ADU Laws in Minnesota (2026)
Minnesota state ADU law details, key provisions, preemption status, and recent legislative changes for accessory dwelling units.
Law Name
State ADU Law
Preempts Local Ordinances
No — local rules may be stricter
Has State Law
Yes
Key Provisions
Minnesota has no statewide ADU preemption law as of 2026
ADU regulation is left entirely to local municipalities under Minnesota Municipal Code
Minneapolis eliminated single-family-only zoning in 2020 via the Minneapolis 2040 comprehensive plan — allows up to 3 units on all residential lots
St. Paul also allows ADUs via local ordinance under its own zoning code
The Minnesota Legislature has considered housing reform bills in recent sessions but none have passed as statewide ADU preemption
Cities and towns retain full authority over zoning and ADU regulations in Minnesota
Legislative History
2020 — Minneapolis 2040 Comprehensive Plan
Minneapolis (local, not state law) became the first major US city to eliminate single-family-only zoning. Up to 3 units allowed by-right on all residential lots citywide.
Official Sources
Source: Minnesota State ADU Law. Last verified April 5, 2026. View source