Cobblestone Ranch

By Jessica Car · Updated March 2026

A 900-home community built exclusively by Richmond American on the northeast edge of Castle Rock near Parker -- two-story and ranch homes with 1,900-3,300 sqft above grade, basements standard, and a 12-acre park added in 2022 with pickleball courts and a bike skills area. Over 600 acres of open space buffer the community from surrounding development.

Typical Lot	5,000-7,000 sqft
Est. HOA	$60-$90/mo (estimated)
Home Types	Single-family
Amenities	Community pool and clubhouse, Tennis court, Cobblestone Ranch Park (12 acres, playgrounds, pickleball courts, bike skills area), Over 600 acres of open space, Walking trails throughout community

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