Licensed Solar (C-46) contractors in Concord, CA

The California Contractors State License Board (CSLB) lists 2 Solar (C-46) contractors in Concord, California. Each links to a full dossier with license status, insurance, bond, and enforcement — as of October 6, 2026.

2 contractors

1. Eco Solar

   Concord, CA · CSLB #899476 · as of October 6, 2026
   Active · clear
2. Frederick Von Stieff

   Concord, CA · CSLB #1079483 · as of October 6, 2026
   Active · clear

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Data sourced from the California Contractors State License Board (CSLB), current as of October 6, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.