Regulatory framework
The code baseline for McCook County.
McCook County administers its compiled zoning regulations, subdivision ordinance, single-family dwelling standards, and project-specific ordinances; no currently adopted county structural IBC or IRC edition was verified. For covered new nonresidential construction after July 1, 2026 where no local code is adopted, South Dakota law designates the 2024 International Building Code as the state minimum, subject to statutory exclusions; state electrical and plumbing rules remain separate.