Si Wen Xu
Verified against CSLB on · View on CSLB
License details
- License number
- 1139108
- Classifications
- License term on file
- June 18, 2025 – June 30, 2027
Business
- (626) 503 0581 (CSLB public record)
- 3115 1/2 ISABEL AVENUE, Rosemead, CA 91770Los Angeles County
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What to check next
Frequently asked questions
Is Si Wen Xu licensed in California?
Yes. Si Wen Xu holds an active California state contractor license (CSLB #1139108), verified against the CSLB public record on June 17, 2026.
What is Si Wen Xu's CSLB license number?
Si Wen Xu's California contractor license number is 1139108. 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 Si Wen Xu licensed for?
Si Wen Xu is classified under General Building (B) by the CSLB.
How do I verify Si Wen Xu's license myself?
Look up license #1139108 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 #1139108 on CSLB
See an error in this record? Report incorrect information. Status reflects CSLB data as of the date shown above.