Homes under $400K in Ontario, CA
18 homes for sale · Updated August 12, 2026
- 2139 east 4th 84, Ontario 91764 $224,990 · 3 bd · 2 ba · 1,344 sqft
- 416 north imperial avenue a, Ontario 91764 $345,000 · 2 bd · 1 ba · 788 sqft
- 3706 lytle creek, Ontario 91761 $245,000 · 1 ba · 400 sqft
- 1456 east philadelphia 387, Ontario 91761 $139,000 · 2 bd · 2 ba · 1,880 sqft
- 1456 east philadelphia 132, Ontario 91761 $127,000 · 2 bd · 2 ba · 1,392 sqft
- 1456 east philadelphia 161, Ontario 91761 $179,999 · 3 bd · 2 ba · 1,440 sqft
- 920 south palmetto avenue 9, Ontario 91762 $333,000 · 2 bd · 1 ba · 686 sqft
- 1456 east philadelphia unit #266, Ontario 91761 $125,000 · 3 bd · 2 ba · 1,836 sqft
- 1855 east riverside 418, Ontario 91761 $214,000 · 3 bd · 2 ba · 1,152 sqft
- 3640 oak creek drive d, Ontario 91761 $375,000 · 2 bd · 2 ba · 743 sqft
- 3651 country oaks loop d, Ontario 91761 $338,000 · 2 bd · 2 ba · 743 sqft
- 1855 east riverside 254, Ontario 91761 $119,900 · 3 bd · 2 ba · 1,176 sqft
- 1456 east philadelphia 121, Ontario 91761 $94,000 · 2 bd · 2 ba · 1,440 sqft
- 1456 east philadelphia 186, Ontario 91761 $139,900 · 2 bd · 2 ba · 1,880 sqft
- 1456 philadelphia 427, Ontario 91761 $119,888 · 3 bd · 2 ba · 1,600 sqft
- 1814 north vineyard g, Ontario 91764 $399,000 · 2 bd · 1 ba · 1,234 sqft
- 3707 oak creek drive a, Ontario 91761 $289,900 · 1 bd · 1 ba · 507 sqft
- 3210 east yountville drive 14, Ontario 91761 $399,950 · 1 bd · 2 ba · 990 sqft