| Division | Contact | Phone | Fax |
|---|---|---|---|
| Main Office | [email protected] | (530) 934-6530 | (530) 934-6533 |
| Airports | [email protected] | (530) 934-6530 | (530) 934-6533 |
| Engineering & Surveying | [email protected] or [email protected] | (530) 934-6530 | (530) 934-6533 |
| Flood Control | [email protected] | (530) 934-6530 | (530) 934-6533 |
| Road & Bridge Maintenance | [email protected] | (530) 934-6530 | (530) 934-6533 |
| Solid Waste | [email protected] | (530) 624-0286 | (530) 934-6533 |
