| Business | Phone |
| Siskiyou County Assessor 311 4th St # 108, Yreka 96097 | (530) 842-8036 |
| Siskiyou County Auditor 311 4th St, Yreka 96097 | (530) 842-8060 |
| Siskiyou County Tax Collector 311 4th St # 104, Yreka 96097 | (530) 842-8340 |
| Siskiyou County Treasurer 311 4th St # 104, Yreka 96097 | (530) 842-8347 |