Homes under $400K in Seatac, WA
11 for sale · 19 homes listed · Updated September 25, 2026
- 21230 40th way south east, Seatac 98198 $360,000 · 2 bd · 1 ba · 972 sqft
- 21048 40th place south j2, Seatac 98198 $399,990 · 2 bd · 2 ba · 1,149 sqft
- 3515 south 160th street b-5, Seatac 98188 $259,999 · 2 bd · 1 ba · 820 sqft
- 3425 south 176th street 130, Seatac 98188 $279,900 · 2 bd · 2 ba · 1,011 sqft
- 21055 40th place f1, Seatac 98198 $390,000 · 2 bd · 2 ba · 1,007 sqft
- 3425 south 176th street 107, Seatac 98188 $275,000 · 2 bd · 1 ba · 1,018 sqft
- 4050 south 212th court b, Seatac 98198 $356,000 · 2 bd · 2 ba · 1,146 sqft
- 3215 south 182nd street 171, Seatac 98188 $25,499 · 2 bd · 1 ba · 1,000 sqft
- 4812 south 187th place b203, Seatac 98188 $290,000 · 2 bd · 2 ba · 828 sqft
- 4030 south 213 court g, Seatac 98198 $379,950 · 2 bd · 2 ba · 1,015 sqft
- 21082 40th place south g1, Seatac 98198 $379,999 · 2 bd · 2 ba · 1,007 sqft
- 3503 south 160th street b1, Seatac 98188 Pending $269,900 · 2 bd · 1 ba · 806 sqft
- 21048 40th place south j-4, Seatac 98198 Pending $295,000 · 1 bd · 1 ba · 802 sqft
- 21250 40th way south b, Seatac 98198 Pending $385,000 · 2 bd · 2 ba · 1,146 sqft
- 14918 32nd place south 20, Seatac 98168 Pending $310,000 · 2 bd · 2 ba · 991 sqft
- 4050 south 212th court b, Seatac 98198 Off market since Aug 2026 $374,950 · 2 bd · 2 ba · 1,146 sqft
- 21430 40th place south a, Seatac 98198 Off market since Aug 2026 $359,000 · 2 bd · 2 ba · 1,008 sqft
- 3445 south 176th street 411, Seatac 98188 Off market since Aug 2026 $274,990 · 2 bd · 1 ba · 970 sqft
- 21507 42nd avenue south e2, Seatac 98198 Off market since Jul 2026 $399,998 · 2 bd · 2 ba · 1,007 sqft