Bestopedia Rankings

Best Plumbers in Altadena, 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

Hickey Plumbing

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

VERIFIED

  1. Hickey Plumbing

    CLEAR license standing, bonded, workers’ comp current.

    VERIFIED
    100 / 100 Trust Score

  2. Vargas Sal T Plumbing Corporation

    CLEAR license standing, bonded, workers’ comp current.

    VERIFIED
    100 / 100 Trust Score

  3. Daniels H P Construction

    CLEAR license standing, bonded, workers’ comp current.

    VERIFIED
    99 / 100 Trust Score

  4. Osmart General Construction Inc

    CLEAR license standing, bonded, workers’ comp current.

    VERIFIED
    98 / 100 Trust Score

  5. Rustic Construction Enterprises

    CLEAR license standing, bonded, workers’ comp current.

    VERIFIED
    96 / 100 Trust Score

  6. U S Plumbing

    CLEAR license standing, bonded, workers’ comp current.

    VERIFIED
    96 / 100 Trust Score

  7. Altadena Plumbing & Drain Service

    CLEAR license standing, bonded, workers’ comp current.

    VERIFIED
    94 / 100 Trust Score

  8. Simco Mechanical Inc

    CLEAR license standing, bonded, workers’ comp current.

    VERIFIED
    94 / 100 Trust Score

  9. Right - on Plumbing

    CLEAR license standing, bonded, workers’ comp current.

    VERIFIED
    93 / 100 Trust Score

  10. Payne Gerald Plumbing & Construction

    CLEAR license standing, bonded, workers’ comp current.

    VERIFIED
    92 / 100 Trust Score

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

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