Bestopedia Rankings

Best Plumbers in Copperopolis, 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

Big 'c' Construction

Trust Score 96/100 — CLEAR license standing, bonded, workers’ comp current.

VERIFIED

  1. Big 'c' Construction

    CLEAR license standing, bonded, workers’ comp current.

    VERIFIED
    96 / 100 Trust Score

  2. Canyon Plumbing Company

    CLEAR license standing, bonded, workers’ comp current.

    VERIFIED
    96 / 100 Trust Score

  3. 49er Rooter and Drain Service Inc

    CLEAR license standing, bonded, workers’ comp current.

    VERIFIED
    96 / 100 Trust Score

  4. Contreras Plumbing A Partnership

    CLEAR license standing, bonded, workers’ comp current.

    VERIFIED
    82 / 100 Trust Score

  5. Contreras Plumbing LLC

    CLEAR license standing, bonded, workers’ comp current.

    VERIFIED
    81 / 100 Trust Score

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

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