Brick-front subdivisions
Attached garages, practical floor plans and traditional exteriors are common throughout the area.
Housing
Traditional Midwest housing, with room to move up.
O’Fallon offers a broad housing ladder: starter and ranch homes, established subdivisions, larger two-story properties, patio homes, townhomes, apartments and active new construction. That range is one reason the city can work for first-time buyers, military relocations, growing families and downsizers alike.
Current context
A market centered in the $300s.
Zillow reported a typical O’Fallon home value of $315,807 in August 2026, while Redfin’s recent median sale data has run higher because the two services measure different things. Census data puts the 2020–2024 median value of owner-occupied homes at $295,700. The practical takeaway: many buyers will spend time in the $300s, but O’Fallon has meaningful inventory both below and above that level.
Price is only part of the decision. Age of construction, property taxes, school boundaries, lot size and commute can change significantly from one part of town to another.
See sources & methodology70.2%owner-occupied housing rate
$295.7KCensus median owner-occupied value
$1,332median gross rent, 2020–2024
100+new homes built in a typical year, city estimate
What you’ll commonly see
Housing styles around O’Fallon.
Ranches & established homes
Older neighborhoods can offer mature trees, one-level layouts and proximity to the city core.
Newer construction
Growth continues around the edges of town, with larger floor plans and newer subdivisions.
What local buyers should compare
The house is only half the decision.
Property tax bill
Illinois taxes can materially change the monthly payment. Compare the actual bill on a specific property rather than estimating from the purchase price.
Age versus maintenance
Established neighborhoods may offer mature trees and central locations; newer construction may offer modern layouts and systems. Neither is automatically the better value.
Resale audience
Homes near major commute routes, strong amenities and commonly requested school paths can appeal to a broad pool of future buyers. A local agent can help you understand what tends to move quickly.
PCS and relocation timing
With Scott AFB nearby, O’Fallon has a meaningful relocation market. If you are working against military orders or a corporate start date, availability and possession timing may matter as much as price.