Regulatory framework
The code baseline for Clark County.
2019 Residential Code of Ohio (RCO), OAC 4101:8, for residential work; 2024 Ohio Building Code (OBC), based on the 2021 IBC, for commercial work. Referenced standards include the 2023 NEC, 2024 Ohio Mechanical Code, 2024 Ohio Plumbing Code, and applicable fire and energy codes.
Inspection lane
Call the Building Department at 937-521-2160 by 3:30 PM to schedule the next working day's inspection, subject to staff availability. The online portal displays inspection activity and results; typical inspections include lot-line, footer, foundation, slab, rough trades, framing, insulation, finals, and occupancy-related approvals.