Zoning in O Fallon, Illinois
1 zoning district across 1 category. Source: NZLUD.
Check a specific address in O Fallon — get a full environmental and zoning report including flood zones, contamination, wetlands, and more.
Search an address in O Fallon1
Districts
27.5 ft
Max Height
—
Max FAR
30 du/ac
Max Density
Residential Districts
SUMMARY-1755249
ResidentialO Fallon City — Zoning Summary
Allowed
single familymultifamilycommercial
Dimensional
27.5 ft height30 du/ac1 ac min
Allowed Uses in O Fallon
commercialmultifamilysingle family
Other Jurisdictions in Illinois
FAQ
What are the zoning districts in O Fallon?
O Fallon has 1 district including residential zones. Each district defines what types of buildings and uses are permitted.
How do I find the zoning for a specific property in O Fallon?
Use the address search tool for a full zoning and environmental report for any address in O Fallon, Illinois.
Can I build on my property in O Fallon?
Whether you can build depends on your property's zoning district, which defines allowed uses, height limits, setbacks, lot coverage, and density. Search your address above for a full check including flood zones, wetlands, and contamination.