Demkowski S J Construction Inc
Verified against CSLB on · View on CSLB
License details
- License number
- 553045
- Classifications
- License term on file
- January 6, 1989 – January 31, 2027
Business
- (408) 723 3399 (CSLB public record)
- 1808 JONATHAN AVENUE, San Jose, CA 95125Santa Clara County
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What to check next
Frequently asked questions
Is Demkowski S J Construction Inc licensed in California?
Yes. Demkowski S J Construction Inc holds an active California state contractor license (CSLB #553045), verified against the CSLB public record on June 17, 2026.
What is Demkowski S J Construction Inc's CSLB license number?
Demkowski S J Construction Inc's California contractor license number is 553045. 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 Demkowski S J Construction Inc licensed for?
Demkowski S J Construction Inc is classified under General Building (B) by the CSLB.
How do I verify Demkowski S J Construction Inc's license myself?
Look up license #553045 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 #553045 on CSLB
See an error in this record? Report incorrect information. Status reflects CSLB data as of the date shown above.