| Business | Phone |
| County Justice Court 220 S Lassen St # 2, Susanville 96130 | (530) 251-8205 |
| Lassen County Superior Court 220 S Lassen St # 6, Susanville 96130 | (530) 251-8228 |
| Lassen County Muni Court Small 220 S Lassen St # 2, Susanville 96130 | (530) 251-8206 |