Homes under $400K in O Fallon, IL
36 for sale · 114 homes listed · Updated September 25, 2026 · Page 1 of 3
- 164 eagle ridge, O Fallon 62269 $80,000 · 1 bd · 1 ba · 600 sqft
- 630 aladar drive, O Fallon 62269 $365,000 · 4 bd · 4 ba · 2,423 sqft
- 506 east washington street, O Fallon 62269 $289,900 · 4 bd · 3 ba · 1,569 sqft
- 401 ponderosa 2, O Fallon 62269 $134,900 · 2 bd · 2 ba · 1,100 sqft
- 304 eagle ridge, O Fallon 62269 $105,000 · 2 bd · 1 ba · 868 sqft
- 503 westfield drive, O Fallon 62269 $325,000 · 3 bd · 3 ba · 2,385 sqft
- 107 brookside drive, O Fallon 62269 $197,000 · 3 bd · 1 ba · 768 sqft
- 1020 north smiley street, O Fallon 62269 $294,000 · 4 bd · 3 ba · 2,378 sqft
- 504 west fourth street, O Fallon 62269 $209,900 · 3 bd · 1 ba · 1,320 sqft
- 1513 royal oak court, O Fallon 62269 $245,000 · 3 bd · 2 ba · 1,777 sqft
- 118 alice, O Fallon 62269 $239,900 · 3 bd · 2 ba · 1,454 sqft
- 1406 blackberry lane, O Fallon 62269 $299,000 · 3 bd · 2 ba · 1,591 sqft
- 732 seagate drive, O Fallon 62269 $135,000 · 0 ba
- 1013 south walnut street, O Fallon 62269 $319,900 · 3 bd · 3 ba · 2,050 sqft
- 109 atlantic street, O Fallon 62269 $189,900 · 2 bd · 1 ba · 1,096 sqft
- 421 west highway 50, O Fallon 62269 $299,900 · 3 bd · 2 ba · 1,500 sqft
- 713 hartman lane, O Fallon 62269 $197,000 · 2 bd · 1 ba · 1,450 sqft
- 204 marilyn drive, O Fallon 62269 $273,000 · 2 bd · 2 ba · 2,633 sqft
- 413 north vine street, O Fallon 62269 $269,500 · 3 bd · 2 ba · 1,580 sqft
- 810 meadowlark drive, O Fallon 62269 $385,000 · 4 bd · 3 ba · 2,632 sqft
- 203 dartmouth drive, O Fallon 62269 $225,000 · 3 bd · 2 ba · 1,213 sqft
- 961 sturbridge trail, O Fallon 62269 $383,800 · 3 bd · 2 ba · 2,336 sqft
- 113 white pine avenue, O Fallon 62269 $289,900 · 4 bd · 2 ba · 1,580 sqft
- 920 reiss road, O Fallon 62269 $299,000 · 3 bd · 3 ba · 1,887 sqft
- 513 emily drive, O Fallon 62269 $358,800 · 5 bd · 3 ba · 2,274 sqft
- 912 reiss road, O Fallon 62269 $319,975 · 4 bd · 3 ba · 2,800 sqft
- 165 liberty crossing, O Fallon 62269 $375,000 · 4 bd · 3 ba · 3,032 sqft
- 326 fairwood hills road, O Fallon 62269 $399,500 · 4 bd · 3 ba · 2,640 sqft
- 622 rain hollow drive, O Fallon 62269 $399,000 · 3 bd · 3 ba · 2,693 sqft
- 407 east 4th street, O Fallon 62269 $294,000 · 5 bd · 3 ba · 2,420 sqft
- 320 west third street, O Fallon 62269 $119,900 · 1 bd · 1 ba · 566 sqft
- 409 donna drive, O Fallon 62269 $125,900 · 2 bd · 2 ba · 1,100 sqft
- 221 south second street, O Fallon 62269 $75,000 · 2 bd · 1 ba · 900 sqft
- 607 south augusta street, O Fallon 62269 $333,000 · 4 bd · 3 ba · 3,378 sqft
- 305 spruce street, O Fallon 62269 $239,900 · 4 bd · 2 ba · 1,619 sqft
- 485 bandmour place, O Fallon 62269 $339,000 · 3 bd · 3 ba · 2,480 sqft
- 914 reiss road, O Fallon 62269 Pending $334,900 · 4 bd · 3 ba · 2,520 sqft
- 319 south cherry street, O Fallon 62269 Pending $175,000 · 4 bd · 3 ba · 1,804 sqft
- 745 erika street, O Fallon 62269 Pending $229,900 · 3 bd · 4 ba · 2,106 sqft
- 807 estate drive, O Fallon 62269 Pending $140,000 · 3 bd · 1 ba · 936 sqft
- 717 st nicholas drive, O Fallon 62269 Pending $385,000 · 4 bd · 4 ba · 2,786 sqft
- 204 west state street, O Fallon 62269 Pending $332,500 · 3 bd · 3 ba · 1,600 sqft
- 1516 english pine, O Fallon 62269 Pending $205,000 · 2 bd · 2 ba · 1,000 sqft
- 715 north lincoln avenue, O Fallon 62269 Pending $330,000 · 3 bd · 2 ba · 1,929 sqft
- 809 reiss road, O Fallon 62269 Pending $325,000 · 4 bd · 3 ba · 2,407 sqft
- 608 south augusta street, O Fallon 62269 Pending $225,000 · 3 bd · 2 ba · 1,224 sqft
- 519 east washington street, O Fallon 62269 Pending $150,000 · 3 bd · 1 ba · 1,014 sqft
- 205 wellesley drive, O Fallon 62269 Pending $209,900 · 3 bd · 2 ba · 1,189 sqft
- 213 evergreen drive, O Fallon 62269 Pending $295,000 · 3 bd · 2 ba · 1,832 sqft
- 407 fontainebleau, O Fallon 62269 Pending $328,800 · 3 bd · 2 ba · 2,320 sqft