Bestopedia Rankings

Best General Contractors in Pittsburg, California

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

Last updated July 10, 2026

Our Top Pick

Siino Joseph S

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

Verified

  1. Siino Joseph S

    License standing CLEAR, bonded, workers’ comp current.

    Verified
    96 / 100 Trust Score

  2. Gayler Greg Construction Co

    License standing CLEAR, bonded, workers’ comp current.

    Verified
    96 / 100 Trust Score

  3. Performance Mechanical Inc

    License standing CLEAR, bonded, workers’ comp current.

    Verified
    95 / 100 Trust Score

  4. Mt Diablo Flooring Systems Inc

    License standing CLEAR, bonded, workers’ comp current.

    Verified
    94 / 100 Trust Score

  5. Stewart Heating & Air Inc

    License standing CLEAR, bonded, workers’ comp current.

    Verified
    93 / 100 Trust Score

  6. A L B Inc

    License standing CLEAR, bonded, workers’ comp current.

    Verified
    93 / 100 Trust Score

  7. Young Ted E & Son

    License standing CLEAR, bonded, workers’ comp current.

    Verified
    92 / 100 Trust Score

  8. Wilson Remodeling

    License standing CLEAR, bonded, workers’ comp current.

    Verified
    91 / 100 Trust Score

  9. Wagner S J

    License standing CLEAR, bonded, workers’ comp current.

    Verified
    91 / 100 Trust Score

  10. East County Glass & Window Inc

    License standing CLEAR, bonded, workers’ comp current.

    Verified
    90 / 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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