Homes under $400K in Seatac, WA
12 for sale · 34 homes listed · Updated November 9, 2026
- 3215 South 182nd Street #171, Seatac 98188 $25,499 · 2 bd · 1 ba · 0 sqft
- 4030 South 213 Court #G, Seatac 98198 $369,950 · 2 bd · 2 ba · 0 sqft
- 3515 South 160th Street #B-5, Seatac 98188 $259,999 · 2 bd · 1 ba · 0 sqft
- 3425 South 176th Street #130, Seatac 98188 $279,900 · 2 bd · 2 ba · 0 sqft
- 4812 South 187th Place #B203, Seatac 98188 $274,950 · 2 bd · 2 ba · 0 sqft
- 21048 40th Place South #J2, Seatac 98198 $374,990 · 2 bd · 2 ba · 0 sqft
- 21055 40th Place #F1, Seatac 98198 $384,950 · 2 bd · 2 ba · 0 sqft
- 21082 40th Place South #G1, Seatac 98198 $379,999 · 2 bd · 2 ba · 0 sqft
- 21240 40th Place South Unit B, Seatac 98198 $375,000 · 2 bd · 2 ba · 0 sqft
- 21507 42nd Avenue South #E2, Seatac 98198 $388,000 · 2 bd · 2 ba · 0 sqft
- 3425 South 176th Street #259, Seatac 98188 $180,000 · 2 bd · 2 ba · 0 sqft
- 3425 South 176th Street #282, Seatac 98188 $260,000 · 2 bd · 1 ba · 0 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 Pending $356,000 · 2 bd · 2 ba · 0 sqft
- 15421 30th Avenue South, Seatac 98188 Pending $279,000 · 2 bd · 1 ba · 820 sqft
- 20436 13th Avenue South, Seatac 98198 Pending $399,950 · 3 bd · 1 ba · 1,210 sqft
- 21230 40th Way South East, Seatac 98198 Off market since Sep 2026 $360,000 · 2 bd · 1 ba · 972 sqft
- 4050 South 212th Court B, Seatac 98198 Off market since Aug 2026 $374,950 · 2 bd · 2 ba · 1,146 sqft
- 21048 40th Place South J2, Seatac 98198 Off market since Sep 2026 $389,888 · 2 bd · 2 ba · 1,149 sqft
- 3515 South 160th Street B-5, Seatac 98188 Off market since Sep 2026 $259,999 · 2 bd · 1 ba · 820 sqft
- 21430 40th Place South A, Seatac 98198 Off market since Aug 2026 $359,000 · 2 bd · 2 ba · 1,008 sqft
- 3425 South 176th Street 130, Seatac 98188 Off market since Sep 2026 $279,900 · 2 bd · 2 ba · 1,011 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
- 21055 40th Place F1, Seatac 98198 Off market since Sep 2026 $390,000 · 2 bd · 2 ba · 1,007 sqft
- 3425 South 176th Street 107, Seatac 98188 Off market since Sep 2026 $275,000 · 2 bd · 1 ba · 1,018 sqft
- 4050 South 212th Court B, Seatac 98198 Off market since Sep 2026 $356,000 · 2 bd · 2 ba · 1,146 sqft
- 3215 South 182nd Street 171, Seatac 98188 Off market since Sep 2026 $25,499 · 2 bd · 1 ba · 1,000 sqft
- 4812 South 187th Place B203, Seatac 98188 Off market since Sep 2026 $290,000 · 2 bd · 2 ba · 828 sqft
- 4030 South 213 Court G, Seatac 98198 Off market since Sep 2026 $379,950 · 2 bd · 2 ba · 1,015 sqft
- 21082 40th Place South G1, Seatac 98198 Off market since Sep 2026 $379,999 · 2 bd · 2 ba · 1,007 sqft