ADUs are allowed in Unincorporated MadisonTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Unincorporated Madison, IN
Is your property eligible for an ADU?
# of Properties
15,391
Owner-occupied
61%
Zoning districts
32
Median Lot Size
0.54 acres
Avg Income
$89,404
Residential Types:
15,391 housing units
Single Family
90%
2-3 Family
1%
Apts (4+ units)
1%
Other
8%
Zoning Districts:
28,450 parcels · 32 districts
AG
38%(10,768)
R2
23%(6,585)
CR
23%(6,515)
R1
7%(1,910)
Other
9%(2,672)
ADU Rules
What can you build in Unincorporated Madison, IN?
Unincorporated Madison, IN follows state and local rules for Accessory Dwelling Units. Here is a concise overview of the local rules.
Eligibility
- –Internal / Attached ADU: Special Permit
- –Detached ADU: Special Permit
Parking
- –Min varies by district: non-farm or farm-related ADUs = 2 spaces; MR/MH = 1.5 spaces/ADU + 1 visitor per 2 units. Off-site within 700 ft allowed; may be shared under a recorded agreement; must be on the same lot; spaces 9x18 ft; not in ROW or utility easements; non-farm paved; farm-related gravel and avoid easements/septic fields.
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 Indiana municipalities
Rules change at the town line. Check the municipality your property is actually in.
Madison County