

ADU rules for Unincorporated Sangamon
Accessory Dwelling Unit (ADU) Rules for Unincorporated Sangamon, IL
Is your property eligible for an ADU?
# of Properties
13,619
Owner-occupied
76%
Zoning districts
25
Avg Home Value
$47,110
Median Lot Size
0.86 acres
Avg Income
$93,801
Residential Types:
13,619 housing units
IMPROVED RESIDENTIAL
100%
Zoning Districts:
27,808 parcels · 25 districts
A
69%(19,298)
R-1-A
14%(3,858)
R-2
9%(2,614)
B-3
2%(443)
Other
6%(1,595)
ADU Rules
What can you build in Unincorporated Sangamon, IL?
Unincorporated Sangamon, 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
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.
Sangamon County
Browse addresses by ZIP in Unincorporated Sangamon
627032,018 addresses627071,628 addresses627021,547 addresses627111,517 addresses62563974 addresses62712971 addresses62677840 addresses62704783 addresses62670578 addresses62520459 addresses62684433 addresses62561420 addresses62536354 addresses62615352 addresses62629347 addresses62625334 addresses62558316 addresses62661256 addresses62515231 addresses62539211 addresses62693193 addresses62545163 addresses62530158 addresses62692122 addresses