Yk Mason & Sons Inc
Verified against CSLB on · View on CSLB
License details
- License number
- 1001324
- Classifications
- B · General BuildingD-39 · Scaffolding
- License term on file
- February 17, 2015 – May 31, 2027
Business
- (415) 467 1788 (CSLB public record)
- P O BOX 34246, San Francisco, CA 94134San Francisco County
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What to check next
Frequently asked questions
Is Yk Mason & Sons Inc licensed in California?
Yes. Yk Mason & Sons Inc holds an active California state contractor license (CSLB #1001324), verified against the CSLB public record on August 4, 2026.
What is Yk Mason & Sons Inc's CSLB license number?
Yk Mason & Sons Inc's California contractor license number is 1001324. 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 Yk Mason & Sons Inc licensed for?
Yk Mason & Sons Inc is classified under General Building (B) and Scaffolding (D-39) by the CSLB.
How do I verify Yk Mason & Sons Inc's license myself?
Look up license #1001324 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 #1001324 on CSLB
See an error in this record? Report incorrect information. Status reflects CSLB data as of the date shown above.