

    Primo Plumbing & Heating

    4.9 · 401 Google reviewsSignal Hill, CA
    76SCORE
  27. 27

    Major League Plumbing

    4.9 · 372 Google reviewsGardena, CA
    76SCORE
  28. 28

    Graham Plumbing and Drain Cleaning, Inc.

    4.9 · 328 Google reviewsBrea, CA
    75SCORE
  29. 29

    The Rooter Company

    4.8 · 724 Google reviewsBrea, CA
    74SCORE
  30. 30

    Red Lilly Plumbing

    4.8 · 630 Google reviewsLos Angeles, CA
    74SCORE

We list only companies that clear our published bar, so this area is still filling in. As more plumbers near Downey qualify, they'll appear here automatically.

Compare the top 10

Top plumbers in Downey by 5 Star Score
#CompanyScoreGoogle ratingReviewsYearsBased in
1American AC Heat Plumbing904.93,53945Hawthorne
2Power Pro Plumbing Heating & Air854.82,60624Gardena
3Drain Right Services824.92,087–Gardena
4Happy Camper Heating, Plumbing, and AC Repair825.0568–Whittier
5Western Rooter & Plumbing814.91,650–Arcadia
6Fast Water Heater Company814.91,586–Gardena
7Downey Plumbing Heating & Air Conditioning814.857996Downey
8The Water Heater Warehouse804.91,391–Fullerton
9Kahuna Comfort Plumbing Heating & Air804.91,195–Anaheim
10Mr. Rooter Plumbing of Long Beach804.91,192–Long Beach

Plumbers in Downey: quick answers

Who is the highest-rated plumber in Downey, CA?

American AC Heat Plumbing has the highest 5 Star Score among plumbers in and near Downey: 90 out of 100, with a 4.9 star Google rating from 3,539 reviews.

How many 5 Star plumbers serve Downey?

76 plumbers meet our standard within about 16 miles of Downey: at least a 4.5 star rating, 20 or more reviews and a score of 60 or higher. The top 30 have 40,802 Google reviews between them, averaging 4.90 stars.

How are these plumbers ranked?

By 5 Star Score: rating quality adjusted for review count (45 points), review volume (25), review recency (15), years in business (10) and license verification (5). Businesses cannot pay to change their score.

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Ratings and review counts come from each company's public Google listing and are re-checked monthly. 5 Star Home Service Pros is independent; companies cannot pay for placement.