| Business | Phone |
| Cottage Grove Twp Office 4058 County Rd N, Cottage Grove 53527 | (608) 839-5021 |
| Village Treasurer 221 E Cottage Grove Rd, Cottage Grove 53527 | (608) 839-4704 |
| Village Maintenance 300 S Main St, Cottage Grove 53527 | (608) 839-5813 |
| Township Maintenance 4091 County Rd N, Cottage Grove 53527 | (608) 839-4767 |
| Firemans Park Village Office 220 S Grove St, Cottage Grove 53527 | (608) 839-8904 |