Best plumbers in San Mateo, CA

The highest-scoring plumber in and near San Mateo is Discount Plumbing Rooter Services (score 90, 4.9 stars from 3,301 Google reviews). 42 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

    Discount Plumbing Rooter Services

    4.9 · 3,301 Google reviewsDaly City, CA34 years in business

    Discount Plumbing Rooter Services is a licensed and insured plumbing company founded in 1992 and serving the San Francisco Bay Area Peninsula. Its service area includes Daly City, Pacifica, San Bruno, Millbrae, Burlin…

    Emergency service
    90SCORE
  2. 2

    Caccia Home Services

    4.9 · 2,172 Google reviewsBurlingame, CA47 years in business

    Caccia Home Services provides plumbing and electrical work for homes and commercial properties in the Bay Area. Family owned since 1979, the company handles water heaters, drains and sewers, water treatment, gas lines…

    Financing availableEmergency service
    89SCORE
  3. 3

    Magic Plumbing Heating & Cooling

    4.9 · 1,935 Google reviewsSan Francisco, CA46 years in business

    Magic Plumbing Heating & Cooling serves San Francisco and the Bay Area with plumbing, heating, air conditioning, drain, sewer, and indoor air quality work. The company says it has been solving these problems since 198…

    Financing available
    89SCORE
  4. 4

    Heise's Plumbing

    4.9 · 1,827 Google reviewsSan Francisco, CA72 years in business

    Heise's Plumbing provides plumbing, electrical, appliance, sewer, and drain services for homes and businesses across San Francisco and the Peninsula. The family-owned company says it has served the area since 1954 and…

    Emergency service
    89SCORE
  5. 5

    George Salet Plumbing, Inc.

    4.9 · 590 Google reviewsBrisbane, CA47 years in business

    George Salet Plumbing, Inc. provides residential and commercial plumbing services in San Francisco and communities along the Peninsula. Family-owned since 1979, the company handles plumbing repairs, toilets, sinks, fa…

    85SCORE
  6. 6

    SplashFix Plumbing

    5.0 · 442 Google reviewsSouth San Francisco, CA
    81SCORE
  7. 7

    Ace Plumbing & Rooter, Inc.

    4.9 · 1,200 Google reviewsSan Francisco, CA
    80SCORE
  8. 8

    Cabrillo Plumbing, Heating & Air

    4.9 · 1,195 Google reviewsSan Francisco, CA
    80SCORE
  9. 9

    Flow Masters Plumbing, Drain and Water Heater

    5.0 · 716 Google reviewsDaly City, CA
    80SCORE
  10. 10

    Whistle Plumbing

    5.0 · 392 Google reviewsDaly City, CA
    78SCORE
  11. 11

    Discount Plumbing San Francisco

    4.9 · 529 Google reviewsSan Francisco, CA
    77SCORE
  12. 12

    Roto-Rooter Plumbing & Water Cleanup

    4.9 · 458 Google reviewsSan Francisco, CA
    77SCORE
  13. 13

    Nigel Mulgrew Plumbing

    5.0 · 229 Google reviewsPacifica, CA
    77SCORE
  14. 14

    Water Heater Specialists

    4.9 · 415 Google reviewsFoster City, CA
    76SCORE
  15. 15

    Hydro Plumbing & Rooter

    5.0 · 136 Google reviewsSan Francisco, CA
    76SCORE
  16. 16

    Water Heaters Only, Inc

    4.9 · 583 Google reviewsHayward, CA
    75SCORE
  17. 17

    Fuse HVAC, Electrical and Plumbing

    4.9 · 565 Google reviewsSan Mateo, CA
    74SCORE
  18. 18

    Water Heater Specialists

    4.9 · 311 Google reviewsHayward, CA
    74SCORE
  19. 19

    Arch Plumbing Inc.

    4.9 · 308 Google reviewsSan Francisco, CA
    74SCORE
  20. 20

    Daves Plumbing & Drain Services

    5.0 · 151 Google reviewsNewark, CA
    74SCORE
  21. 21

    Mr. Rooter Plumbing of The Oakland-Berkeley Area

    4.9 · 1,424 Google reviewsOakland, CA
    73SCORE
  22. 22

    Genteel Plumbers

    4.8 · 476 Google reviewsSan Francisco, CA
    73SCORE
  23. 23

    24/7 Rooter & Plumbing

    4.7 · 1,042 Google reviewsSan Francisco, CA
    71SCORE
  24. 24

    Discover Plumbing and Rooter

    4.9 · 175 Google reviewsSan Francisco, CA
    71SCORE
  25. 25

    Lutz Plumbing Inc

    4.9 · 133 Google reviewsSan Francisco, CA
    71SCORE
  26. 26

    Works Plumbing Repair & Drain Cleaning

    4.8 · 655 Google reviewsPacifica, CA
    70SCORE
  27. 27

    Express Plumbing & Sewer Services

    4.9 · 133 Google reviewsSan Mateo, CA
    70SCORE
  28. 28

    Sugar Bear Home Services

    4.9 · 393 Google reviewsSouth San Francisco, CA
    69SCORE
  29. 29

    Steven Bailey Plumbing & Rooter

    5.0 · 82 Google reviewsDaly City, CA
    69SCORE
  30. 30

    Five Star Plumbing & Rooter

    5.0 · 56 Google reviewsSan Francisco, CA
    69SCORE

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

Compare the top 10

Top plumbers in San Mateo by 5 Star Score
#CompanyScoreGoogle ratingReviewsYearsBased in
1Discount Plumbing Rooter Services904.93,30134Daly City
2Caccia Home Services894.92,17247Burlingame
3Magic Plumbing Heating & Cooling894.91,93546San Francisco
4Heise's Plumbing894.91,82772San Francisco
5George Salet Plumbing, Inc.854.959047Brisbane
6SplashFix Plumbing815.0442–South San Francisco
7Ace Plumbing & Rooter, Inc.804.91,200–San Francisco
8Cabrillo Plumbing, Heating & Air804.91,195–San Francisco
9Flow Masters Plumbing, Drain and Water Heater805.0716–Daly City
10Whistle Plumbing785.0392–Daly City

Plumbers in San Mateo: quick answers

Who is the highest-rated plumber in San Mateo, CA?

Discount Plumbing Rooter Services has the highest 5 Star Score among plumbers in and near San Mateo: 90 out of 100, with a 4.9 star Google rating from 3,301 reviews.

How many 5 Star plumbers serve San Mateo?

42 plumbers meet our standard within about 16 miles of San Mateo: at least a 4.5 star rating, 20 or more reviews and a score of 60 or higher. The top 30 have 22,024 Google reviews between them, averaging 4.91 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.