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646 West End Avenue, New York, NY 10025 Property Information

646 West End Avenue, New York, NY 10025 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
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646 West End Avenue, New York, NY 10025 2
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Address

Primary address 646 West End Avenue
Secondary address 646 Wea
Neighborhood Upper West Side
Zip code 10025
Borough Manhattan
Block & lot 01239-0004

Sales & Tax Overview for 646 West End Avenue, New York

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Tax class
Estimated property tax $69,731

Lot & Building Information for 646 West End Avenue, New York

Lot sq. ft. 4,550
Lot dimensions 42.25 ft x 100 ft
Property type Walk-up Apartment - Over Six Families with Stores (C7)
Building sqft 15,120
Building dimensions 28 ft x 94 ft
Buildings on lot 1
Stories 5
Year built 1900
Construction type
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Zoning & Use for 646 West End Avenue, New York

Zoning
Residential units (DOF) 18
Regulated units
Commercial units 1
Residential sqft

Area Overview

Walk Score
Transit Score
Bike Score


School district 3
Community district 7
Closest police station 0.52 Miles
Closest fire station 0.50 Miles

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

Other Property Data for 646 West End Avenue, 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 646 West End Avenue, New York, NY 10025, 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 646 West End Avenue, New York, NY 10025, including DOB violations, ECB violations, HPD violations and 311 complaints.

Alternate Addresses

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

  • 646 Wea, New York, NY 10025

About 646 West End Avenue, New York

How many square feet does 646 West End Avenue, New York, NY 10025 have?

This Walk-up Apartment - Over Six Families with Stores (C7) located at 646 West End Avenue, New York, NY 10025 has a total of 15,120 square feet.

What is the year built & the current market value of 646 West End Avenue, New York, NY 10025?

646 West End Avenue, New York, NY 10025 was built in 1900 and has a current tax assessor's market value of $1,707,000.

How many commercial spaces does this building have?

This building has 1 commercial spaces available for lease.

Ownership Information for 646 West End Avenue, New York

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Property owner name for 646 West End Avenue, New York, NY 10025
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Building contacts for 646 West End Avenue, New York, NY 10025
Building management:
Representatives (from permits):
Tenants:
Real Estate Reports:
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Past Sales & Property History for 646 West End Avenue, New York

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No recorded sales for this property.

Title Documents for 646 West End Avenue, 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
12/07/2005 - D
12/16/2005 - R
Zoning Lot Description
(2005120701706001)
12/07/2005 - D
12/16/2005 - R
Certificate
(2005120701691001)
06/06/2001 - D
07/05/2001 - R
Deed
(ft_1980007731398)
11/15/1993 - R Satisfaction of Mortgage
(1610000448961)
05/03/1983 - R Assignment, Mortgage
(1080000029208)
12/17/1979 - R Deed
(1220008617922)
12/17/1979 - R Mortgage
(ft_1230008617923)
07/19/1979 - R Deed
(1280008610028)
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R: Recorded date
D: Document date

Property Taxes for 646 West End Avenue, New York

Access detailed property tax data for 646 West End Avenue, New York, NY 10025. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year: 2025-2026
Property tax: $71,662
Estimated property tax: $69,731
Tax assessor's market value: $1,707,000
Assessed value: $768,150
Exemptions granted by city:

Assessment History for 646 West End Avenue, New York

Here's the assessment & property tax history for 646 West End Avenue, 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 $1,707,000 $768,150 $576,110 12.439% $95,550 $71,662 +3.33%
2024/25 $1,644,000 $739,800 $554,848 12.5% $92,475 $69,356 +3.77%
2023/24 $1,584,000 $712,800 $534,598 12.502% $89,114 $66,835 -16.57%
2022/23 $1,935,000 $870,750 $653,060 12.267% $106,815 $80,111 +10.86%
2021/22 $1,750,000 $787,500 $590,623 12.235% $96,351 $72,263 -10.62%

Permits for 646 West End Avenue, New York

The complete history of permits filed for 646 West End Avenue, 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
01/11/2007 Alteration type 2
10/31/2006 Alteration type 3
12/22/2005 Place of assembly
10/03/2005 Alteration type 1
10/03/2005 Alteration type 1
10/03/2005 Alteration type 1
10/03/2005 Alteration type 2
10/01/1998 Alteration type 3
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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 Broadway & 96th St at SW Corner
Station lines 1-2-3
Distance (miles) 0.115
View subway map
Bus Routes
Name Broadway/W 92 St
Line M104
Distance (miles) 0.057

Neighbors for 646 West End Avenue, New York

Here are the neighbors for 646 West End Avenue, New York, NY 10025.

Address Square feet Purchase date Purchase price
205 W 91st St, New York 11,900 01/12/1996
646 Amsterdam Ave, New York 9,557 05/28/1998
266 W 91st St, New York 4,860 07/02/2024 $4,825,000
261 W 90th St, New York 8,251
203 W 91st St, New York 11,685 01/12/1996
272 W 91st St, New York 5,032 11/09/2023 $7,875,000
210 W 91st St, New York 26,357
203 W 90th St, New York 138,815
634 W End Ave, New York 4,408 10/18/2012
628 W End Ave, New York 5,512 06/30/2008 $1,200,000
201 W 91st St, New York 12,777 01/12/1996
642 Amsterdam Ave, New York 9,557 05/28/1998
644 Amsterdam Ave, New York 9,557 05/28/1998
260 W 91st St, New York 4,720
255 W 91st St, New York 4,675 10/29/2019 $3,200,000
215 W 91st St, New York 150,033 09/03/2015 $825,000
648 Amsterdam Ave, New York 9,557 05/28/1998
215 W 90th St, New York 186,499
267 W 90th St, New York 4,700 02/22/2021
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