| Entity | Emergency | Phone | Website |
| Cottage Grove Fire Deparment | 911 | (608) 839-4343 | https://www.vi.cottagegrove.wi.gov/617/Cottage-Grove-Fire-Department |
| Cottage Grove Garbage & Recycling | | (608) 839-5813 | https://www.vi.cottagegrove.wi.gov/155/Garbage-Recycling |
| Cottage Grove Police Department | 911 | (608) 839-4562 | https://www.vi.cottagegrove.wi.gov/152/Police |
| DeerGrove EMS Ambulance | 911 | (608) 839-5658 | http://www.deergroveems.com |
| Village of Cottage Grove | | (608) 839-4704 | https://www.vi.cottagegrove.wi.gov |
| Waste Management, Inc. | | (888) 960-0008 | |