Public CSLB records

Stanchina Mark Masonry, C-29 Masonry Contractor in Castro Valley, CA

License #847102·Sole Owner·Castro Valley, Alameda County
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Summary

Stanchina Mark Masonry operating as a sole owner holds an active California contractor license (CSLB #847102), valid through Sep 30, 2026. First issued in 2004, the license has been on the CSLB roster for 22 years. It carries a single CSLB classification: C-29 — Masonry Contractor. Records show an active surety bond on file with Atlantic Specialty Insurance Company and an exempt workers' compensation status (no employees on payroll). The business is based in Castro Valley, in Alameda County, California.

Business Information
Address
18486 Redwood Road
Castro Valley, CA 94546
License Details & Classifications
License Number
847102
Issued
Sep 18, 2004
Status
CLEAR
Expires
Sep 30, 2026
Entity
Sole Owner
Classifications
Financial & Insurance Coverage
Contractor Bond
Surety
Atlantic Specialty Insurance Company
Bond Number
800232021
Effective
Mar 20, 2026
Status
Active
Workers' Compensation
Coverage
Exempt
Carrier
Policy Number
Effective
Sep 16, 2024
Expires
Review

This contractor warrants a closer look before contracting:

  • Workers' comp listed as exempt
License StatusActive
Contractor BondOn file
Workers' CompensationActive

An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this

Frequently asked questions
Is Stanchina Mark Masonry licensed in California?

Yes. Stanchina Mark Masonry holds California Contractors State License Board license number 847102, which is active and in good standing. The license was first issued on September 18, 2004. It is valid through September 30, 2026.

What does Stanchina Mark Masonry specialize in?

Stanchina Mark Masonry is licensed for one CSLB classification: C-29 Masonry Contractor.

Where is Stanchina Mark Masonry headquartered?

Stanchina Mark Masonry is headquartered at 18486 Redwood Road, Castro Valley, CA 94546, in Alameda County, California.

Does Stanchina Mark Masonry have an active surety bond on file with CSLB?

Yes. Stanchina Mark Masonry has an active California contractor surety bond filed with Atlantic Specialty Insurance Company.

Does Stanchina Mark Masonry carry workers' compensation coverage?

Stanchina Mark Masonry reports an exempt workers' compensation status, meaning the business has no employees on payroll.

How do I verify Stanchina Mark Masonry's contractor license?

You can verify Stanchina Mark Masonry's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=847102.

Activity Timeline
  1. License issuedSep 18, 2004
  2. WC coverage startsSep 16, 2024
  3. Bond activeMar 20, 2026
  4. License expiresSep 30, 2026
Other contractors in Alameda County
California lien & payment resources

Working a California job with Stanchina Mark Masonry, or chasing an unpaid invoice? These free tools track your mechanics lien deadlines and rights under California Civil Code §§8200–8848.

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