Tucked at the end of a private lane abutting open space and Anderson Ditch, this architectural masterpiece offers unparalleled privacy and spectacular views of the Foothills. Lush landscaping envelops this oversized lot - one of the original homestead sites in Boulder. Designed and recently renovated by a renowned local architect, the sun-drenched interior flows w/ soaring ceilings and seamless outdoor connectivity to patios and decks. High-end finishes flourish throughout, including Nydree maple-stained hardwood floors, Adequine Mexican volcanic stone tile and lighting by Moooi and Flos. The chef's kitchen showcases a Carrara marble waterfall island, custom cherry cabinetry, oversized Kohler sink and Miele, Gaggenau and GE Monogram appliances. A main-floor primary bedroom and an additional lower-level primary suite ensure ultimate comfort. Serene baths are adorned w/ designer finishes including Keuco cabinetry, Duravit sinks, Hans Grohe faucets and Plato cabinetry. A separate building w/ a legal ADU (currently renting furnished for $3,100/month) offers rental income potential. Off street parking between alley and front offers up to parking for 5 cars. Garage is finished, heated + cooled and has a 3/4 bathroom. Whole house fire suppression system in house+ADU/garage studio!