Welcome to 3550 Green Spring Drive, located in the highly sought-after Fossil Lake Ranch neighborhood in Fort Collins. This beautifully maintained home showcases exceptional care and thoughtful updates throughout, including brand new carpet on the main and upper levels, newly refinished hardwood floors, a new furnace (2024), tankless water heater, dishwasher, exterior paint (2025), and a freshly painted fence. A charming brick facade and tall covered front porch create a striking first impression, complemented by a spacious three-car garage featuring a durable Polyaspartic floor. Inside, the home is filled with natural light and a layout designed for both everyday living and entertaining. Just off the entry, a private study with French doors offers the perfect work-from-home space, along with one gigabit ethernet wiring to every room. An elegant dining room sits nearby, ideal for gatherings. The heart of the home features an open-concept design where the living room, kitchen, and breakfast nook seamlessly connect. The living room boasts soaring ceilings and a cozy gas fireplace. The kitchen includes beautiful cabinetry, stainless steel appliances, a large center island with seating, and a bright breakfast nook, all overlooking the beautifully landscaped backyard complete with a pergola-covered patio. The main-level primary suite offers a peaceful retreat with its own gas fireplace, a spa-like bath with soaking tub, large shower, dual vanities, and a custom closet. A mudroom and half bathroom complete the main level. Upstairs includes three bedrooms, a laundry room, a Jack-and-Jill bathroom connecting two of the bedrooms, and an additional three-quarter bathroom. The finished basement adds a large recreation room with a 4K BenQ projector and one hundred twelve inch screen; an additional bedroom; three-quarter bathroom; and rough-in plumbing for a future kitchen or bar. This home offers a rare combination of thoughtful upgrades; flexible living space; and an unbeatable location in Fossil Lake Ranch.