Skip to Content
  • Apartments
  • Overview & Photos
  • Maps
  • Ratings & Insider Info
  • Building Specialists
  • Floorplans
  • Sales Data & Comps
  • Similar Buildings
310 East 23rd Street
Last updated on Jun 6, 2026

The Foundry,
310 East 23rd Street

The Foundry is a converted factory building in Gramercy Park with 136 co-operative apartments across two buildings. It features high-barrel vaulted ceilings, amenities like a roof deck and bike storage, and allows pets, sublets, and pied-a-terres. Currently, 2 apartments are for sale.

310 East 23rd Street Location Map

All Apartments For Sale

Unit #
Beds
Baths
Size
Price / Ft2
Price
Listed on
Days on Market
Thinking of selling? See how your apartment compares and who can sell it best. Start here
Unit #
Beds
Baths
Size
Closing Price
Price / Ft2
Asking Price
Sold on
Thinking of selling? See how your apartment compares and who can sell it best. Start here
Show More Closed Sales

Overview of The Foundry at 310 East 23rd Street

The Foundry is a two-building converted factory building at 310 and 312 East 23rd Street between First and Second Avenues in Gramercy Park. It contains 136 co-operative apartments in a condop.   There are 100 apartments in the 12-story building at 310 East 23rd Street and 36 in the 10-story building at 312 East 23rd Street.   It is a converted steel and concrete factory building originally built in 1900 and maintains some of its classic features like high-barrel vaulted ceilings.   Amenities include a common furnished roof deck with a grill, a resident super, elevator, common laundry room, bike and basement storage, and a video intercom.    The neighborhood itself offers the Gramercy Theater, the East River Promenade, and easy access to the 6 and N/R/W trains.   Gifts, guarantors, pied-a-terres, sublets, and pets are all allowed.  

 

Doorman
None
Type
Condop
Year Built
1905
Apartments
Floors
12
Pets: Allowed
Neighborhood
Min Down
20%

Amenities

  • High-Rise
  • Pre War
  • Resident Storage
  • Rooftop Terrace
  • Washer/Dryer in building
  • Elevator
  • Outdoor Entertainment Space
  • Laundry Room
  • Bike Room
  • Live-In Superintendent
  • Terraces / Balconies
{ "key" : "AIzaSyDquABdSLhathmwfnoTcYwA1BY6coZZyZk", "lat": 40.7374195, "lng": -73.9804955, "marker": { "icon": "https://img3.cityrealty.com/neo/i/w/amenities/base.png" } }

  1. 6
at Park Ave 0.36 miles
  1. L
at 3rd Ave and 14th 0.43 miles

Pros & Cons

  • Handsome, pre-war buildings
  • Canopied entrances
  • Roof deck
  • Bicycle room
  • Live-in superintendent
  • Not far from FDR Drive
  • Laundry
  • Many apartments
  • No garage
  • No sidewalk landscaping

CityRealty Rating

22
/44
Architecture
+
24
/36
Location
+
9
/39
Features
+
8
Editor’s Points
=
63
CITYREALTY
RATING
  • How is the CityRealty Rating calculated?

    Architecture
    • 30+ remarkable
    • 20-29 distinguished
    • 11-19 average
    • < 11 below average
    Location
    • 27+ remarkable
    • 18-26 distinguished
    • 9-17 average
    • < 9 below average
    Features
    • 22+ remarkable
    • 16-21 distinguished
    • 9-15 average
    • < 9 below average

Sales Summary

Show:
Thinking of selling? See how your apartment compares and who can sell it best. Start here

Sales History by Apartment Size

View Full Closing History
Show:

Pricing Comparison of Similar Buildings

View Detailed Comparison
between Gold Street & Flatbush Avenue Extension
Downtown Brooklyn
Tax-abated condos with panoramic NYC views Studio - 3-bed condos starting from $1M Immediate Occupancy | Call to schedule your tour
Learn More
Brooklyn Point - Skyline View Brooklyn Point - Rooftop Pool View Brooklyn Point - Master Bedroom Brooklyn Point - Living Room Brooklyn Point - Wine Room