Homes Under $500K in O'Fallon, MO

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24 of 198 Listings

Holly Gerchen

Holly Gerchen Group brokered by Epique Realty

Lic. #Broker Associate

Lynne Schlereth

Preferred Rate

NMLS #2378688

MARIS MLS: Based on information submitted to the MLS GRID as of 2026-10-25 19:01:40 UTC. All data is obtained from various sources and may not have been verified by broker or MLS GRID. Supplied Open House Information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information.

Homes Under $500K in O'Fallon, MO: 198 active listings as of October 25, 2026, 19:49 UTC.

August 2026 · This period is still settling

Selling at 100.0% of asking price

Sales here are closing essentially at asking. MLS · 111 sales · as of Aug 31, 2026

Source: HJN community data