Homes under $500K in Castlerock, WA

10 homes for sale · Updated August 12, 2026

• 189 trout lakes road, Castlerock 98611 $499,900 · 3 bd · 2 ba · 1,200 sqft
• 110 sunny basin road, Castlerock 98611 $459,000 · 3 bd · 1 ba · 1,232 sqft
• 173 riverview drive, Castlerock 98611 $265,000 · 2 bd · 1 ba · 960 sqft
• 204 conger road, Castlerock 98611 $449,000 · 3 bd · 2 ba · 1,276 sqft
• 111 appleman drive, Castlerock 98611 $430,000 · 2 bd · 2 ba · 1,194 sqft
• 535 diane street, Castlerock 98611 $339,900 · 3 bd · 1 ba · 1,008 sqft
• 173 pioneer avenue, Castlerock 98611 $335,000 · 2 bd · 1 ba · 1,160 sqft
• 716 woodard avenue, Castlerock 98611 $375,000 · 3 bd · 2 ba · 1,252 sqft
• 353 shear street southwest, Castlerock 98611 $419,900 · 4 bd · 2 ba · 1,488 sqft
• 127 pioneer avenue northeast, Castlerock 98611 $399,900 · 4 bd · 2 ba · 1,568 sqft