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40 East 23rd Street, New York, NY 10010 Property Information

40 East 23rd Street, New York, NY 10010 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
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40 East 23rd Street, New York, NY 10010 2
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Address

Primary address 40 East 23rd Street
Neighborhood Flatiron District
Zip code 10010
Borough Manhattan
Block & lot 00851-0049

Sales & Tax Overview for 40 East 23rd Street, New York

View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.

Purchase date 04/16/2026
Purchase price $7,375,000
Tax class
Estimated property tax $112,784

Lot & Building Information for 40 East 23rd Street, New York

Lot sq. ft. 2,271
Lot dimensions 23 ft x 98.75 ft
Property type Office with Commercial - 1 to 6 Stories (O5)
Building sqft 9,126
Building dimensions 23 ft x 94 ft
Buildings on lot 1
Stories 5
Year built 1925
Year last altered 2010
Construction type
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Zoning & Use for 40 East 23rd Street, New York

Zoning
Commercial units 6
Residential sqft
Office sqft
Retail sqft

Area Overview

Walk Score
Transit Score
Bike Score


School district 2
Community district 5
Closest police station 0.60 Miles
Closest fire station 0.23 Miles

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

Other Property Data for 40 East 23rd Street, New York

New York property reports include comprehensive occupancy, development and violation information. Create a free account to access valuable data points such as:

Floor area ratio (FAR) for 40 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 40 East 23rd Street, New York, NY 10010, including DOB violations, ECB violations, HPD violations and 311 complaints.

About 40 East 23rd Street, New York

How many sq. ft. does 40 East 23rd Street, New York, NY 10010 have & what is the price per sq. ft?

This Office with Commercial - 1 to 6 Stories (O5) located at 40 East 23rd Street, New York, NY 10010 has a total of 9,126 square feet and a current price per square foot of $808.

What is the year built & the current market value of 40 East 23rd Street, New York, NY 10010?

40 East 23rd Street, New York, NY 10010 was built in 1925 and has a current tax assessor's market value of $2,375,000.

How many commercial spaces does this building have?

This building has 6 commercial spaces available for lease.

Ownership Information for 40 East 23rd Street, New York

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Property owner name for 40 East 23rd Street, New York, NY 10010
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Building contacts for 40 East 23rd Street, New York, NY 10010
Building management:
Representatives (from permits):
Tenants:
Real Estate Reports:
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Past Sales & Property History for 40 East 23rd Street, New York

Create a free account to view the complete sales history for 40 East 23rd Street, New York, including title documents, transfer conditions, mortgages, liens, and pre-foreclosures.

Purchase date Purchase price Buyer name Seller name
04/16/2026 $7,375,000

Title Documents for 40 East 23rd Street, New York

To view the complete history of deeds, mortgages, assignments of leases and rents, and more, sign up for free. Available data goes back to 1966.

Date Type Amount Party 1 Party 2 Doc image
05/21/2026 - R Initial UCC1
(2026042000287003)
04/16/2026 - D
05/21/2026 - R
Assignment of Leases and Rents
(2026042000287002)
04/16/2026 - D
05/21/2026 - R
Mortgage
(2026042000287001)
04/16/2026 - D
04/21/2026 - R
Assignment of Leases and Rents
(2026042000117005)
04/16/2026 - D
04/21/2026 - R
Agreement
(2026042000117004)
04/16/2026 - D
04/21/2026 - R
Mortgage
(2026042000117003)
04/16/2026 - D
04/21/2026 - R
Deed
(2026042000117001)
04/10/2026 - D
04/21/2026 - R
Termination of Assign of L&R
(2026042000117006)
04/10/2026 - D
04/21/2026 - R
Assignment, Mortgage
(2026042000117002)
12/07/2023 - D
12/14/2023 - R
Assignment, Mortgage
(2023121300701002)
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R: Recorded date
D: Document date

Property Taxes for 40 East 23rd Street, New York

Access detailed property tax data for 40 East 23rd Street, New York, NY 10010. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year: 2025-2026
Property tax: $115,938
Estimated property tax: $112,784
Tax assessor's market value: $2,375,000
Assessed value: $1,068,750

Assessment History for 40 East 23rd Street, New York

Here's the assessment & property tax history for 40 East 23rd Street, New York, including the evolution of the total tax rate and corresponding property tax.

Year Market value Assessed value Taxable Tax rate % Base tax Property tax Year over year change
2025/26 $2,375,000 $1,068,750 $1,068,750 10.848% $115,938 $115,938 +5.88%
2024/25 $2,261,000 $1,017,450 $1,017,450 10.762% $109,498 $109,498 +23.05%
2023/24 $1,867,000 $840,150 $840,150 10.592% $88,989 $88,989 -30.19%
2022/23 $2,661,000 $1,197,450 $1,197,450 10.646% $127,481 $127,481 -4.94%
2021/22 $2,771,000 $1,246,950 $1,246,950 10.755% $134,109 $134,109 -10.32%

Permits for 40 East 23rd Street, New York

The complete history of permits filed for 40 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
04/20/2026 Alteration CO
05/30/2024 Alteration
03/12/2018 Alteration
12/11/2017 Alteration
11/13/2017 Alteration type 2
07/28/2017 Alteration type 2
06/09/2016 Alteration type 2
10/01/2014 Alteration type 2
06/07/2012 Alteration type 2
06/07/2012 Alteration type 2
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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

Check out recently sold homes in Manhattan and see how their prices compare.

Risk

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

Transportation

Distance to Subway
Closest station Park Ave & 23rd St at SW Corner
Station lines 6
Distance (miles) 0.04
View subway map
Bus Routes
Name E 23 St/Park Av
Line X2
Distance (miles) 0.027

Neighbors for 40 East 23rd Street, New York

Here are the neighbors for 40 East 23rd Street, New York, NY 10010.

Address Square feet Purchase date Purchase price
2-40 Madison Ave, New York 3,800
380 Park Ave S, New York 1,159,795 01/06/2006 $15,792,259
185 Madison Ave, New York 79,961 03/06/1998
135 5th Ave, New York 30,370 02/02/2019 $8,730,000
39 Union Sq W, New York 4,275 12/21/2009
11 E 22nd St, New York 17,098
32 E 22nd St, New York 8,900 11/21/2024 $10,450,000
6 E 17th St, New York 11/15/2001
34 E 21st St, New York 03/10/1993
25 E 22nd St, New York 16,894 01/25/2024 $27,000,000
42 E 20th St, New York 66,566
37 Union Sq W, New York 19,434 06/24/2024 $16,500,000
109 E 16th St, New York 288,402 12/17/1973
6 E 20th St, New York 05/20/2016 $13,000,000
295 5th Ave, New York 614,040 01/20/1970
40 Irving Pl, New York 370,000
225 Park Ave S, New York 455,451 06/29/2015 $1,081,763
101 E 15th St, New York 14,081 01/08/1997
32 Union Sq, New York 145,772 12/16/2016 $6,124
200 Park Ave S, New York 237,139 03/22/2000
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