Discover a rare fusion of modern elegance, sustainable design, and serene luxury in this one-of-a-kind architect-designed ranch in Lafayette's exclusive Spring Creek Crossing enclave. This residence was custom designed and constructed by an architect as a personal home for himself and his family. This 2022 home offers exceptional comfort, functionality, and environmental consciousness, set on a pristine .77 acre glyphosate free lot with sweeping southern views of the Boulder Flatirons. Interior Highlights, 4,897 sq ft of refined living space , with 3,593 sq ft on the main floor and a 1,304 sq ft finished garden level basement, 5 bedrooms, 5 baths, including two spacious lower level suites and 10' ceilings and ensuite tiled bathrooms. Gracious covered entry opens to a formal foyer with coat closet and powder room, leading into the spectacular Great Room with soaring vaulted ceilings, floor to ceiling windows and a stone fireplace. Open concept kitchen and dining with oversized island, gorgeous natural stone countertops, premium fixtures, and abundant seating, designed for seamless entertaining, Light filled media room with Built in smart sound system with speakers in main living area and entertaining spaces for seamless high quality audio. Luxurious primary suite featuring a spa caliber bathroom with freestanding tub, dual vanities, custom dressing areas, and panoramic views of the Flatirons. Sustainable and Passive Solar Design, Oriented with intentional southern exposure , Deep roof overhangs and covered patios ensure cool, shaded comfort in summer months, enhancing energy efficiency. Constructed with Green Building Principles, using eco conscious materials , high performance windows, and efficent mechancial systems for sustainable living, full home technology with programmable motorized privacy blinds, remote sensor security and home automation.Outdoor living 1,230 sq ft of custom patio space, covered dining , lounge zone with ceiling fans, built in BBQ .