| Business | Phone |
| Quincy Assessor 706 Maine St 213, Quincy 62301 | (217) 228-4505 |
| Quincy City Comptroller 730 Maine St 105, Quincy 62301 | (217) 228-4517 |
| Quincy City Treasurer 730 Maine St 113, Quincy 62301 | (217) 228-4575 |
| Us Internal Revenue Svc 3701 E Lake Ctr, Quincy 62305 | (217) 224-8208 |