The Essex County Civic Centre, located at 360 Fairview Avenue, Essex, became home to the County Administration offices in October of 1975. 

The administrative offices for Essex County Council Services, Corporate Services, Engineering, Human Resources, Planning, Emergency Management Co-ordination, Emergency Medical Services (Land Ambulance), Community Services, and the Essex County Library are all located in the Civic Centre. Essex County Council Chambers are also located on the second floor, as well as a number of Committee Rooms, which are utilized by the owners and tenants of the building and other community organizations.

Administrative offices for other public sector organizations are also located at the Essex County Civic Centre, such as the Essex Region Conservation Authority,Windsor-Essex County Health Unit, Essex County Federation of Agriculture, Essex-Windsor Solid Waste Authority, the Media Centre, and Student Transportation Services.

The operation of the building is under the direction of the Building Management Committee and is governed by policies established by agreement amongst the four owners.