Bestopedia Rankings

Best Roofers in Glendora, 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. Dowd Industries Corporation

    CLEAR license standing, bonded, workers’ comp current.

    VERIFIED
    100 / 100 Trust Score

  2. De Lorenzo's Guaranteed Roofing

    CLEAR license standing, bonded, workers’ comp current.

    VERIFIED
    100 / 100 Trust Score

  3. Maximum Coverage Roofing

    CLEAR license standing, bonded, workers’ comp current.

    VERIFIED
    100 / 100 Trust Score

  4. Advanced Roofing and Sons Inc

    CLEAR license standing, bonded, workers’ comp current.

    VERIFIED
    100 / 100 Trust Score

  5. Rain Dance Roofing

    CLEAR license standing, bonded, workers’ comp current.

    VERIFIED
    100 / 100 Trust Score

  6. Young S D Roofing

    CLEAR license standing, bonded, workers’ comp current.

    VERIFIED
    100 / 100 Trust Score

  7. V I P Roofing

    CLEAR license standing, bonded, workers’ comp current.

    VERIFIED
    100 / 100 Trust Score

  8. Storm Tight Roofing Inc

    CLEAR license standing, bonded, workers’ comp current.

    VERIFIED
    100 / 100 Trust Score

  9. Gardenball General Construction Company

    CLEAR license standing, bonded, workers’ comp current.

    VERIFIED
    88 / 100 Trust Score

  10. Reader's Roofing

    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.