De Koven Masonry, C-29 Masonry Contractor in Castro Valley, CA
De Koven Masonry operating as a sole owner holds an active California contractor license (CSLB #661388), valid through Apr 30, 2027. First issued in 1992, the license has been on the CSLB roster for 34 years. It carries a single CSLB classification: C-29 — Masonry Contractor. Records show an active surety bond on file with Merchants Bonding Company (mutual) and a previously-filed workers' compensation policy with State Compensation Insurance Fund that is no longer active. The business is based in Castro Valley, in Alameda County, California.
- License Number
- 661388
- Issued
- Dec 17, 1992
- Status
- CLEAR
- Expires
- Apr 30, 2027
- Entity
- Sole Owner
- Surety
- Merchants Bonding Company (mutual)
- Bond Number
- 101576810
- Effective
- Sep 13, 2025
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- State Compensation Insurance Fund
- Policy Number
- 9128439
- Effective
- Mar 26, 2015
- Expires
- Mar 26, 2027
- Cancelled
- Apr 28, 2026
This contractor has a compliance issue in its public CSLB record:
- Workers' comp cancelled
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is De Koven Masonry licensed in California?
Yes. De Koven Masonry holds California Contractors State License Board license number 661388, which is active and in good standing. The license was first issued on December 17, 1992. It is valid through April 30, 2027.
What does De Koven Masonry specialize in?
De Koven Masonry is licensed for one CSLB classification: C-29 Masonry Contractor.
Where is De Koven Masonry headquartered?
De Koven Masonry is headquartered at 5359 San Simeon Place, Castro Valley, CA 94552, in Alameda County, California.
Does De Koven Masonry have an active surety bond on file with CSLB?
Yes. De Koven Masonry has an active California contractor surety bond filed with Merchants Bonding Company (mutual).
Does De Koven Masonry carry workers' compensation coverage?
De Koven Masonry has a previously-filed workers' compensation policy with State Compensation Insurance Fund that is no longer active.
How do I verify De Koven Masonry's contractor license?
You can verify De Koven Masonry's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=661388.
- License issuedDec 17, 1992
- WC coverage startsMar 26, 2015
- Bond activeSep 13, 2025
- WC cancelledApr 28, 2026
- WC expiresMar 26, 2027
- License expiresApr 30, 2027
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