Discover a rare offering in The Grinnell, one of the architectural gems of Upper Riverside Drive, nestled within the cherished Audubon Park Historic District. This original 2-bedroom, 1-bathroom offers more than just square footage—it delivers soul, scale, and rich architectural detail. Conveniently located, this gracious home opens into a large foyer that flows into a side-by-side living room and library, connected by classic French doors—ideal for entertaining or quiet retreat. The adjoining paneled formal dining room evokes old-world charm and is perfect for intimate dinners or lively gatherings. Delivering two spacious bedrooms separated by a sunlit gallery hallway. Both bedrooms transform for natural airflow and original mirrored mahogany doors, preserving the home's prewar elegance. Throughout the home, you’ll find 10-foot ceilings, original oak floors, and custom millwork. The large kitchen blends form and function restored oak cabinetry, and a full-size pantry. This is a unique opportunity to own a piece of New York history in a building celebrated for its architectural integrity, gracious layouts, and vibrant neighborhood charm.