Homes Under $400K in Naperville, IL

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Midwest Real Estate Data (MRED): Based on information submitted to the MLS GRID as of 2026-11-15 06:06:13 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 $400K in Naperville, IL: 67 active listings as of November 15, 2026, 13:35 UTC.

October 2026 · This period is still settling

Selling at 99.1% of asking price

Buyers here are paying below asking. MLS · 140 sales · as of Oct 30, 2026

Source: HJN community data