De Koven Masonry
Verified against CSLB on · View on CSLB
License details
- License number
- 661388
- Classifications
- License term on file
- December 17, 1992 – April 30, 2027
Business
- (510) 381 2342 (CSLB public record)
- 5359 SAN SIMEON PLACE, Castro Valley, CA 94552Alameda County
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Frequently asked questions
Is De Koven Masonry licensed in California?
Yes. De Koven Masonry holds an active California state contractor license (CSLB #661388), verified against the CSLB public record on June 17, 2026.
What is De Koven Masonry's CSLB license number?
De Koven Masonry's California contractor license number is 661388. 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 De Koven Masonry licensed for?
De Koven Masonry is classified under Masonry (C-29) by the CSLB.
How do I verify De Koven Masonry's license myself?
Look up license #661388 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 #661388 on CSLB
See an error in this record? Report incorrect information. Status reflects CSLB data as of the date shown above.