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The Foundry - 310 East 23rd Street, New York, NY 10010 Property Information

Also known as: 312 E 23rd St, New York, NY 10010

The Foundry - 310 East 23rd Street, New York, NY 10010 Property Information

Also known as: 312 E 23rd St, New York, NY 10010

  • General
  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
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The Foundry - 310 East 23rd Street, New York, NY 10010 2
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Address

Building name The Foundry
Primary address The Foundry - 310 East 23rd Street
Secondary address 304-310 E 23rd St
Neighborhood Gramercy Park
Zip code 10010
Borough Manhattan
Block & lot 00928-7502

Sales & Tax Overview for 310 East 23rd Street, New York

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Tax class

Lot & Building Information for 310 East 23rd Street, New York

Lot sq. ft. 12,344
Lot dimensions 125 ft x 98.75 ft
Property type Special Condominium Billing Lot (R0)
Building sqft 125,537
Buildings on lot 2
Stories 12
Year built 1901
Year last altered 1984
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Zoning & Use for 310 East 23rd Street, New York

Zoning
Residential units (DOF) 134
Regulated units
Commercial units 6
Residential sqft
Retail sqft

Area Overview

Walk Score
Transit Score
Bike Score


School district 2
Community district 6
Closest police station 0.82 Miles
Closest fire station 0.29 Miles

View more neighborhood information such as transportation, nearby schools and risk designations in the dedicated tab.

Other Property Data for 310 East 23rd Street, New York

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Floor area ratio (FAR) for The Foundry - 310 East 23rd Street, New York, NY 10010, including commercial and residential FAR, FAR as built and usable floor area.
Development maps such as planimetric, zoning, urban landscape, and HPD alternative enforcement program maps.
Violations for The Foundry - 310 East 23rd Street, New York, NY 10010, including DOB violations, ECB violations, HPD violations and 311 complaints.

Alternate Addresses

You will find all alternate addresses for the property in this section.

  • 304-310 E 23rd St, New York, NY 10010
  • 312 E 23rd St, New York, NY 10010

About 310 East 23rd Street, New York

What is the year built & the total sq. ft. for The Foundry - 310 East 23rd Street, New York, NY 10010?

The Foundry - 310 East 23rd Street, New York, NY 10010 was built in 1901 and has a total of 125,537 square feet.

How many residential units does this building have?

This building has 134 residential unit(s) and 6 commercial spaces.

Ownership Information for 310 East 23rd Street, New York

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Property owner name for The Foundry - 310 East 23rd Street, New York, NY 10010
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Building contacts for The Foundry - 310 East 23rd Street, New York, NY 10010
Building management:
Representatives (from permits):
Tenants:
Real Estate Reports:
Eliza Theiss, Apr 23, 2026 $4.6M Hudson Yards Maintains Top Spot, Luxury Sales in Malba Set $2.5M Price Record for Queens
Despite prices declining, Hudson Yards remained the most expensive NYC neighborhood, but TriBeCa’s growth closed the gap to under $400,000, while Malba set a new historic price record for Queens at $2.5 million, securing the highest ranking ever for the borough at #5.
Eliza Theiss, Mar 19, 2026 Cheaper in the City? Nearly 100 Communities in Suburban NYC Surpass $1M
New Yorkers planning a move to the suburbs increasingly find their options limited, after suburban home values shot up twice as fast as NYC medians over the last decade. While larger homes and better prices were long the norm outside the five boroughs, today, many NYC buyers find their option restricted to a handful of suburban markets.
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Past Sales & Property History for 310 East 23rd Street, New York

Create a free account to view the complete sales history for 310 East 23rd Street, New York, including title documents, transfer conditions, mortgages, liens, and pre-foreclosures.

No recorded sales for this property.

Title Documents for 310 East 23rd Street, New York

Data not available for this property.

Assessment History for 310 East 23rd Street, New York

Data not available for this property.

Permits for 310 East 23rd Street, New York

The complete history of permits filed for 310 East 23rd Street, New York, including new construction or demolition permits, plus any work pertaining to plumbing, heating and sprinkler systems is available with a free account. Available data goes back to 1990.

Filing date Job type Job status Job description Initial cost
01/20/2025 Alteration
09/10/2024 Alteration
09/03/2024 Alteration
07/29/2024 Alteration
07/23/2024 Alteration
07/23/2024 Alteration
05/17/2024 Alteration
05/17/2024 Alteration
05/13/2024 Alteration
05/06/2024 Alteration
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Manhattan Commercial Market Stats

Access a detailed real estate market overview of Manhattan so you can assess current trends, property values, types of properties sold and transaction volume. View the median price per sqft in Manhattan and compare it to other boroughs in New York City.

Median Price/Sqft Q1/2026
$797
19.7% YoY
Median Price/Sqft Q4/2025
$606
-17.5% YoY
Median Price/Sqft 2025
$656
-5.9% YoY

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Risk

FEMA flood zone(s): X (See more on map)
Hurricane evacuation zone: 3 (See more on map)

Transportation

Distance to Subway
Closest station Park Ave & 23rd St at NE Corner
Station lines 6
Distance (miles) 0.352
View subway map
Bus Routes
Name E 23 ST/2 Av
Line M9
Distance (miles) 0.019

Neighbors for 310 East 23rd Street, New York

Here are the neighbors for The Foundry - The Foundry - 310 East 23rd Street, New York, NY 10010.

Address Square feet Purchase date Purchase price
334 E 25th St, New York 37,800 02/07/1994
383 1st Ave, New York 26,769 09/11/2015 $18,500,000
335 E 22nd St, New York 6,095 06/18/2025 $3,400,000
320 E 23rd St, New York 153,800 09/30/1993
341 E 22nd St, New York 6,295 05/05/2016 $6,270,000
301 E 22nd St, New York 189,616 05/24/1985
319 E 24th St, New York 265,541 11/14/1972
330 E 25th St, New York 9,595
321 E 22nd St, New York 81,500 08/31/2017 $60,928,000
312 E 22nd St, New York 20,425
345 E 24th St, New York 180,102 07/07/1975
421 1st Ave, New York 87,515
328 E 25th St, New York 5,375 04/15/1997
340 E 24th St, New York 157,512 11/03/2016 $174,000,000
310 E 24th St, New York 44,835 02/04/2009
305 E 24th St, New York 392,100 11/08/1984
326 E 25th St, New York 7,220 03/10/1988
379 1st Ave, New York 6,110
377 1st Ave, New York 6,183 10/23/2015 $6,000,000
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