Homes under $400K in Oak Brook, IL

11 for sale · 18 homes listed · Updated September 27, 2026

40 north tower road 6g, Oak Brook 60523 $229,900 · 2 bd · 2 ba · 1,276 sqft
23 north tower road north, Oak Brook 60523 $365,000 · 2 bd · 3 ba · 1,972 sqft
40 north tower road 14l, Oak Brook 60523 $185,000 · 1 bd · 1 ba · 910 sqft
40 north tower road 11k, Oak Brook 60523 $189,000 · 1 bd · 1 ba · 925 sqft
40 north tower road north 6n, Oak Brook 60523 $229,000 · 2 bd · 2 ba · 1,284 sqft
40 north tower road 16n, Oak Brook 60523 $243,000 · 2 bd · 2 ba · 1,284 sqft
40 north tower road 5a, Oak Brook 60523 $229,900 · 2 bd · 2 ba
20 north tower road 10m, Oak Brook 60523 $259,500 · 2 bd · 2 ba · 1,286 sqft
40 north tower road 1e, Oak Brook 60523 $187,000 · 1 bd · 1 ba · 893 sqft
20 north tower road 8g, Oak Brook 60523 $190,000 · 2 bd · 2 ba · 1,276 sqft
40 north tower road 7e, Oak Brook 60523 $179,000 · 1 bd · 1 ba · 910 sqft
40 north tower road 10m, Oak Brook 60523 Active Under Contract $245,000 · 2 bd · 2 ba · 1,286 sqft
40 north tower road 12e, Oak Brook 60523 Active Under Contract $215,000 · 1 bd · 1 ba · 950 sqft
40 north tower road 16n, Oak Brook 60523 Off market since Aug 2026 $249,500 · 2 bd · 2 ba · 1,284 sqft
40 north tower road 5a, Oak Brook 60523 Off market since Jul 2026 $229,900 · 2 bd · 2 ba
40 north tower road 4f, Oak Brook 60523 Off market since Sep 2026 $225,000 · 2 bd · 2 ba · 1,320 sqft
20 north tower road 5b, Oak Brook 60523 Off market since Aug 2026 $170,000 · 1 bd · 1 ba · 1,000 sqft
40 north tower road 1e, Oak Brook 60523 Off market since Sep 2026 $189,900 · 1 bd · 1 ba · 893 sqft