Permitting is highly decentralized, with incorporated cities and villages managing their own building departments and zoning. The Summit County Department of Community and Economic Development primarily handles building permits for unincorporated townships. Certain areas may be subject to additional review by the Summit County Engineer for stormwater management or the Summit County Public Health department for septic and well systems.
How this fits with the state
The state authority here is Ohio Construction Industry Licensing Board; local building departments. The county file does not replace that — it adds the permit office, local overlays, and the actual filing path.