This compound located off of North US Highway 67 houses multiple departments and services of the city, including the recycling center and the health department. Open throughout the week, city residents are able to drop off recycled goods as well as speak to the health department regarding animal control or street department about potholes or street service.
Although listed under a Florissant ZIP code, the city of Black Jack stands as its own. After being established in 1970, Black Jack City Hall houses the city's powerhouses, including the city council meeting, TV station, mayoral office and police station.