Welcome to one of the most compelling land offerings in Douglas County-15.7 acres of private, richly contoured terrain backing directly to Sandstone Ranch Open Space, a protected 2,038-acre wilderness reserve featuring red rock formations, hay meadows, equestrian trails, and direct adjacency to Pike National Forest. This is a once-in-a-generation opportunity to build your legacy retreat in one of Colorado's most picturesque valleys. Set along the scenic corridor of S Perry Park Road, the property combines accessibility with seclusion-just 3.5 miles from Perry Park Country Club and under 5 miles to I-25, yet surrounded by unspoiled terrain, dramatic outcroppings, and panoramic mountain views. Zoned A1, it offers an ideal canvas for an equestrian estate, private residence, or multi-generational compound. With no HOA and no covenants, your vision can unfold with freedom. The property includes a permitted well and existing infrastructure, including a house and garage located at the southern edge of the parcel. While the structures require restoration, they offer potential for use as a guest house, studio, or temporary residence during construction. Future owners can leverage established utility connections and choose from multiple build sites across the property. Two primary build envelopes have already been visually modeled with high-end architectural renderings, providing inspiration for luxury home placement and orientation. Whether you're envisioning a private ranch, a modern architectural masterpiece, or simply land with unbeatable natural adjacency, this property delivers a rare combination of freedom, beauty, and potential-in a setting that feels like a hidden valley, yet lives close to Castle Rock, Larkspur, Monument, and the entire Denver/Colorado Springs corridor. Properties that back to Sandstone Ranch are extraordinarily rare-and this is one of the most buildable, usable, and accessible parcels available.