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Plumbers ChatGPT recommends in San Diego, CA

We asked ChatGPT 5 questions San Diego homeowners ask when a pipe leaks or a drain backs up, 3 times each, and recorded every business it named. Measured October 13, 2026.

AI answers analyzed
15
Named at least once
33
Named most often
Lefty’s Plumbing (6 of 15)

The ranking

Ordered by how many of the 15 answers named each one.

  1. 1Lefty’s Plumbing
    6 of 15avg #4.5
  2. 2All Star Plumbing
    6 of 15avg #4.7
  3. 3Roto-Rooter San Diego
    5 of 15avg #2.2
  4. 4Discount Plumbing San Diego
    4 of 15avg #4.0
  5. 5California Plumbing SD Inc.
    4 of 15avg #4.8
  6. 6American Plumbing Co.
    3 of 15avg #1.3
  7. 7Water Heaters Only, Inc.
    3 of 15avg #1.7
  8. 8Collins Pacific Plumbing, Inc.
    2 of 15avg #1.5
  9. 9PlumbSD
    2 of 15avg #1.5
  10. 10Payless Water Heaters
    2 of 15avg #1.5
  11. 11GBSD Plumbing
    2 of 15avg #2.0
  12. 12ASI Heating and Air
    2 of 15avg #2.5
  13. 13HomePro Plumbing and Drains
    2 of 15avg #2.5
  14. 14Bill Howe Plumbing
    2 of 15avg #3.0
  15. 15CSR Plumbing
    2 of 15avg #3.0
  16. 16My Neighbor’s Plumber
    2 of 15avg #4.0
  17. 17Trusted Water Systems
    2 of 15avg #4.5
  18. 18PIC Plumbing Services
    2 of 15avg #5.5
  19. 19BP Plumbing & Drains
    2 of 15avg #5.5
  20. 20Ascend Plumbing
    1 of 15avg #1.0
  21. 21Frankie’s Plumbing
    1 of 15avg #2.0
  22. 22Forthright Plumbing Pros, Inc.
    1 of 15avg #2.0
  23. 23Daniel’s Plumbing & Son
    1 of 15avg #2.0
  24. 24Colepepper Plumbing
    1 of 15avg #2.0
  25. 25Sandiego Plumbing Co
    1 of 15avg #2.0

8 more were named once or twice.

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