ADUs are allowed in BataviaTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Batavia, IL
Is your property eligible for an ADU?
# of Properties
8,414
Owner-occupied
91%
Zoning districts
35
Avg Home Value
$139,136
Median Lot Size
0.27 acres
Avg Income
$136,410
Residential Types:
8,414 housing units
Apts (4+ units)
96%
Other
4%
Zoning Districts:
9,953 parcels · 35 districts
R1-L
40%(3,937)
R0
15%(1,506)
R1-H
12%(1,182)
R1-M
10%(962)
Other
24%(2,366)
ADU Rules
What can you build in Batavia, IL?
Batavia, 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
Size Limits
- –Maximum size of 75% of the primary dwelling’s floor area
Max Units
- –1 per lot for single-family (R1-M, R1-H).
- –0 per lot for other residential (R0/R1-L; R2–R5).
Owner Occupancy
- –No owner-occupancy requirement.
Parking
- –1 space/ADU; max: none stated; exceptions: 1 additional space for Secondary Dwelling; Single-Family districts have no parking maximum cap; no transit-based reductions/waivers
Rental Restrictions
- –Bed and Breakfasts on properties with a Secondary Dwelling are allowed only if the Secondary Dwelling is occupied solely by the Bed and Breakfast rental party; separate renting of Guest Quarters from the principal dwelling is prohibited
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.
Kane County