Bestopedia Rankings

Best Plumbers in American Canyon, California

Ranked by the Bestopedia Trust Score, drawn from verified CSLB license, bond, and workers’-comp records. Rankings are earned — never for sale.

Last updated July 8, 2026

  1. Dowdle & Sons Mechanical Inc

    CLEAR license standing, bonded, workers’ comp current.

    VERIFIED
    100 / 100 Trust Score

  2. Plumbing Contractors

    CLEAR license standing, bonded, workers’ comp current.

    VERIFIED
    100 / 100 Trust Score

  3. A+ Waterworks Inc

    CLEAR license standing, bonded, workers’ comp current.

    VERIFIED
    100 / 100 Trust Score

  4. I G Enterprises

    CLEAR license standing, bonded, workers’ comp current.

    VERIFIED
    96 / 100 Trust Score

  5. Johnson Bill Plumbing Co

    CLEAR license standing, bonded, workers’ comp current.

    VERIFIED
    95 / 100 Trust Score

  6. Kearns Gregory L Plumbing

    CLEAR license standing, bonded, workers’ comp not current.

    LISTED
    88 / 100 Trust Score

  7. Jr's Plumbing & Drain

    CLEAR license standing, bonded, workers’ comp current.

    VERIFIED
    88 / 100 Trust Score

  8. Clayton Plumbing Services

    CLEAR license standing, bond not current, workers’ comp current.

    LISTED
    81 / 100 Trust Score

noun /best-oh-PEE-dee-uh/

a curated ranking of the best in any category, based on independent review.