Homes under $500K in Mercer Island, WA

5 homes for sale · Updated August 12, 2026

• 2500 81st avenue southeast 118, Mercer Island 98040 $399,950 · 2 bd · 1 ba · 965 sqft
• 2939 76th avenue southeast 41b, Mercer Island 98040 $295,000 · 1 bd · 1 ba · 455 sqft
• 2500 81st avenue southeast 329, Mercer Island 98040 $369,000 · 1 bd · 1 ba · 715 sqft
• 2929 76th avenue southeast 208, Mercer Island 98040 $409,950 · 1 bd · 1 ba · 800 sqft
• 2500 81st avenue southeast 351, Mercer Island 98040 $395,000 · 1 bd · 2 ba · 1,065 sqft