Bestopedia Rankings

Best General Contractors in Glendora, California

Ranked by the Bestopedia Trust Score, computed from CSLB license, bond, and workers’ compensation records.

Last updated July 10, 2026

Our Top Pick

Seidner Construction Co

Trust Score 97/100. License standing CLEAR, bonded, workers’ comp current.

Verified

  1. Seidner Construction Co

    License standing CLEAR, bonded, workers’ comp current.

    Verified
    97 / 100 Trust Score

  2. Pine Bark Construction

    License standing CLEAR, bonded, workers’ comp current.

    Verified
    97 / 100 Trust Score

  3. Collett Construction Co

    License standing CLEAR, bonded, workers’ comp current.

    Verified
    96 / 100 Trust Score

  4. Lamb & Sons Construction Co

    License standing CLEAR, bonded, workers’ comp current.

    Verified
    96 / 100 Trust Score

  5. Crestwood Corporation

    License standing CLEAR, bonded, workers’ comp current.

    Verified
    95 / 100 Trust Score

  6. Romart Development

    License standing CLEAR, bonded, workers’ comp current.

    Verified
    94 / 100 Trust Score

  7. Pioneer Construction Company

    License standing CLEAR, bonded, workers’ comp current.

    Verified
    94 / 100 Trust Score

  8. Russo Construction Company

    License standing CLEAR, bonded, workers’ comp current.

    Verified
    94 / 100 Trust Score

  9. D A R Construction

    License standing CLEAR, bonded, workers’ comp current.

    Verified
    94 / 100 Trust Score

  10. Niles Charles H Construction

    License standing CLEAR, bonded, workers’ comp current.

    Verified
    94 / 100 Trust Score

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

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

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