Regulatory framework
The code baseline for Nez Perce County.
The department states that Building Services ensures compliance with the 2018 International Building Code and enforces adopted building-code regulations. The reviewed 2026 page does not identify a later edition.
Inspection lane
Contact Planning and Building Services at 208-799-3197 for county requirements and inspection coordination. Mechanical permits are county-issued; electrical and plumbing permits/inspections are handled by the State of Idaho, and septic permits by Public Health Idaho North Central District at 208-799-3100. The county publishes 2026 application deadline dates on its applications page.