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ADU Rules by City

17 Twin Cities metro cities, 17 different rulebooks

Some cities make it easy. Others require a discretionary permit, or don't allow ADUs at all yet. Find your city below to see exactly where it stands.

17 cities covered Last verified: August 2026
Scores and summaries below are compiled from official city code and city planning department sources for general reference - they are not legal advice. Zoning rules change often, and some cities' ADU status is actively in flux. Always confirm current requirements with the applicable city's planning or building department before designing or applying for permits.

Minneapolis

9/10
1,000 sq ft*
Max ADU size
Not required
Owner-occupancy
View rules →

St. Paul

9/10
800 sq ft*
Max ADU size
Not required
Owner-occupancy
View rules →

Bloomington

8/10
1,000 sq ft*
Max ADU size
Not required
Owner-occupancy
View rules →

Edina

7/10
1,000 sq ft*
Max ADU size
Not required*
Owner-occupancy
View rules →

Burnsville

6/10
50% of home*
Max ADU size
Required
Owner-occupancy
View rules →

Plymouth

6/10
700 sq ft*
Max ADU size
Required
Owner-occupancy
View rules →

St. Louis Park

6/10
40% of home*
Max ADU size
Likely required*
Owner-occupancy
View rules →

Eagan

5/10
960 sq ft*
Max ADU size
Required
Owner-occupancy
View rules →

Blaine

4/10
960 sq ft*
Max ADU size
Required
Owner-occupancy
View rules →

Minnetonka

4/10
1,000 sq ft*
Max ADU size
Required
Owner-occupancy
View rules →

Apple Valley

2/10
Not confirmed*
Max ADU size
Required
Owner-occupancy
View rules →

Maple Grove

1/10
Not allowed
Max ADU size
N/A
Owner-occupancy
View rules →

Brooklyn Park

1/10
Not yet adopted
Max ADU size
N/A
Owner-occupancy
View rules →

Coon Rapids

1/10
Not allowed
Max ADU size
N/A
Owner-occupancy
View rules →

Woodbury

1/10
Not allowed
Max ADU size
N/A
Owner-occupancy
View rules →

Lakeville

1/10
Not allowed
Max ADU size
N/A
Owner-occupancy
View rules →

Eden Prairie

1/10
Not allowed
Max ADU size
N/A
Owner-occupancy
View rules →

*Figures are summarized for convenience and may vary by lot and unit type. Scores are Twin Cities ADU's own editorial rating of how workable each city's ordinance is for a typical homeowner (permit path, owner-occupancy rules, size limits) - not an official city rating.

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