Active Listings
209
⇩ 7.9% vs 227 last year
Data as of January 2026. Source: Realtor.com.
The O'fallon, MO real estate market currently shows 209 active listings, with 87 pending sales. Homes are averaging 58.8 days on the market before going under contract.
Inventory has tightened compared to last year, with 18 fewer active listings — creating more competition among buyers.
Homes are selling faster, averaging 58.8 days on market compared to 62.3 days last year.
The median listing price has risen 12.6% year-over-year, from $411,832 to $463,768.
Whether you are buying or selling in O'fallon, MO, SELL123.com can help you save significantly on commission — typically 2% compared to traditional 5% broker fees. Call (240) SELL-123 for a free consultation.
ZIP coverage: 2 · Population: 98,870 · Median household income: $103,255
Typical home value: $278,959 · Homeownership rate: 81.6%