✓Interlock Plumbing
Antioch · Contra Costa County
Active license, no suspensions or flags in the state's file.
Disciplinary history (citations and accusations) is on the state's license page, linked below.
- License
- #1149890
- Status
- Active
- Classes
- C-4 Boiler, hot water heating and steam fitting contractor
C-36 Plumbing contractor
- Business type
- Corporation
- Issued
- Feb 3, 2026
- Expires
- Feb 29, 2028
From the CSLB license file as of Nov 6, 2026. See this license on CSLB.ca.gov for its disciplinary history and to confirm before you hire.
Other boiler, hot water heating and steam fitting contractors in Antioch
Active licenses with no suspensions or flags on file. See all of them.