Terra Firma Geotechnical
Verified against CSLB on · View on CSLB
License details
- License number
- 639633
- Classifications
- License term on file
- March 14, 1992 – March 31, 2028
Business
- (510) 301 2582 (CSLB public record)
- 477 MCCORMICK ST, San Leandro, CA 94577Alameda County
Are you Terra Firma Geotechnical? Claim this listing to manage it.
Claim this listingRequest a free quote
Tell us about your project and we'll connect you with licensed, verified California contractors.
Other General Engineering contractors in San Leandro
ST Francis Electric LLC
A · San Leandro, CA
Verified June 17, 2026 · Bonded
Vertical Concrete Inc
A · San Leandro, CA
Verified June 17, 2026 · Bonded
Loza & Sons Inc
A · San Leandro, CA
Verified June 17, 2026 · Bonded
Cal-Oak Constructors Inc
A · San Leandro, CA
Verified June 17, 2026 · Bonded
JJ Design Build
A · San Leandro, CA
Verified June 17, 2026 · Bonded
Total Underground Construction
A · San Leandro, CA
Verified June 17, 2026 · Bonded
What to check next
Frequently asked questions
Is Terra Firma Geotechnical licensed in California?
Yes. Terra Firma Geotechnical holds an active California state contractor license (CSLB #639633), verified against the CSLB public record on June 17, 2026.
What is Terra Firma Geotechnical's CSLB license number?
Terra Firma Geotechnical's California contractor license number is 639633. Look that number up with the CSLB "Check a License" tool to confirm its current status against the public record yourself.
What kind of work is Terra Firma Geotechnical licensed for?
Terra Firma Geotechnical is classified under General Engineering (A) and General Building (B) by the CSLB.
How do I verify Terra Firma Geotechnical's license myself?
Look up license #639633 with the CSLB "Check a License" tool and compare the status, bond, and workers' compensation details against what's shown on this page. This page reflects the CSLB public record as of June 17, 2026.
Verify it yourself: How to verify a California contractor license · Look up #639633 on CSLB
See an error in this record? Report incorrect information. Status reflects CSLB data as of the date shown above.