Best plumbers in San Rafael, CA

The highest-scoring plumber in and near San Rafael is Fast Water Heater Company (score 88, 4.9 stars from 1,613 Google reviews). 14 companies meet the 5 Star standard within about 16 miles.

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

    Fast Water Heater Company

    4.9 · 1,613 Google reviewsRichmond, CA40 years in business

    Fast Water Heater Company installs, replaces, repairs, and maintains water heaters for residential and commercial properties across Washington, Oregon, Northern California, and Southern California. Its technicians wor…

    Financing availableEmergency service
    88SCORE
  2. 2

    Ace Plumbing & Rooter, Inc.

    4.9 · 1,200 Google reviewsSan Francisco, CA
    80SCORE
  3. 3

    Advanced Plumbing & Drain

    4.9 · 790 Google reviewsSan Francisco, CA
    79SCORE
  4. 4

    Fast Response Plumbing & Rooter

    4.9 · 717 Google reviewsSan Francisco, CA
    78SCORE
  5. 5

    Local Plumbing

    5.0 · 241 Google reviewsSausalito, CA
    78SCORE
  6. 6

    Burkell Plumbing Inc.

    4.9 · 480 Google reviewsSausalito, CA
    76SCORE
  7. 7

    1 Backflow Plumbing

    5.0 · 159 Google reviewsSan Francisco, CA
    76SCORE
  8. 8

    Hydroflow

    5.0 · 111 Google reviewsSan Francisco, CA
    74SCORE
  9. 9

    Honrath & Stacey Plumbing & Heating

    4.9 · 227 Google reviewsRichmond, CA
    73SCORE
  10. 10

    Isackson Plumbing

    5.0 · 115 Google reviewsSan Francisco, CA
    73SCORE
  11. 11

    Chosen Rooter & Plumbing Inc.

    4.8 · 370 Google reviewsSan Francisco, CA
    72SCORE
  12. 12

    Handyman Heroes

    4.8 · 288 Google reviewsSan Francisco, CA
    71SCORE
  13. 13

    Flow Masters Plumbing, Drain and Water Heater

    5.0 · 40 Google reviewsSan Francisco, CA
    70SCORE
  14. 14

    Albert Hall Plumbing, Inc.

    5.0 · 122 Google reviewsSan Francisco, CA
    60SCORE

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

Compare the top 10

Top plumbers in San Rafael by 5 Star Score
#CompanyScoreGoogle ratingReviewsYearsBased in
1Fast Water Heater Company884.91,61340Richmond
2Ace Plumbing & Rooter, Inc.804.91,200–San Francisco
3Advanced Plumbing & Drain794.9790–San Francisco
4Fast Response Plumbing & Rooter784.9717–San Francisco
5Local Plumbing785.0241–Sausalito
6Burkell Plumbing Inc.764.9480–Sausalito
71 Backflow Plumbing765.0159–San Francisco
8Hydroflow745.0111–San Francisco
9Honrath & Stacey Plumbing & Heating734.9227–Richmond
10Isackson Plumbing735.0115–San Francisco

Plumbers in San Rafael: quick answers

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

Fast Water Heater Company has the highest 5 Star Score among plumbers in and near San Rafael: 88 out of 100, with a 4.9 star Google rating from 1,613 reviews.

How many 5 Star plumbers serve San Rafael?

14 plumbers meet our standard within about 16 miles of San Rafael: at least a 4.5 star rating, 20 or more reviews and a score of 60 or higher. The top 14 have 6,473 Google reviews between them, averaging 4.93 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.