Bestopedia Rankings

Best Plumbers in Duarte, 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

Our Top Pick

Gr Plumbing & Heating

Trust Score 100/100 — CLEAR license standing, bonded, workers’ comp current.

VERIFIED

  1. Gr Plumbing & Heating

    CLEAR license standing, bonded, workers’ comp current.

    VERIFIED
    100 / 100 Trust Score

  2. Winegard Energy Inc

    CLEAR license standing, bonded, workers’ comp current.

    VERIFIED
    100 / 100 Trust Score

  3. Dun - Well Plumbing & Drains Inc

    CLEAR license standing, bonded, workers’ comp current.

    VERIFIED
    100 / 100 Trust Score

  4. Miller Justin Plumbing

    CLEAR license standing, bonded, workers’ comp current.

    VERIFIED
    95 / 100 Trust Score

  5. Stars Restoration Enterprises Inc

    CLEAR license standing, bonded, workers’ comp current.

    VERIFIED
    94 / 100 Trust Score

  6. C K Plumbing Inc

    CLEAR license standing, bonded, workers’ comp current.

    VERIFIED
    93 / 100 Trust Score

  7. Priority Plumbing Service Inc

    CLEAR license standing, bonded, workers’ comp current.

    VERIFIED
    87 / 100 Trust Score

  8. Contract Plumbing Co

    CLEAR license standing, bonded, workers’ comp current.

    VERIFIED
    82 / 100 Trust Score

  9. Smart Choice Rooter Inc

    CLEAR license standing, bonded, workers’ comp current.

    VERIFIED
    82 / 100 Trust Score

  10. Drain Flow Solutions & Plumbing

    CLEAR license standing, bonded, workers’ comp current.

    VERIFIED
    80 / 100 Trust Score

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

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