Homes under $300K in Castle Rock, WA

7 homes for sale · Updated August 12, 2026

• 2104 delameter road, Castle Rock 98611 $264,900 · 3 bd · 1 ba · 1,433 sqft
• 7629 old pacific highway, Castle Rock 98611 $279,000 · 3 bd · 2 ba · 891 sqft
• 7629 north old pacific highway, Castle Rock 98611 $289,000 · 3 bd · 2 ba · 891 sqft
• 173 riverview drive, Castle Rock 98611 $265,000 · 2 bd · 1 ba · 960 sqft
• 114 cherry street northwest, Castle Rock 98611 $299,999 · 3 bd · 2 ba · 946 sqft
• 336 southwest 3rd avenue, Castle Rock 98611 $275,000 · 2 bd · 1 ba · 618 sqft
• 102 sir lancelot way, Castle Rock 98611 $279,900 · 3 bd · 2 ba · 1,056 sqft