Bestopedia Rankings

Best Plumbers in Quartz Hill, 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. Johnson Electrical Contracting

    CLEAR license standing, bonded, workers’ comp current.

    VERIFIED
    100 / 100 Trust Score

  2. Valley Water Heaters and Plumbing

    CLEAR license standing, bonded, workers’ comp current.

    VERIFIED
    100 / 100 Trust Score

  3. M & N Mechanical

    CLEAR license standing, bonded, workers’ comp current.

    VERIFIED
    94 / 100 Trust Score

  4. Patriot Plumbing

    CLEAR license standing, bonded, workers’ comp current.

    VERIFIED
    94 / 100 Trust Score

  5. T W S Plumbing Inc

    CLEAR license standing, bonded, workers’ comp current.

    VERIFIED
    91 / 100 Trust Score

  6. Premier West Plumbing Inc

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

    LISTED
    63 / 100 Trust Score

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

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