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NAICS 237990 · Other Heavy and Civil Engineering Construction

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General engineering contractors in Castro Valley, CA

17 general engineering contractors in Castro Valley, CA; 1,880 within 30 miles. Every listing checked against the issuer's record, in the published order.

  1. Howard's Earth Boring Service Inc

    ActiveA General Engineering

    San Ramon, CA · WC ✓ · 6 mi away

    Proof for Howard's Earth Boring Service Inc
    License
    CSLB 861244
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering
    Expires
    Jul 31, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    San Ramon, CA · serves California
    Phone
    (925) 766-0065
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  2. J M V Construction Inc

    ActiveA General Engineering+1

    Oakland, CA · WC ✓ · 9 mi away

    Proof for J M V Construction Inc
    License
    CSLB 997489
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; B General Building
    Expires
    Oct 31, 2026
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Oakland, CA · serves California
    Phone
    (510) 385-4978
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  3. J N G Pipeline Construction Inc

    ActiveC34 Pipeline

    Hayward, CA · WC ✓ · 5 mi away

    Proof for J N G Pipeline Construction Inc
    License
    CSLB 1042380
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    C34 Pipeline
    Expires
    Jan 31, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Hayward, CA · serves California
    Phone
    (510) 932-7503
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  4. Jh Home Transformations

    ActiveA General Engineering+1

    San Ramon, CA · WC exempt · 6 mi away

    Proof for Jh Home Transformations
    License
    CSLB 893365
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; B General Building
    Expires
    Mar 31, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Exempt: no employees
    Where
    San Ramon, CA · serves California
    Phone
    (408) 206-5329
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  5. Jj Construction & Design Inc

    ActiveA General Engineering+1

    San Leandro, CA · WC ✓ · 6 mi away

    Proof for Jj Construction & Design Inc
    License
    CSLB 945727
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; B General Building
    Expires
    Jul 31, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    San Leandro, CA · serves California
    Phone
    (415) 558-0338
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  6. Jj Design Build

    ActiveA General Engineering+1

    San Leandro, CA · WC exempt · 6 mi away

    Proof for Jj Design Build
    License
    CSLB 1093060
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; B General Building
    Expires
    Jun 30, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Exempt: no employees
    Where
    San Leandro, CA · serves California
    Phone
    (415) 558-0338
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  7. Jlb Constructors Inc

    ActiveA General Engineering+1

    Hayward, CA · WC exempt · 5 mi away

    Proof for Jlb Constructors Inc
    License
    CSLB 1121836
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; B General Building
    Expires
    Jun 30, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Exempt: no employees
    Where
    Hayward, CA · serves California
    Phone
    (408) 461-1069
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  8. Joe a Callaway

    ActiveA General Engineering+2

    Danville, CA · WC exempt · 9 mi away

    Proof for Joe a Callaway
    License
    CSLB 555222
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; C10 Electrical; HAZ Hazardous Substance Removal
    Expires
    May 31, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Exempt: no employees
    Where
    Danville, CA · serves California
    Phone
    (925) 413-0523
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  9. King Crane Service

    ActiveA General Engineering

    San Leandro, CA · WC ✓ · 6 mi away

    Proof for King Crane Service
    License
    CSLB 921288
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering
    Expires
    Aug 31, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    San Leandro, CA · serves California
    Phone
    (408) 452-1537
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  10. Kr Surface Industries Inc

    ActiveCorporation registered in SAM.gov

    Hayward, CA · 5 mi away

    Proof for Kr Surface Industries Inc
    SAM.gov registration
    US-GSA-SAM DUBUFH5HSBJ5
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Aug 31, 2027
    Checked
    Oct 23, 2026
    Where
    Hayward, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record
  11. Laloos Construction Inc

    ActiveA General Engineering+4

    Oakland, CA · WC ✓ · 7 mi away

    Proof for Laloos Construction Inc
    License
    CSLB 1135396
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; B General Building; C8 Concrete; C21 Building Moving/Demolition; C36 Plumbing
    Expires
    Apr 30, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Oakland, CA · serves California
    Phone
    (510) 220-6936
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  12. Larrieta Bro's Construction

    ActiveA General Engineering

    Oakland, CA · WC ✓ · 9 mi away

    Proof for Larrieta Bro's Construction
    License
    CSLB 1126020
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering
    Expires
    Sep 30, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Oakland, CA · serves California
    Phone
    (707) 775-9191
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  13. Legion LLC

    ActiveA General Engineering

    San Ramon, CA · WC ✓ · 6 mi away

    Proof for Legion LLC
    License
    CSLB 1061592
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering
    Expires
    Jan 31, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    San Ramon, CA · serves California
    Phone
    (925) 222-5656
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  14. M D F Pipeline General Engineering Contractors Inc

    ActiveA General Engineering+1

    Dublin, CA · WC exempt · 9 mi away

    Proof for M D F Pipeline General Engineering Contractors Inc
    License
    CSLB 480122
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; C16 Fire Protection
    Expires
    Nov 30, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Exempt: no employees
    Where
    Dublin, CA · serves California
    Phone
    (510) 427-7577
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  15. M G Remediation Inc

    ActiveA General Engineering+5

    San Leandro, CA · WC ✓ · 6 mi away

    Proof for M G Remediation Inc
    License
    CSLB 839709
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; ASB Asbestos Certification; B General Building; C21 Building Moving/Demolition; C22 Asbestos Abatement; HAZ Hazardous Substance Removal
    Expires
    Oct 31, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    San Leandro, CA · serves California
    Phone
    (510) 293-3009
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  16. M T C Xcavating LLC

    ActiveA General Engineering

    Hayward, CA · WC ✓ · 5 mi away

    Proof for M T C Xcavating LLC
    License
    CSLB 1122719
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering
    Expires
    Jun 30, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Hayward, CA · serves California
    Phone
    (510) 372-5622
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  17. Magdave Associates

    ActiveA General Engineering+3

    Oakland, CA · WC exempt · 9 mi away

    Proof for Magdave Associates
    License
    CSLB 680277
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; ASB Asbestos Certification; B General Building; HAZ Hazardous Substance Removal
    Expires
    Nov 30, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Exempt: no employees
    Where
    Oakland, CA · serves California
    Phone
    (510) 633-7998
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  18. Mahogany and Oak Consultancy Limited Liability CO

    ActiveCorporation registered in SAM.gov

    Oakland, CA · 10 mi away

    Proof for Mahogany and Oak Consultancy Limited Liability CO
    SAM.gov registration
    US-GSA-SAM X7FUWTS3KVL7
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Feb 19, 2027
    Checked
    Oct 23, 2026
    Where
    Oakland, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record
  19. Mar Con Co

    ActiveA General Engineering+4

    Oakland, CA · WC ✓ · 9 mi away

    Proof for Mar Con Co
    License
    CSLB 829636
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; B General Building; C6 Cabinet, Millwork and Finish Carpentry; C9 Drywall; C15 Flooring and Floor Covering
    Expires
    Mar 31, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Oakland, CA · serves California
    Phone
    (510) 639-1914
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  20. Martin & Martin Construction

    ActiveA General Engineering

    Danville, CA · WC exempt · 9 mi away

    Proof for Martin & Martin Construction
    License
    CSLB 418913
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering
    Expires
    Jan 31, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Exempt: no employees
    Where
    Danville, CA · serves California
    Phone
    (408) 569-3725
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record

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