Homes Under $500K in Ballwin, MO

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MARIS MLS: Based on information submitted to the MLS GRID as of 2026-10-18 00:01:39 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 Ballwin, MO: 84 active listings as of October 18, 2026, 01:25 UTC.