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923 5th Avenue #1B, New York, NY 10021 Property Information

923 5th Avenue #1B, New York, NY 10021 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
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923 5th Avenue #1B, New York, NY 10021 2
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Address

Primary address 923 5th Avenue #1B
Secondary address 1 E 73rd St
Neighborhood Lenox Hill
Zip code 10021
Borough Manhattan
Block & lot 01388-1003

Sales & Tax Overview for 923 5th Avenue #1B, New York

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Tax class

Lot & Building Information for 923 5th Avenue #1B, New York

Lot sq. ft. 14,800
Property type Office Space (RB)
Building sqft 759
Buildings on lot 1
Year built 1982
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Zoning & Use for 923 5th Avenue #1B, New York

Commercial units 1

Area Overview

Walk Score
Transit Score
Bike Score


School district 2
Community district 8
Closest police station 0.40 Miles
Closest fire station 0.39 Miles

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

Unit Overview

Unit # 1B
Square feet 759
Condo complex 100104

Other Property Data for 923 5th Avenue #1B, 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 923 5th Avenue #1B, New York, NY 10021, 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 923 5th Avenue #1B, New York, NY 10021, including DOB violations, ECB violations, HPD violations and 311 complaints.

Alternate Addresses

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

  • 1 E 73rd St, New York, NY 10021

About 923 5th Avenue #1B, New York

How many square feet does 923 5th Avenue #1B, New York, NY 10021 have?

This Office Space (RB) located at 923 5th Avenue #1B, New York, NY 10021 has a total of 759 square feet.

What is the year built & the current market value of 923 5th Avenue #1B, New York, NY 10021?

923 5th Avenue #1B, New York, NY 10021 was built in 1982 and has a current tax assessor's market value of $373,352.

How many commercial spaces does this building have?

This building has 1 commercial spaces available for lease.

Ownership Information for 923 5th Avenue #1B, New York

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Property owner name for 923 5th Avenue #1B, New York, NY 10021
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Building contacts for 923 5th Avenue #1B, New York, NY 10021
Building management:
Representatives (from permits):
Tenants:
Real Estate Reports:
Laura Pop-Badiu, Jun 11, 2026 NYC Business Leaders on RTO: Survey Reveals Hybrid Still Dominates, Office Attendance Set to Rise
Huble’s recent survey of 126 founders, CEOs and other decision-makers in New York City’s startup ecosystem revealed how local business leaders are approaching workplace strategy in 2026 and beyond.
Lucian Alixandrescu, May 27, 2026 NYC Office Market Ahead of National Curve: Manhattan Q1 Vacancy Drops to 13.1% 
New York City’s office market outpaced the U.S. on several major metrics in Q1, with Manhattan vacancy nearly 5 percentage points below the national benchmark, asking rents climbing against a downward national trend and flex inventory crossing 15 million square feet.
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Past Sales & Property History for 923 5th Avenue #1B, New York

Create a free account to view the complete sales history for 923 5th Avenue #1B, New York, including title documents, transfer conditions, mortgages, liens, and pre-foreclosures.

No recorded sales for this property.

Title Documents for 923 5th Avenue #1B, 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
12/23/2021 - R
07/28/2021 - D
Maps
(2021121000676002)
12/23/2021 - R
07/28/2021 - D
Amended Condo Declaration
(2021121000676001)
09/12/2011 - R
05/02/2011 - D
Amended Condo Declaration
(2011072900345001)
11/30/2010 - R
10/25/2010 - D
Maps
(2010110500055002)
11/30/2010 - R
07/20/2010 - D
Amended Condo Declaration
(2010110500055001)
11/21/2006 - R
09/12/2006 - D
Amended Condo Declaration
(2006092200868002)
11/21/2006 - R
09/12/2006 - D
Amended Condo Declaration
(2006092200868001)
10/19/2000 - R Discharge of Tax Lien
(1860007377486)
08/05/1998 - R Assignment, Mortgage
(1310006191931)
07/01/1998 - R Assignment, Mortgage
(1520006129652)
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R: Recorded date
D: Document date

Property Taxes for 923 5th Avenue #1B, New York

Access detailed property tax data for 923 5th Avenue #1B, New York, NY 10021. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year: 2026-2027
Property tax: $17,457
Tax assessor's market value: $373,352
Assessed value: $168,008

Assessment History for 923 5th Avenue #1B, New York

Here's the assessment & property tax history for 923 5th Avenue #1B, 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 $361,057 $162,476 $154,729 10.848% $16,785 $16,785 -1.85%
2024/25 $353,110 $158,900 $158,900 10.762% $17,101 $17,101 -1.33%
2023/24 $363,606 $163,623 $163,623 10.592% $17,331 $17,331 +7.37%
2022/23 $336,917 $151,613 $151,613 10.646% $16,141 $16,141 +9.51%
2021/22 $304,530 $137,038 $137,039 10.755% $14,739 $14,739 -20.53%

Permits for 923 5th Avenue #1B, New York

The complete history of permits filed for 923 5th Avenue #1B, 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.

No recorded permits for this property.

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.

Transportation

Distance to Subway
Closest station Lexington Ave & 77th St at SW Corner
Station lines 6
Distance (miles) 0.311
View subway map

Neighbors for 923 5th Avenue #1B, New York

Here are the neighbors for 923 5th Avenue #1B, New York, NY 10021.

Address Square feet Purchase date Purchase price
167 Front St, New York 05/06/1996
514 W 167th St, New York 09/06/1991
30 Ellwood St, New York 43,248 02/06/2018 $10,125,000
13 Hamilton Ter, New York 49,616 12/30/1998
645 Madison Ave, New York 164,615 04/29/2022 $196,592,300
121 E 92nd St, New York 1,992 04/22/2025 $3,800,000
3 E 28th St, New York 61,968 05/22/2000
245 E 32nd St, New York 4,074 06/07/2021
186 E 64th St, New York 11,169 03/27/2019 $24,743,672
18 W 125th St, New York 7,490 04/01/2014 $3,000,000
38 Orchard St, New York 5,047 09/02/2005 $1,050,000
71 Broadway, New York 1,980 12/09/2011
25 Union Sq W, New York 238,204 01/05/1989
2874-2878 Broadway, New York 2,930 03/09/1992
20 Beekman Pl, New York 98,808 11/15/2001
202 E 35th St, New York 3,340 12/17/2009 $10
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