| Business | Phone |
| Polk County Assessor 111 Court Ave 195, Des Moines 50309 | (515) 286-3014 |
| Polk County Auditor 111 Court Ave 230, Des Moines 50309 | (515) 286-3076 |
| Polk County Treasurer 111 Court Ave 140, Des Moines 50309 | (515) 286-3035 |
| Polk County Treasurer-Tax Div 1111 E Court Ave, Des Moines 50319 | (515) 286-3060 |