Superior Window Works
Verified against CSLB on · View on CSLB
License details
- License number
- 855238
- Classifications
- License term on file
- March 1, 2005 – March 31, 2028
Business
- (925) 413 9235 (CSLB public record)
- 730 SAN JUAN CT, Concord, CA 94518Contra Costa County
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What to check next
Frequently asked questions
Is Superior Window Works licensed in California?
Yes. Superior Window Works holds an active California state contractor license (CSLB #855238), verified against the CSLB public record on August 4, 2026.
What is Superior Window Works's CSLB license number?
Superior Window Works's California contractor license number is 855238. 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 Superior Window Works licensed for?
Superior Window Works is classified under General Building (B), Glazing (C-17), and Siding and Decking (D-41) by the CSLB.
How do I verify Superior Window Works's license myself?
Look up license #855238 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 #855238 on CSLB
See an error in this record? Report incorrect information. Status reflects CSLB data as of the date shown above.