Bestopedia Rankings

Best Plumbers in Claremont, 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. Complete Plumbing and Rooter

    CLEAR license standing, bonded, workers’ comp current.

    VERIFIED
    99 / 100 Trust Score

  2. Hayden's Services Inc

    CLEAR license standing, bonded, workers’ comp current.

    VERIFIED
    96 / 100 Trust Score

  3. Morelli John Plbg

    CLEAR license standing, bonded, workers’ comp current.

    VERIFIED
    96 / 100 Trust Score

  4. Pompa Thomas Plumbing

    CLEAR license standing, bonded, workers’ comp current.

    VERIFIED
    96 / 100 Trust Score

  5. Living Waters Backflow

    CLEAR license standing, bonded, workers’ comp current.

    VERIFIED
    90 / 100 Trust Score

  6. New Power Contracting for Building Mechanicals

    CLEAR license standing, bonded, workers’ comp current.

    VERIFIED
    84 / 100 Trust Score

  7. Infinity Backflow & Plumbing Service

    CLEAR license standing, bonded, workers’ comp current.

    VERIFIED
    77 / 100 Trust Score

  8. Prudent Backflow Solutions

    CLEAR license standing, bonded, workers’ comp current.

    VERIFIED
    77 / 100 Trust Score

  9. Rev'd Up Plumbing

    CLEAR license standing, bonded, workers’ comp current.

    VERIFIED
    76 / 100 Trust Score

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

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