ADUs are allowed in PlymouthTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Plymouth, MN
Is your property eligible for an ADU?
# of Properties
27,843
Owner-occupied
77%
Zoning districts
26
Avg Home Value
$546,134
Median Lot Size
0.36 acres
Avg Income
$149,705
Residential Types:
27,843 housing units
Single Family
16%
Condos
13%
Other
71%
Zoning Districts:
29,471 parcels · 26 districts
RSF-1
29%(8,665)
RSF-2
21%(6,070)
PUD
13%(3,810)
RSF-3
11%(3,189)
Other
26%(7,737)
ADU Rules
What can you build in Plymouth, MN?
Plymouth, MN follows state and local rules for Accessory Dwelling Units. Here is a concise overview of the local rules.
Eligibility
- –Internal / Attached ADU: By Right
- –Detached ADU: By Right
Interior / Attached ADU Size Limits
- –Maximum size of 1,000 sq ft
- –Maximum size of 30% of the gross floor area of the home
Detached ADU Size Limits
- –Maximum size of 700 sq ft (a stricter 30% of rear yard limit may also apply).
- –In single- and two-family dwellings, maximum size is the principal building’s gross floor area.
Max Units
- –1 ADU per single-family detached lot; 0 ADUs on properties containing more than one dwelling unit
Owner Occupancy
- –Owner must reside on-site in either the principal or ADU.
Parking
- –1 space per ADU (off-street); in addition to 2 for the principal dwelling (total min 3); off-street only; must comply with Chapter 21135; applies on FRD, RSF-1/2/3, or single-family residential PUD districts; no transit-based waivers stated.
Rental Restrictions
- –A city rental license is required to rent the ADU; no minimum/maximum rental term or short-term rental prohibition is specified.
What's allowed on your lot?
These are the municipality-wide rules. What's allowed on a specific property also depends on state laws, setbacks, floor area ratio, lot coverage, environmental constraints, topography, and other property-specific factors. Search your address on FutureLot to see what's allowed on your property.
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ADU rules in other Minnesota municipalities
Rules change at the town line. Check the municipality your property is actually in.
Hennepin County