Welcome to this meticulously maintained, one-owner Colonial in the desireable Rosendale Estates neighborhood and the renowned Niskayuna School District. Set on a quiet cul-de-sac, this four-bedroom, 2 & ½ bath home offers comfortable living spaces, thoughtful updates, and the flexibility to meet today's lifestyle needs. There is hardwood flooring under all the carpets, except the family room and office. The family room provides a welcoming gathering space and connects to a versatile den/office with its own exterior entrance--ideal for a professional office, private workspace, or extended-family accommodations. Recent and newer improvements include the roof, windows, Trex deck, furnace, and water heater, while a one-year-old automatic generator provides added peace of mind. Beautiful bay window in the living room for natural lighting! Enjoy easy access to town parks, the Mohawk Hudson Rail Trail, and Lisha Kill Nature Preserve, with convenient commuting to major employers including GE, Ellis Hospital, and Golub Corporation. Lovingly cared for by its original owner, this home offers the rare combination of flexible space, desirable location, and exceptional maintenance.