ADUs are allowed in WoodstockTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Woodstock, IL
Is your property eligible for an ADU?
# of Properties
810
Owner-occupied
20%
Zoning districts
42
Avg Home Value
$49,356
Median Lot Size
0.33 acres
Avg Income
$105,406
Residential Types:
810 housing units
Single Family
1%
Apts (4+ units)
91%
Other
8%
Zoning Districts:
10,063 parcels · 42 districts
R
27%(2,696)
R3
12%(1,175)
R1B
10%(1,050)
R1BPUD
9%(911)
Other
42%(4,231)
ADU Rules
What can you build in Woodstock, IL?
Woodstock, IL 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
Interior / Attached ADU Size Limits
- –Maximum size is the lesser of 800 sq ft or 33% of the principal dwelling’s gross floor area; in TND districts the maximum is 800 sq ft.
Detached ADU Size Limits
- –Maximum ADU size is the lesser of 800 sq ft or 33% of the principal dwelling’s floor area.
Owner Occupancy
- –ADU allowed only on a lot with an owner-occupied single-family residence
Parking
- –2 spaces per ADU bedroom; no max; parking required in addition to principal dwelling; no reductions or transit exemptions
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.
McHenry County