Dial 911 for emergency police, fire or medical service.
Village Police Coverage
The Village police protection services are provided by the Lake County Sheriff.
Most of Deer Park is in the Lake Zurich Fire Protection District, except for the far eastern part of the village, which belongs to the Long Grove Fire District. The extreme northwestern sector in Cuba Township belongs to the Barrington Fire District and Hillcrest Drive in Cook County belongs to the Palatine Rural Fire Protection District . All fire departments are well equipped.