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

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

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

Primary address 34 East 23rd Street
Neighborhood Flatiron District
Zip code 10010
Borough Manhattan
Block & lot 00851-0052

Sales & Tax Overview for 34 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.

Tax class
Estimated property tax $159,071

Lot & Building Information for 34 East 23rd Street, New York

Lot sqft 2,173
Lot dimensions 22 ft x 98.75 ft
Building class Office with Commercial - 1 to 6 Stories (O5)
Building sqft 10,975
Building dimensions 22 ft x 94 ft
Buildings on lot 1
Stories 6
Year built 1915
Construction type
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Zoning & Use for 34 East 23rd Street, New York

Zoning
Commercial units 10
Office sqft
Retail sqft

Area Overview

Walk Score
Transit Score
Bike Score


School district 2
Community district 5
Closest police station 0.59 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 34 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 34 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 34 East 23rd Street, New York, NY 10010, including DOB violations, ECB violations, HPD violations and 311 complaints.

About 34 East 23rd Street, New York

How many square feet does 34 East 23rd Street, New York, NY 10010 have?

This Office with Commercial - 1 to 6 Stories (O5) located at 34 East 23rd Street, New York, NY 10010 has a total of 10,975 square feet.

What is the year built & the current market value of 34 East 23rd Street, New York, NY 10010?

34 East 23rd Street, New York, NY 10010 was built in 1915 and has a current tax assessor's market value of $3,347,000.

How many commercial spaces does this building have?

This building has 10 commercial spaces available for lease.

Ownership Information for 34 East 23rd Street, New York

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Property owner name for 34 East 23rd Street, New York, NY 10010
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Building contacts for 34 East 23rd Street, New York, NY 10010
Building management:
Representatives (from permits):
Tenants:
Real Estate Reports:
Laura Pop-Badiu, Dec 11, 2025 How to Build Property Owner Lists: Steps, Pro Tips & What to Avoid
In this guide, we’ll walk you step by step through how to build property owner lists inside the PropertyShark platform, how to customize them for your goals and how to avoid common mistakes.
Laura Pop-Badiu, Sep 10, 2025 How to Find Comps for Commercial Real Estate: A Step-by-Step GuideĀ 
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Past Sales & Property History for 34 East 23rd Street, New York

Create a free account to view the complete sales history for 34 East 23rd Street, New York, including title documents, transfer conditions, mortgages, liens, and pre-foreclosures.

No recorded sales for this property.

Title Documents for 34 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
09/11/2017 - D
09/12/2017 - R
Certificate
(2017091101210001)
09/07/2017 - D
09/12/2017 - R
Zoning Lot Description
(2017091101210002)
09/01/2016 - D
09/28/2016 - R
Sundry Agreement
(2016092300510001)
09/01/2016 - D
09/19/2016 - R
Sundry Agreement
(2016090700637003)
09/01/2016 - D
09/19/2016 - R
Agreement
(2016090700637002)
09/01/2016 - D
09/19/2016 - R
Sundry Miscellaneous
(2016090700637001)
11/15/2001 - D
05/09/2002 - R
Deed
(1710008380771)
05/09/1990 - R Satisfaction of Mortgage
(1240000340924)
04/10/1980 - R Deed
(1250008623825)
01/29/1980 - R Assignment, Mortgage
(1760008620376)
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R: Recorded date
D: Document date

Property Taxes for 34 East 23rd Street, New York

Access detailed property tax data for 34 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: $149,475
Estimated property tax: $159,071
Tax assessor's market value: $3,347,000
Assessed value: $1,506,150

Assessment History for 34 East 23rd Street, New York

Here's the assessment & property tax history for 34 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 $3,347,000 $1,506,150 $1,377,900 10.848% $149,475 $149,475 -0.67%
2024/25 $3,251,000 $1,462,950 $1,398,330 10.762% $150,488 $150,488 -0.26%
2023/24 $3,172,000 $1,427,400 $1,424,520 10.592% $150,885 $150,885 +5.34%
2022/23 $2,990,000 $1,345,500 $1,345,500 10.646% $143,242 $143,242 +16.07%
2021/22 $2,550,000 $1,147,500 $1,147,500 10.755% $123,414 $123,414 -16.93%

Permits for 34 East 23rd Street, New York

The complete history of permits filed for 34 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
10/20/2021 Alteration
06/24/2021 Alteration
06/09/2021 Alteration
03/18/2021 Alteration
03/18/2021 Alteration
03/08/2021 Alteration
03/03/2021 Alteration
03/03/2021 Alteration
04/25/2018 Alteration
04/24/2018 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
$680
4.4% YoY
Median Price/Sqft Q4/2025
$550
-15.8% YoY
Median Price/Sqft 2025
$607
-2.5% 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) 0.054
View subway map
Bus Routes
Name E 23 St/Madison Av
Distance (miles) 0.027

Neighbors for 34 East 23rd Street, New York

Here are the neighbors for 34 East 23rd Street, New York, NY 10010.

Address Square feet Purchase date Purchase price
10 E 22nd St, New York 10,250
38 E 23rd St, New York 8,216 04/22/1999
42 E 23rd St, New York 17,078 10/04/1993
304 Park Ave S, New York 183,815 11/01/2017 $28,050,000
16 E 23rd St, New York 13,837 07/17/1981
14 E 23rd St, New York 7,526 03/17/2004 $3,670,000
36 E 23rd St, New York 24,038 12/07/2000
24 E 22nd St, New York 17,840
30 E 23rd St, New York 22,512 05/19/2017
28 E 23rd St, New York 2,470 11/15/2001
27 E 22nd St, New York 29,065
5 Madison Ave, New York 252,109 10/09/2025 $231,210,000
300 Park Ave S, New York 168,200 11/01/2017 $28,050,000
21 E 22nd St, New York 149,276 06/30/1982
18 E 23rd St, New York 10,889 12/15/2017 $13,500,000
10 E 23rd St, New York 25,170 01/29/1980
33 E 22nd St, New York 32,415 04/30/2015 $590,000
32 E 23rd St, New York 4,688 11/15/2001
26 E 23rd St, New York 4,800 05/14/2008 $1,500,000
175 5th Ave, New York 183,449 10/25/2023 $40,250,000
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