JB Infrastructure
Verified against CSLB on · View on CSLB
License details
- License number
- 1048640
- Classifications
- A · General EngineeringHAZ · Hazardous Substance Removal Certification
- License term on file
- January 7, 2019 – January 31, 2027
Business
- (925) 817 9875 (CSLB public record)
- P O BOX 1055, Concord, CA 94522Contra Costa County
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What to check next
Frequently asked questions
Is JB Infrastructure licensed in California?
Yes. JB Infrastructure holds an active California state contractor license (CSLB #1048640), verified against the CSLB public record on August 4, 2026.
What is JB Infrastructure's CSLB license number?
JB Infrastructure's California contractor license number is 1048640. 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 JB Infrastructure licensed for?
JB Infrastructure is classified under General Engineering (A) and Hazardous Substance Removal Certification (HAZ) by the CSLB.
How do I verify JB Infrastructure's license myself?
Look up license #1048640 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 August 4, 2026.
Verify it yourself: How to verify a California contractor license · Look up #1048640 on CSLB
See an error in this record? Report incorrect information. Status reflects CSLB data as of the date shown above.