Licensed Plumbing (C-36) contractors in Los Osos, CA

The California Contractors State License Board (CSLB) lists 6 Plumbing (C-36) contractors in Los Osos, California. Each links to a full dossier with license status, insurance, bond, and enforcement — as of June 27, 2026.

6 contractors

1. Garrett Ball Plumbing

   Los Osos, CA · CSLB #1036835 · as of June 27, 2026
   Active · clear
2. James Patrick Corcoran

   Los Osos, CA · CSLB #669990 · as of June 27, 2026
   Active · clear
3. Bryan Hanft Plumbing

   Los Osos, CA · CSLB #993732 · as of June 27, 2026
   Active · clear
4. Newline Plumbing Company

   Los Osos, CA · CSLB #857085 · as of June 27, 2026
   Active · clear
5. Shamrock Plumbing

   Los Osos, CA · CSLB #860285 · as of June 27, 2026
   Active · clear
6. Mark Wallace Plumbing

   Los Osos, CA · CSLB #661873 · as of June 27, 2026
   Active · clear

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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.