17 E. 90th St.
Between Fifth and Madison avenues

$33 million
Approximate Annual Taxes: $61,701
Kirk Henckels/Stribling

Completed in 1919, this five-story Carnegie Hill townhouse, almost 29-feet wide, was designed by F. Burrall Hoffman, who graduated from the École des Beaux-Arts in Paris. About 14,000 square feet, it has been occupied by one family since the 1920s. The first floor contains the kitchen, a servants’ hall, laundry room, half bath, office, and rear outdoor space. The second floor contains the vestibule, 15-foot-high foyer, reception area with a coat room, gallery, dining room, serving kitchen, and powder room. The third floor features the living room, mahogany-paneled library, wet bar, and upper gallery. The fourth floor includes a master suite with hand-painted antique wallpaper, two additional bedrooms, and a bath. The fifth floor has a second master suite, including a cedar walk-in closet, another bedroom and full bath, and a small kitchen. The top floor, the former staff quarters, has five maid’s rooms, two baths, and a storage/utility area. Original details include inlaid parquet floors, French windows, nine wood-burning fireplaces with marble mantels, moldings, columns, balustrades, and pediments.

40 W. 10th St.
Between Fifth and Sixth avenues

$21.5 million
Approximate Annual Taxes: $25,000
Michael Pellegrino/Sotheby’s

This Greenwich Village carriage house has a Beaux Arts façade. About 10,300 square feet, it boasts a 40-foot-high atrium and a landscaped garden. The first floor contains a foyer, guest quarters, including two bedrooms and baths, powder room, and a garage. The second floor includes the living room, with a wood-burning fireplace and wide oak-paneled floors, dining room plus wet bar, and kitchen with four arched windows. The third floor features the master suite, a sitting room with a wood-burning fireplace, study, and second bedroom and bath. The fourth floor has a third bedroom, bath, a terrace in the front, and the garden in the rear. The top floor has a rear terrace overlooking the planted garden and the Empire State Building. The basement has a fitness center, with an infinity pool, bedroom, two baths, laundry room, and storage and utility rooms. This home has 12-foot ceilings, a four-zoned heating and cooling system, satin nickel-plated hardware, slab Carrera marble baths, and a glazed roof.

331 W. 87th St.
Between West End Avenue and Riverside Drive

$3 million
Approximate Annual Taxes: $16,556
David Kornmeier/Brown Harris Stevens

This 15-foot-wide townhouse, about 5,000 square feet, which can be built to 9,000, is a classic Beaux Arts structure, with its light brick and limestone façade and low stoop. The garden level has a vestibule, lobby, and a studio with a living room, kitchen, full bath, and garden. The parlor floor is a one-bedroom, with a living room in the front, a bedroom in the back, kitchen, with granite countertops, custom wood cabinetry, and stainless steel countertops, bath, and terrace. The third floor is also a floor-through, with a bedroom, plus dressing area in the front, and the living room, kitchen, and bath in the back. The fourth floor is divided into two studios, with space for a terrace. The fifth floor is a two-room apartment with round windows, a kitchen, bath, and access to a terrace. The basement has a workshop, two storage rooms, and a boiler room. Part of the Riverside-West End Historic District, this home has inlaid parquet floors, seven gas fireplaces with original mantels, arches, balustrades, and other details.