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321 West 78th Street
Last updated on May 8, 2026

321 West 78th Street

321 West 78th Street is a pre-war co-op building in the Upper West Side, built in 1924 and converted in 1979. The 9-story building contains 54 units and offers amenities such as basement storage and an elevator. Currently, 1 apartment is for sale.

321 West 78th Street Location Map
Unit #
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Size
Price / Ft2
Price
Listed on
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Unit #
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Closing Price
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Asking Price
Sold on
View Full Sales History

Overview of 321 West 78th Street

321 West 78th Street is a pre-war co-op building located in the Upper West Side's Riverside Dr./West End Ave. neighborhood. Completed in 1924 and converted in 1979, this intimate 9-story structure houses 54 units. The building features essential amenities such as a 24-hour doorman, live-in superintendent, basement storage, and an elevator, making it a convenient choice for residents.

The apartments in 321 West 78th Street showcase classic pre-war details, including herringbone flooring, high beamed ceilings, and oversized windows that provide ample natural light. Many units offer spacious layouts, with options for two to three bedrooms, formal dining rooms, and modern kitchens equipped with high-end appliances like Wolf and Sub-Zero. Notable features include generous closet space, in-unit laundry options, and the potential for flexible layouts that accommodate various living arrangements.

Residents enjoy a prime location just steps from Riverside Park, with easy access to local shops, restaurants, and cultural attractions such as the Museum of Natural History and Lincoln Center. The building is pet-friendly and allows financing up to 75%, with a flip tax of 2.5% of the sales price. This combination of classic charm and modern convenience makes 321 West 78th Street a desirable address in a vibrant community.

Doorman
Full Time
Type
Co-op
Year Built
1924
Converted: 1979
Apartments
Floors
9
Neighborhood
Min Down
30%

Amenities

  • FT Doorman
  • Resident Storage
  • Elevator
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  1. 1
at Broadway 0.13 miles
  1. 2
  2. 3
at Broadway 0.40 miles

Sales History

Price/Room (Est)

Why are we displaying the estimated price per room?

For some co-ops, instead of price per square foot, we use an estimate of the number of rooms for each sold apartment to chart price changes over time. This is because many co-op listings do not include square footage information, and this makes it challenging to calculate accurate square-foot averages.

By displaying the price per estimated room count, we are able to provide a more reliable and consistent metric for comparing sales in the building. While we hope that this gives you a clearer sense of price trends in the building, all data should be independently verified. All data provided are only estimates and should not be used to make any purchase or sale decision.

Price/Ft2 (Est)
View Full Closing History

Sales Summary

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Sales History by Apartment Size

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Pricing Comparison of Similar Buildings

View Detailed Comparison
720 West End Avenue
between West 96th Street & West 95th Street
Riverside Dr./West End Ave.
Upper West Side condos from $995K near Riverside Park and the Hudson River. Occupancy 2025 | 30,000 SF of indoor/outdoor amenities.
Learn More