Minnesota ADU Laws & Rules (2026)

Compare ADU zoning rules across 2 Minnesota cities. Average ADU score: 7.5/10.

Avg Score: 7.5/102 Cities

Key Minnesota ADU Laws

Minnesota ADU Overview

  • 2 cities currently covered with detailed ADU zoning data
  • Average ADU-friendliness score: 7.5/10
  • Rules vary by city — check individual city pages for details
  • We're actively expanding coverage in Minnesota

Minnesota Cities ADU Comparison

CityMax SizeSetbacksPermit FeesBuild Cost1BR RentScore
Minneapolis 1,300 sq ft or 16% of lot area (whichever greater); max 1,600 sq ft or size of primary dwelling (whichever less) 3 ft (5 ft from alleys for above-garage ADUs) $1,800-$3,000 $140,000-$280,000 $1,350-$1,800/mo 8/10
Saint Paul 800 sq ft or 75% of principal dwelling floor area (whichever greater) 3 ft from interior lot lines $1,900-$3,200 $135,000-$270,000 $1,300-$1,750/mo 7/10

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