

ADUs are allowed in Unincorporated MadisonTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Unincorporated Madison, KY
Is your property eligible for an ADU?
# of Properties
13,990
Owner-occupied
75%
Zoning districts
25
Median Lot Size
1.05 acres
Avg Income
$87,720
Residential Types:
13,990 housing units
Single Family
1%
Other
99%
Zoning Districts:
21,995 parcels · 25 districts
UC-1
42%(9,342)
R-7
28%(6,206)
UC-7
17%(3,756)
R-1
8%(1,695)
Other
5%(996)
ADU Rules
What can you build in Unincorporated Madison, KY?
Unincorporated Madison, KY 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
Max Units
- –1 ADU per parcel in AG district (farm parcel with a single-family dwelling; owner-occupied required).
- –0 ADU per lot in all other districts (not permitted outside AG).
Owner Occupancy
- –Owner occupancy required for either the primary dwelling or ADU.
Parking
- –2 spaces/ADU plus 1 space per bedroom beyond the first; garages/carports may count; parking on the same lot; ADU must use the existing driveway (no separate driveway unless approved).
Rental Restrictions
- –Short-term rentals are not allowed for an ADU.
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 Kentucky municipalities
Rules change at the town line. Check the municipality your property is actually in.
Madison County