Homes under $500K in Castaic, CA

6 homes for sale · Updated August 12, 2026

• 36200 paradise ranch road 120, Castaic 91384 $230,000 · 4 bd · 2 ba · 1,880 sqft
• 31321 the old g, Castaic 91384 $375,000 · 2 bd · 1 ba · 1,128 sqft
• 31732 ridge route 211, Castaic 91384 $309,900 · 1 bd · 1 ba · 683 sqft
• 36200 paradise ranch road spc 77, Castaic 91384 $194,900 · 4 bd · 2 ba · 1,440 sqft
• 31244 lakehills road, Castaic 91384 $199,800 · 3 bd · 2 ba · 1,440 sqft
• 31371 the old road east, Castaic 91384 $475,000 · 2 bd · 2 ba · 1,077 sqft