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45 West 21st Street, New York, NY 10010 Property Information

45 West 21st Street, New York, NY 10010 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
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45 West 21st Street, New York, NY 10010 2
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Address

Primary address 45 West 21st Street
Secondary address 45-51 W 21st St
Neighborhood Flatiron District
Zip code 10010
Borough Manhattan
Block & lot 00823-0010

Sales & Tax Overview for 45 West 21st Street, New York

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Tax class
Estimated property tax $658,830

Lot & Building Information for 45 West 21st Street, New York

Lot sq. ft. 10,820
Lot dimensions 110.42 ft x 98.75 ft
Property type Office with Commercial - 1 to 6 Stories (O5)
Building sqft 70,000
Building dimensions 110 ft x 97 ft
Buildings on lot 1
Stories 6
Year built 1915
Construction type
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Zoning & Use for 45 West 21st Street, New York

Zoning
Commercial units 23
Office sqft
Retail sqft
Conversion feasibility index

Area Overview

Walk Score
Transit Score
Bike Score


School district 2
Community district 5
Closest police station 0.30 Miles
Closest fire station 0.19 Miles

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

Other Property Data for 45 West 21st 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 45 West 21st 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 45 West 21st 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.

  • 45-51 W 21st St, New York, NY 10010

About 45 West 21st Street, New York

How many square feet does 45 West 21st Street, New York, NY 10010 have?

This Office with Commercial - 1 to 6 Stories (O5) located at 45 West 21st Street, New York, NY 10010 has a total of 70,000 square feet.

What is the year built & the current market value of 45 West 21st Street, New York, NY 10010?

45 West 21st Street, New York, NY 10010 was built in 1915 and has a current tax assessor's market value of $13,409,000.

How many commercial spaces does this building have?

This building has 23 commercial spaces available for lease.

Ownership Information for 45 West 21st Street, New York

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Property owner name for 45 West 21st Street, New York, NY 10010
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Building contacts for 45 West 21st Street, New York, NY 10010
Building management:
Representatives (from permits):
Tenants:
Real Estate Reports:
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Past Sales & Property History for 45 West 21st Street, New York

Create a free account to view the complete sales history for 45 West 21st Street, New York, including title documents, transfer conditions, mortgages, liens, and pre-foreclosures.

No recorded sales for this property.

Title Documents for 45 West 21st 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
06/11/2019 - R UCC3 Continuation
(2019061100164001)
08/08/2014 - R Initial UCC1
(2014080100873005)
07/24/2014 - D
08/08/2014 - R
Assignment of Leases and Rents
(2014080100873004)
07/24/2014 - D
08/08/2014 - R
Agreement
(2014080100873003)
07/24/2014 - D
08/08/2014 - R
Mortgage
(2014080100873002)
07/24/2014 - D
08/08/2014 - R
Assignment, Mortgage
(2014080100873001)
08/22/2006 - D
09/14/2006 - R
Initial UCC1
(2006082501177004)
08/22/2006 - D
09/14/2006 - R
Agreement
(2006082501177003)
08/22/2006 - D
09/14/2006 - R
Mortgage
(2006082501177002)
08/22/2006 - D
09/14/2006 - R
Assignment, Mortgage
(2006082501177001)
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R: Recorded date
D: Document date

Property Taxes for 45 West 21st Street, New York

Access detailed property tax data for 45 West 21st 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: $635,565
Estimated property tax: $658,830
Tax assessor's market value: $13,409,000
Assessed value: $6,034,050

Assessment History for 45 West 21st Street, New York

Here's the assessment & property tax history for 45 West 21st 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 $13,409,000 $6,034,050 $5,858,820 10.848% $635,565 $635,565 +8.08%
2024/25 $12,143,000 $5,464,350 $5,464,350 10.762% $588,073 $588,073 -11.63%
2023/24 $14,884,000 $6,697,800 $6,282,810 10.592% $665,475 $665,475 +4.44%
2022/23 $13,300,000 $5,985,000 $5,985,000 10.646% $637,163 $637,163 +15.87%
2021/22 $11,362,000 $5,112,900 $5,112,900 10.755% $549,892 $549,892 -11.67%

Permits for 45 West 21st Street, New York

The complete history of permits filed for 45 West 21st 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
08/19/2024 Alteration
08/16/2024 Alteration
08/08/2024 Alteration
08/08/2024 Alteration
05/28/2024 Alteration
02/06/2024 Alteration
04/13/2023 Alteration
03/03/2023 Alteration
12/15/2022 Alteration
12/05/2022 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

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 6th Ave & 23rd St at SE Corner
Station lines F-M
Distance (miles) 0.085
View subway map
Bus Routes
Name Av of the Americas/W 20 St
Line M7
Distance (miles) 0.062

Neighbors for 45 West 21st Street, New York

Here are the neighbors for 45 West 21st Street, New York, NY 10010.

Address Square feet Purchase date Purchase price
11 W 26th St, New York 6,139 12/11/2012 $4,400,000
542 6th Ave, New York 7,108
155 W 35th St, New York 813
172 5th Ave, New York 13,060 08/27/2014 $24,726,000
6 W 24th St, New York 6,416 11/09/1989
55 W 25th St, New York 428,340 02/05/1996
242 5th Ave, New York 12,162 12/19/2012 $10,275,000
1350 Broadway, New York 409,500 10/07/2013 $46,944,056
206 5th Ave, New York 15,171 05/04/1998
4 W 21st St, New York 119,136 06/27/2014 $2,150,000
1 Herald Sq, New York
682 6th Ave, New York 16,965 02/20/1981
152 W 34th St, New York 10,100 07/10/2008
2 W 25th St, New York 900
25 W 25th St, New York 01/01/2014
9 W 20th St, New York 26,154
666 6th Ave, New York 4,460 04/01/2004
35 W 19th St, New York 13,050 04/07/1975
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