Licensed Plumbing (C-36) contractors in San Anselmo, CA

The California Contractors State License Board (CSLB) lists 5 Plumbing (C-36) contractors in San Anselmo, California. Each links to a full dossier with license status, insurance, bond, and enforcement — as of October 8, 2026.

5 contractors

1. Grier Argall Plumbing INC

   San Anselmo, CA · CSLB #736901 · as of October 8, 2026
   Active · clear
2. Ian Dunne Plumbing

   San Anselmo, CA · CSLB #1048540 · as of October 8, 2026
   Active · clear
3. JBK Mechanical INC

   San Anselmo, CA · CSLB #448914 · as of October 8, 2026
   Active · clear
4. Mason Plumbing INC

   San Anselmo, CA · CSLB #817803 · as of October 8, 2026
   Active · clear
5. Wilson's Plumbing

   San Anselmo, CA · CSLB #623217 · as of October 8, 2026
   Active · clear

See all Plumbing (C-36) contractors in California →

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.