✓Johnston Sign Company Inc
Petaluma · Sonoma 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
- #609593
- Status
- Active
- Classes
- C-45 Sign contractor
- Business type
- Corporation
- Issued
- Jan 16, 1991
- Expires
- Oct 31, 2028
From the CSLB license file as of Nov 8, 2026. See this license on CSLB.ca.gov for its disciplinary history and to confirm before you hire.
Other sign contractors in Petaluma
Active licenses with no suspensions or flags on file. See all of them.