First Open House will be on Sunday September 7th from Noon to 2pm. Spacious Four-and-a-Half Room Prewar Home in a Prime Upper West Side Location. Perched on the 11th floor of a distinguished 1920s full-service cooperative, Residence 11B offers a grand-scale four-and-a-half-room home, well suited for gracious living and entertaining. Boasting 10-foot-high ceilings, oversized windows, abundant closet space, and tremendous light-including a southern view stretching all the way to Hudson Yards (and north to double-wide 86th Street)-this residence is rich in original architectural details. A generous entry foyer leads to the grandly proportioned living room of uncommon scale, while the windowed eat-in kitchen is bright, extremely spacious, and ready for your reimagination. The oversized main bedroom enjoys excellent southern light and two large closets. This home features abundant original prewar details, including two decorative mantels, herringbone hardwood floors, archways, a French door, moldings, and bronze hardware. With only three apartments on the floor and a separate service door, Residence 11B is both private and well-suited to entertaining. The windowed bathroom and kitchen provide natural light throughout. 11B is offered in lovingly kept estate condition, allowing a new owner the opportunity to restore and customize while preserving its rare proportions. A washer and dryer, as well as central air conditioning, may be added with board approval. The Royal Summit is a full-service cooperative in excellent physical and financial condition. Built in 1915 by the well-known architectural firm Mulliken and Moeller and incorporated in 1981, the building boasts one of the most stunning and ornate lobbies in the city. The 67-unit cooperative, connected through the basement, is housed in two identical adjoining buildings (310 & 320 W 86). 310 West 86th comprises just 27 units, offering maximum privacy and intimacy along with full service. The Royal Summit is pet-friendly and offers a 24-hour doorman, live-in superintendent, porters, storage, bike room, central laundry facilities, and a residents" courtyard. Ideally situated next to Riverside Park on a landmarked, double-wide block with no city bus traffic, this home is surrounded by the best dining, shopping, and entertainment the Upper West Side has to offer. The Hudson River Waterfront Greenway is at your doorstep, with dog runs and jogging and biking trails. Nearby transportation includes the 1, B, and C subways, as well as the 86th Street crosstown bus.310 West 86th Street, 11B offers prewar grandeur, abundant light, and an unbeatable Upper West Side location.