Stronghold Construction
Verified against CSLB on · View on CSLB
License details
- License number
- 543774
- Classifications
- License term on file
- October 7, 1988 – August 31, 2027
Business
- (909) 297 4072 (CSLB public record)
- 2488 PROSPECT DR, Upland, CA 91784San Bernardino County
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What to check next
Frequently asked questions
Is Stronghold Construction licensed in California?
Yes. Stronghold Construction holds an active California state contractor license (CSLB #543774), verified against the CSLB public record on June 17, 2026.
What is Stronghold Construction's CSLB license number?
Stronghold Construction's California contractor license number is 543774. 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 Stronghold Construction licensed for?
Stronghold Construction is classified under General Building (B) by the CSLB.
How do I verify Stronghold Construction's license myself?
Look up license #543774 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 #543774 on CSLB
See an error in this record? Report incorrect information. Status reflects CSLB data as of the date shown above.