| Business | Phone |
| County Treasurer 1050 Monterey St # 200, San Luis Obispo 93408 | (805) 781-5842 |
| San Luis Obispo Auditor 1055 Monterey St # D220, San Luis Obispo 93401 | (805) 781-5040 |
| San Luis Obispo Auditor County Government Ctr # 300, San Luis Obispo 93408 | (805) 781-5041 |
| San Luis Obispo Cnty Assessor 1050 Monterey St # 100, San Luis Obispo 93408 | (805) 781-5643 |
| San Luis Obispo Tax Collector County Government Ctr # 203, San Luis Obispo 93408 | (805) 781-5830 |