you asked:
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.
Sterling Environmental Corporation
San Leandro, CA · WC ✓ · 6 mi away
Proof for Sterling Environmental Corporation
- License
- CSLB 537909
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; ASB Asbestos Certification; C2 Insulation and Acoustical; C22 Asbestos Abatement
- Expires
- Aug 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- San Leandro, CA · serves California
- Phone
- (510) 638-2800
- Listing
- Built from public records. Not claimed yet, so call them directly.
Stomper Company Inc
Hayward, CA · WC ✓ · 6 mi away
Proof for Stomper Company Inc
- License
- CSLB 313376
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; ASB Asbestos Certification; C21 Building Moving/Demolition; C22 Asbestos Abatement; HAZ Hazardous Substance Removal
- Expires
- Aug 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Hayward, CA · serves California
- Phone
- (510) 574-0570
- Listing
- Built from public records. Not claimed yet, so call them directly.
Suarez & Munoz Construction Inc
Hayward, CA · WC ✓ · 6 mi away
Proof for Suarez & Munoz Construction Inc
- License
- CSLB 873996
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building; C8 Concrete; C27 Landscaping
- Expires
- Mar 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Hayward, CA · serves California
- Phone
- (510) 782-6065
- Listing
- Built from public records. Not claimed yet, so call them directly.
Sustainable Group Inc
Moraga, CA · WC ✓ · 9 mi away
Proof for Sustainable Group Inc
- License
- CSLB 966993
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; HAZ Hazardous Substance Removal
- Expires
- Oct 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Moraga, CA · serves California
- Phone
- (925) 899-9721
- Listing
- Built from public records. Not claimed yet, so call them directly.
Sut's Superior Underground Tank Service Inc
San Ramon, CA · WC ✓ · 6 mi away
Proof for Sut's Superior Underground Tank Service Inc
- License
- CSLB 482356
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building; C21 Building Moving/Demolition; C27 Landscaping; HAZ Hazardous Substance Removal
- Expires
- Apr 30, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- San Ramon, CA · serves California
- Phone
- (925) 551-7887
- Listing
- Built from public records. Not claimed yet, so call them directly.
Swh, a Joint Venture
Alameda, CA · WC exempt · 10 mi away
Proof for Swh, a Joint Venture
- License
- CSLB 959024
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering
- Expires
- Mar 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Alameda, CA · serves California
- Phone
- (510) 748-1870
- Listing
- Built from public records. Not claimed yet, so call them directly.
Swh a JV
Alameda, CA · WC exempt · 10 mi away
Proof for Swh a JV
- License
- CSLB 1113323
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering
- Expires
- Nov 30, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Alameda, CA · serves California
- Phone
- (510) 748-1870
- Listing
- Built from public records. Not claimed yet, so call them directly.
Tcg Electrical Contractor Inc
Oakland, CA · WC ✓ · 9 mi away
Proof for Tcg Electrical Contractor Inc
- License
- CSLB 1120404
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; C10 Electrical
- Expires
- May 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Oakland, CA · serves California
- Phone
- (510) 753-0733
- Listing
- Built from public records. Not claimed yet, so call them directly.
Terra Firma Geotechnical
San Leandro, CA · WC exempt · 6 mi away
Proof for Terra Firma Geotechnical
- License
- CSLB 639633
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building
- Expires
- Mar 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- San Leandro, CA · serves California
- Phone
- (510) 301-2582
- Listing
- Built from public records. Not claimed yet, so call them directly.
Tezeno Joseph Jr
San Leandro, CA · WC exempt · 6 mi away
Proof for Tezeno Joseph Jr
- License
- CSLB 515623
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building
- Expires
- Aug 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- San Leandro, CA · serves California
- Phone
- (510) 919-8239
- Listing
- Built from public records. Not claimed yet, so call them directly.
The Traffic Guys LLC
Hayward, CA · WC ✓ · 5 mi away
Proof for The Traffic Guys LLC
- License
- CSLB 1044156
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C31 Construction Zone Traffic Control
- Expires
- Sep 30, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Hayward, CA · serves California
- Phone
- (510) 256-5800
- Listing
- Built from public records. Not claimed yet, so call them directly.
Timeless Builders Inc
Dublin, CA · WC ✓ · 9 mi away
Proof for Timeless Builders Inc
- License
- CSLB 1150471
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building
- Expires
- Feb 29, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Dublin, CA · serves California
- Phone
- (510) 755-0859
- Listing
- Built from public records. Not claimed yet, so call them directly.
Titan Infrastructure LLC
Dublin, CA · WC exempt · 9 mi away
Proof for Titan Infrastructure LLC
- License
- CSLB 1129356
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering
- Expires
- Feb 28, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Dublin, CA · serves California
- Phone
- (408) 802-9336
- Listing
- Built from public records. Not claimed yet, so call them directly.
Titus Mrf Services
Danville, CA · WC ✓ · 9 mi away
Proof for Titus Mrf Services
- License
- CSLB 872945
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering
- Expires
- Feb 29, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Danville, CA · serves California
- Phone
- (909) 357-3156
- Listing
- Built from public records. Not claimed yet, so call them directly.
Top Line Engineers Inc
Hayward, CA · WC ✓ · 6 mi away
Proof for Top Line Engineers Inc
- License
- CSLB 1000389
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building; C2 Insulation and Acoustical; C33 Painting and Decorating
- Expires
- Jan 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Hayward, CA · serves California
- Phone
- (510) 304-7752
- Listing
- Built from public records. Not claimed yet, so call them directly.
Total Underground Construction
San Leandro, CA · WC ✓ · 6 mi away
Proof for Total Underground Construction
- License
- CSLB 1094194
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering
- Expires
- Jul 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- San Leandro, CA · serves California
- Phone
- (415) 350-3363
- Listing
- Built from public records. Not claimed yet, so call them directly.
Two Bricks Design Build
San Ramon, CA · WC ✓ · 6 mi away
Proof for Two Bricks Design Build
- License
- CSLB 1038359
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building; C15 Flooring and Floor Covering
- Expires
- Apr 30, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- San Ramon, CA · serves California
- Phone
- (925) 785-0706
- Listing
- Built from public records. Not claimed yet, so call them directly.
Underwater Resources Inc
San Leandro, CA · WC ✓ · 5 mi away
Proof for Underwater Resources Inc
- License
- CSLB 639975
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering
- Expires
- Mar 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- San Leandro, CA · serves California
- Phone
- (510) 957-5097
- Listing
- Built from public records. Not claimed yet, so call them directly.
Underwater Resources Inc
San Leandro, CA · 6 mi away
Proof for Underwater Resources Inc
- SAM.gov registration
- US-GSA-SAM QDVDEGG1NJG4
- Issuer
- US-GSA-SAM
- Status
- Active
- Class
- Corporation registered in SAM.gov
- Expires
- Jul 14, 2027
- Checked
- Oct 23, 2026
- Where
- San Leandro, CA · serves California
- Listing
- Built from public records. Not claimed yet, so call them directly.
United Underground and Overland Engineering Solutions Inc
Hayward, CA · WC ✓ · 5 mi away
Proof for United Underground and Overland Engineering Solutions Inc
- License
- CSLB 1042662
- 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
- Hayward, CA · serves California
- Phone
- (408) 718-4723
- Listing
- Built from public records. Not claimed yet, so call them directly.
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