Homes under $400K in San Mateo, CA

6 for sale · 6 homes listed · Updated September 25, 2026

• 1 baldwin avenue 816, San Mateo 94401 $349,000 · 1 bd · 2 ba · 1,100 sqft
• 1 baldwin avenue, San Mateo 94401 $349,000 · 1 bd · 2 ba · 1,100 sqft
• 1 baldwin avenue 1008, San Mateo 94401 $325,000 · 2 bd · 2 ba · 1,125 sqft
• 1 baldwin avenue, San Mateo 94401 $325,000 · 2 bd · 2 ba · 1,125 sqft
• 1 baldwin avenue, San Mateo 94401 $299,000 · 1 bd · 1 ba · 813 sqft
• 1 baldwin avenue 915, San Mateo 94401 $299,000 · 1 bd · 1 ba · 813 sqft