Homes under $500K in Castro Valley, CA
5 for sale · 24 homes listed · Updated November 9, 2026
- 21103 Gary 318a, Castro Valley 94546 $449,000 · 2 bd · 2 ba · 1,100 sqft
- 21103 Gary #318a, Castro Valley 94546 $449,000 · 2 bd · 2 ba · 1,100 sqft
- 21103 Gary Unit 318a, Castro Valley 94546 $449,000 · 2 bd · 2 ba · 1,100 sqft
- 16451 Saratoga Street #306w, Castro Valley 94578 $450,000 · 2 bd · 2 ba · 962 sqft
- 14972 Saturn Drive, Castro Valley 94578 $499,000 · 1 bd · 1 ba · 598 sqft
- 19100 Crest Avenue 24, Castro Valley 94546 Pending $395,000 · 2 bd · 1 ba · 1,190 sqft
- 19100 Crest Avenue #24, Castro Valley 94546 Pending $395,000 · 2 bd · 1 ba · 1,190 sqft
- 19100 Crest Avenue, Castro Valley 94546 Pending $485,000 · 2 bd · 2 ba · 1,328 sqft
- 19100 Crest Avenue 66, Castro Valley 94546 Pending $485,000 · 2 bd · 2 ba · 1,328 sqft
- 21239 Gary 206, Castro Valley 94546 Pending $470,000 · 2 bd · 2 ba · 1,393 sqft
- 2505 Miramar Avenue 122, Castro Valley 94546 Pending $425,000 · 2 bd · 2 ba · 898 sqft
- Listing-10640719005, Castro Valley 94578 Pending $425,000 · 2 bd · 1 ba · 861 sqft
- 2002 167th Avenue, Castro Valley 94578 Pending $425,000 · 2 bd · 1 ba · 861 sqft
- 2505 Miramar Avenue #114, Castro Valley 94546 Pending $429,000 · 2 bd · 2 ba · 899 sqft
- 2505 Miramar Avenue Unit 114, Castro Valley 94546 Pending $429,000 · 2 bd · 2 ba · 899 sqft
- 2505 Miramar Avenue 114, Castro Valley 94546 Pending $429,000 · 2 bd · 2 ba · 899 sqft
- 20278 Forest Avenue 4, Castro Valley 94546 Active Under Contract $499,000 · 2 bd · 2 ba · 1,014 sqft
- 20278 Forest Avenue, Castro Valley 94546 Active Under Contract $499,000 · 2 bd · 2 ba · 1,014 sqft
- 19100 Crest Avenue 23, Castro Valley 94546 Off market since Jul 2026 $460,000 · 2 bd · 1 ba · 1,190 sqft
- 19100 Crest Avenue, Castro Valley 94546 Off market since Jul 2026 $460,000 · 2 bd · 1 ba · 1,190 sqft
- 19100 Crest Avenue 100, Castro Valley 94546 Off market since Oct 2026 $485,000 · 2 bd · 2 ba · 1,224 sqft
- 2500 Miramar Avenue, Castro Valley 94546 Off market since Aug 2026 $475,000 · 2 bd · 2 ba · 1,133 sqft
- 2500 Miramar Avenue 203, Castro Valley 94546 Off market since Aug 2026 $475,000 · 2 bd · 2 ba · 1,133 sqft
- 21103 Gary, Castro Valley 94546 Off market since Aug 2026 $475,000 · 2 bd · 2 ba · 1,100 sqft