Escape to your own private 8.8 acre sanctuary in Grass Valley with this one of a kind custom estate offering a total of 2,720 square feet of living space. Tucked away among majestic Ponderosa Pines, Oaks, and Cedars, this property offers the perfect balance of secluded country living just 15 minutes from both downtown Grass Valley and Auburn. The main residence features 2,048 square feet with 2 primary suite bedrooms and 2-1/2 bathrooms. Built with 2 x 6 framing, this home offers a thoughtful layout with a primary bedroom on each level for maximum privacy. Inside, soaring 19 foot ceilings and solid Douglas Fir beams create grand elegance, complemented by custom door casings and crown molding. The gourmet kitchen is a chef's delight with Kraftmaid cherry cabinetry, a pantry with maple rollout shelving, granite countertops, and premium Jenn Air appliances. Modern convenience is integrated throughout, featuring a Beam whole house vacuum, two speed whole house fan, and a hot water recirculating pump for instant heat on the main floor. The home is equipped with CAT 5 wiring, an owned security system, and surround sound. Both levels offer seamless access to the 1,248 square foot Trex and tile wrap around deck, which includes a pre wired 220V circuit on a reinforced section for a spa. Beyond the main house, a covered breezeway leads to a detached oversized garage and workshop with a carriage house above. This bright ADU offers 672 square feet with 1 bedroom and 1 full bathroom. With vaulted ceilings and its own air conditioning, water heater, and RO water purification system, it is ideal for multi generational living or rental income. The outdoor space is professionally landscaped, featuring a year round stream and a shared pond. Practicality meets potential with a high production well tested at 100 GPM, an engineered septic system, and timed irrigation. The property also includes a secondary upper building pad with long range views, offering a rare opportunity to build another home or expand your estate. This Shirley Lane estate is a rare find that delivers on every level.