Badge verification
Four Corners Service
Active
- Business
- Four Corners Service
- Location
- Sonoma, CA
- Checked
- 2026-10-31
- Issued by
- Smog Guide
- Smog station license
- TC 100412
Why each badge was earned
- Verified Smog StationListed because this station holds a smog check license on the state license file.
- BAR Licensed 2026Smog check station license TC 100412 is on the state license file.
- STAR Certified 2026The state station locator lists this station as STAR certified.