Licensed General Engineering (A) contractors in Guerneville, CA

The California Contractors State License Board (CSLB) lists 5 General Engineering (A) contractors in Guerneville, California. Each links to a full dossier with license status, insurance, bond, and enforcement — as of October 8, 2026.

5 contractors

1. Calstroy

   Guerneville, CA · CSLB #933697 · as of October 8, 2026
   Active · clear
2. Corey Goodin Excavation

   Guerneville, CA · CSLB #1081659 · as of October 8, 2026
   Active · clear
3. MBG General Engineering INC

   Guerneville, CA · CSLB #1094520 · as of October 8, 2026
   Active · clear
4. Sonoma Landworks

   Guerneville, CA · CSLB #522707 · as of October 8, 2026
   Active · clear
5. Von Renner Construction And Excavation INC

   Guerneville, CA · CSLB #899560 · as of October 8, 2026
   Active · clear

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Data sourced from the California Contractors State License Board (CSLB), current as of October 8, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.