Licensed Plumbing (C-36) contractors in Penn Valley, CA

The California Contractors State License Board (CSLB) lists 4 Plumbing (C-36) contractors in Penn Valley, California. Each links to a full dossier with license status, insurance, bond, and enforcement — as of October 8, 2026.

4 contractors

1. Banducci's Plumbing

   Penn Valley, CA · CSLB #970129 · as of October 8, 2026
   Active · clear
2. J T R Plumbing

   Penn Valley, CA · CSLB #848303 · as of October 8, 2026
   Active · clear
3. Bert MC Whinney Plumbing

   Penn Valley, CA · CSLB #557631 · as of October 8, 2026
   Active · clear
4. Walter Adams Plumbing INC

   Penn Valley, CA · CSLB #1109229 · 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.