S Keystone Rd, AZ 85615

8.01 Acre Corner Estate Lot/ Gated Three Canyons Ranch/ Mountain View’s/ Build Ready Build your dream home on this beautiful 8.01 corner parcel located in the gated Three Canyons Ranch community near Hereford, AZ. Situated at the intersection of S. Keystone Road and Rio Lobo Road, this premium homesite offers exceptional access, outstanding mountain views and the privacy of one of Southern Arizona’s most desirable rural communities. Unlike many interior parcels, this desirable corner location provides greater flexibility for driveway placement, home orientation and future improvements while enhancing privacy and creating a true estate setting. The property fronts graded Keystone Road, providing dependable year round access. It is zoned RU-4 and successfully passed a percolation test, making it an excellent candidate for your future custom home. The adjacent 8.01 Acre parcel (APN 104-01-090G) is also available, providing the rare opportunity to create an approximately 16-Acre private estate. Enjoy spectacular views of the Huachuca Mountains, abundant wildlife, dark night skies and easy access to Coronado National Forest, hiking, horseback riding and Sierra Vista. PROPERTY HIGHLIGHTS: APN 104-01-090F 8.01 Acres Premium corner parcel Located at S. Keystone Rd. & Rio Lobo Rd. Gated Community with controlled access Graded road frontage RU-4 zoning Passed percolation testing Underground utility easements Adjacent parcel available HOA dues: $120/year 2026 taxes: $405.46 Whether you’re ready to build today or invest for the future, this is an exceptional opportunity to own one of the finest lots in Three Canyons Ranch.