Clarkston's infrastructure is integrated into the broader DeKalb County and Metro Atlanta networks.
Electricity is provided primarily by Georgia Power, while natural gas is deregulated and purchased through various state marketers. Water and sewer services are managed by the DeKalb County Department of Watershed Management. The city boasts excellent broadband and cellular connectivity, with fiber-optic internet available through major providers like AT&T and Comcast, reflecting its status within a major metropolitan region.