Bestopedia Rankings

Best General Contractors in Altadena, California

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

Last updated July 10, 2026

Our Top Pick

Halpin Brothers Inc

Trust Score 94/100. License standing CLEAR, bonded, workers’ comp current.

Verified

  1. Halpin Brothers Inc

    License standing CLEAR, bonded, workers’ comp current.

    Verified
    94 / 100 Trust Score

  2. Lockwood Gary

    License standing CLEAR, bonded, workers’ comp current.

    Verified
    94 / 100 Trust Score

  3. Action Duct Cleaning Company Inc

    License standing CLEAR, bonded, workers’ comp current.

    Verified
    94 / 100 Trust Score

  4. Rustic Construction Enterprises

    License standing CLEAR, bonded, workers’ comp current.

    Verified
    92 / 100 Trust Score

  5. Hedrick John W

    License standing CLEAR, bonded, workers’ comp current.

    Verified
    92 / 100 Trust Score

  6. Gaddes Derek Construction

    License standing CLEAR, bonded, workers’ comp current.

    Verified
    92 / 100 Trust Score

  7. Grueter Construction Corp

    License standing CLEAR, bonded, workers’ comp current.

    Verified
    91 / 100 Trust Score

  8. Green II Builders

    License standing CLEAR, bonded, workers’ comp current.

    Verified
    91 / 100 Trust Score

  9. Amiable Construction Company

    License standing CLEAR, bonded, workers’ comp current.

    Verified
    91 / 100 Trust Score

  10. Bertin Brothers Construction 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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