ADU rules for Johnston City
Accessory Dwelling Unit (ADU) Rules for Johnston City, IL
Is your property eligible for an ADU?
# of Parcels
2,505
Zoning districts
1
Avg Parcel Value
$15,962
Zoning Districts:
78 parcels · 1 district
NZ
100%(78)
ADU Rules
What can you build in Johnston City, IL?
Johnston City, IL 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
Parking
- –1 space per dwelling unit; off-street parking not required in B-2; Board of Appeals may modify/reduce/waive; unlisted uses follow provisions for similar use
Rental Restrictions
- –Non-owner-occupied rentals must be registered with the city; leasing without registration is unlawful.
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 Illinois municipalities
Rules change at the town line. Check the municipality your property is actually in.
Williamson County