Overview
Preemption classification
Tier E — Light preemption
Rent control preemption. Property rights rhetoric but little affirmative preemption.
Governance
Statewide
Building and zoning code adoption is mandated at the state level.
Adopted building codes
Statewide; extensive NEC amendments
City-level IBC adoptions (3)
| City | IBC | Amendment notes |
|---|---|---|
| Boise | 2018 | |
| Meridian | 2018 | |
| Mountain Home | 2018 |
View building-code adoption for Idaho →
5 of 5 codes adopted (IBC, IRC, IECC, IFC, NEC)
Profiled counties
Cities
Showing 4 of 4
| City | Population | Code | Status | Issues |
|---|---|---|---|---|
| Boise | — | Boise City Code, Title 11 — Development Code (the "Boise Modern Zoning Code"). Current version effective July 1, 2025 (Ord. 25-25 / ZOA25-00003). Code is actively amended — current as of Ord. 2-26 (February 10, 2026). Prior zoning code (Legacy Zoning Code) applies to pre-2025 applications. · 5 districts | V1 Legacy | schema:v1-legacypriority:lowdata:gaps-present |
| Meridian | — | Meridian City Code Title 17 (Zoning) · 6 districts | V1 Legacy | schema:v1-legacypriority:lowdata:gaps-present |
| Mountain Home | — | Mountain Home City Code, Title 11 — Zoning and Development · 10 districts | V1 Legacy | schema:v1-legacypriority:lowdata:gaps-present |
| Nampa | — | Nampa Municipal Code, Title XIII (Zoning and Land Use Regulations) · 7 districts | V1 Legacy | schema:v1-legacypriority:lowdata:gaps-present |
Research status
Data quality
0%completeness4 not found