Bestopedia Rankings

Best Plumbers in Royal Oaks, 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. Poe's Plumbing and Backflow

    CLEAR license standing, bonded, workers’ comp current.

    VERIFIED
    91 / 100 Trust Score

  2. Mario Bros Plumbing Inc

    CLEAR license standing, bonded, workers’ comp current.

    VERIFIED
    82 / 100 Trust Score

  3. Escobar Custom Plumbing Inc

    CLEAR license standing, bonded, workers’ comp current.

    VERIFIED
    82 / 100 Trust Score

  4. De La Roca Plumbing

    CLEAR license standing, bonded, workers’ comp current.

    VERIFIED
    77 / 100 Trust Score

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

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