Licensed Masonry (C-29) contractors in Castro Valley, CA

The California Contractors State License Board (CSLB) lists 4 Masonry (C-29) contractors in Castro Valley, California. Each links to a full dossier with license status, insurance, bond, and enforcement — as of June 27, 2026.

4 contractors

1. E & S Masonry Corporation

   Castro Valley, CA · CSLB #562066 · as of June 27, 2026
   Active · clear
2. Mark Stanchina Masonry

   Castro Valley, CA · CSLB #847102 · as of June 27, 2026
   Active · clear
3. D Montgomery Masonry

   Castro Valley, CA · CSLB #863799 · as of June 27, 2026
   Active · clear
4. De Koven Masonry

   Castro Valley, CA · CSLB #661388 · as of June 27, 2026
   Suspended · workers' comp

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Data sourced from the California Contractors State License Board (CSLB), current as of June 27, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.