Boiler, hot water heating and steam fitting contractors in San Luis Obispo, CA

2 licenses with the C-4 classification list San Luis Obispo (San Luis Obispo County) as their address with the state, 2 of them active. Active licenses with nothing flagged come first.

• ✓Knecht'S Plumbing & Heating IncB · C-4 · C-10 · C-16 +3 · #373936 San Luis Obispo · San Luis Obispo County Active
• ✓Psn Plumbing IncC-4 · C-36 · #1159886 San Luis Obispo · San Luis Obispo County Active

Source: CSLB license file, Nov 8, 2026All trades in San Luis Obispo