Diamond Ridge Estates
By Jessica Car · Updated March 2026
Just 126 custom homes surrounding a 90-acre wildlife preserve in the heart of a 305-acre community -- one-to-two-acre lots with ranch and two-story designs averaging 3,000-4,500 finished square feet, a private clubhouse with pool and spa, and no more new construction. Fully built out.
Community Anchors
- Philip S. Miller Park and Challenge Hill (200-step staircase)
- Outlets at Castle Rock
- Historic Downtown Castle Rock (restaurants, shops, Festival Park, First Fridays)
- Castle Rock Recreation Center
- Castlewood Canyon State Park
- Douglas County Fairgrounds and Events Center
- Plum Creek Golf Club (Pete Dye-designed)
- Red Hawk Ridge Golf Course (Jim Engh-designed)
- Castle Rock Adventist Hospital
- Douglas County School District RE-1 (Niche: A)
- Castle Rock YMCA
- Over 6,000 acres of town open space
Nearby Schools
- Sage Canyon Elementary
- Mesa Middle School
- Douglas County High School
Considering Diamond Ridge Estates?
Schedule a call with Jessica to discuss the Castle Rock market and homes in Diamond Ridge Estates.
Book a Meeting
Price Range
$400K$1.65M
$850K–$1.8M
Premium end of Castle Rock
Era Built
1969–2011
19002026
Mid-Century / Late 20th Century / Early 21st Century