

ADU rules for St John
Accessory Dwelling Unit (ADU) Rules for St John, IN
Is your property eligible for an ADU?
# of Properties
10,216
Owner-occupied
84%
Zoning districts
19
Avg Home Value
$355,439
Median Lot Size
0.34 acres
Avg Income
$127,738
Residential Types:
10,216 housing units
Single Family
87%
Apts (4+ units)
3%
Other
10%
Zoning Districts:
10,793 parcels · 19 districts
R2
26%(2,755)
R2PUD
25%(2,722)
R1
21%(2,232)
R3PUD
16%(1,711)
Other
13%(1,373)
ADU Rules
What can you build in St John, IN?
St John, IN follows state and local rules for Accessory Dwelling Units. Here is a concise overview of the local rules.
Eligibility
- –Internal / Attached ADU: Not addressed in the local bylaw
- –Detached ADU: Not addressed in the local bylaw
Owner Occupancy
- –No owner-occupancy requirement for ADUs
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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Is your property eligible for an ADU?
ADU rules in other Indiana municipalities
Rules change at the town line. Check the municipality your property is actually in.
Lake County