| Business | Phone |
| Cole County Assessor 210 Adams St # 1, Jefferson City 65101 | (573) 634-9135 |
| Cole County Collector-Revenue 311 E High St # 100, Jefferson City 65101 | (573) 634-9124 |
| County Auditor 311 E High St, Jefferson City 65101 | (573) 634-9122 |
| County Treasurer 301 E High St # 306, Jefferson City 65101 | (573) 634-9120 |