New York City  »  10025  »  W End Ave  »  639 W End Ave

639 West End Avenue, New York, NY 10025 - Property report

Also known as: 301 W 91st St

Property image for 639 West End Avenue, New York, NY 10025
static Mapbox map

Property type

Elevator Apartments Cooperatives Building (Other than Condominiums) (XD4)

Year built

1927

Lot sq. ft.

6,800

General information

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Address
Primary address
639 West End Avenue
Alternate address(es)
301 W 91st St
639 Wea
ZIP code
10025
Neighborhood
Upper West Side
Borough
Manhattan
Block & lot
01251-0054

Owner

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Building
Property type
Elevator Apartments Cooperatives Building (Other than Condominiums) (XD4)
Building sq. ft.
88,396
Building dimensions
65 ft x 90 ft
Buildings on lot
1
Stories
15
Year built
1927
Last altered
1983
Tax
Tax year
2026-2027
Property tax
$811,902
Tax class
Floor area ratio (FAR)
Commercial FAR
Residential FAR
Buildable area
Zoning & Use
Zoning
Residential units
63
Residential sq. ft.
Lot
Frontage(s)
West End Avenue (wide)
West 91 Street (narrow)
Lot dimensions
64.58 ft x 100 ft
Lot sq. ft.
6,800

Area overview

Walk score
93 /100.  Walker's Paradise
Transit score
100 /100.  Rider's Paradise
Bike score
82 /100.  Very Bikeable
School district
3
Community district
7
Closest police station
0.55 Miles
Closest fire station
0.51 Miles

View more such as transportation, nearby schools and risk designations.

Units for 639 West End Avenue, New York, NY

Unit Sale date Sale price Sq. ft. Price/Sq. ft.
Unit 10A
Unit 10A,B 08/15/2023
Unit 10B 12/14/2012
Unit 10C 06/07/2022
Unit 10D 07/07/2016
Unit 11A 08/31/2016
Unit 11B 01/11/2023
Unit 11C 04/18/2018
Unit 11D 04/18/2018
Unit 12A
Unit 12A,B 08/12/2020
Unit 12B 08/09/2007 1,200
Unit 12C 02/08/2021
Unit 14A
Unit 14A,B
Unit 14B
Unit 14C 05/16/2005
Unit 14C,D 06/08/2018
Unit 14D
Unit 15A
Unit 15B
Unit 15C 10/01/2012 708
Unit 15D 01/05/2006 1,100
Unit 16B 11/07/2025
Unit 16C
Unit 16D 01/28/2026
Unit 1A 12/02/2015
Unit 1C 04/29/2026 750
Unit 1D 03/28/2024
Unit 1L 08/01/2019
Unit 2A 04/02/2024 1,600
Unit 2B 11/25/2024
Unit 2C 11/19/2021 650
Unit 2D 08/28/2018 1,100
Unit 3A 05/10/2023 1,600
Unit 3B 01/15/2026
Unit 3C 10/24/2018 720
Unit 3D
Unit 4A 05/20/2011 1,600
Unit 4C 05/08/2013 760
Unit 4D-5D 02/09/2022
Unit 5A 02/04/2026
Unit 5B 12/17/2025 1,300
Unit 5C 10/01/2024
Unit 6A 10/22/2020
Unit 6D 08/15/2012 900
Unit 7A
Unit 7B
Unit 7C,D 07/11/2025
Unit 7D
Unit 7E
Unit 8A 10/29/2024
Unit 8C 09/14/2016
Unit 8D
Unit 9B 06/01/2012 1,300
Unit 9C 12/23/2004
Unit 9C,D
Unit 9D 12/02/2004
Unit PHA
Unit PHB
Unit PHB,16C

Ownership information for 639 West End Avenue, New York, NY

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Property owner name
Registered owner
Source
Deed
Owner contact information
Phone number
Owner address

Sales history for 639 West End Avenue, New York, NY 10025

No recently recorded sales for this property.

More about New York City property records.

Title documents

Date Type Amount Party 1 Party 2
03/25/2026 - R UCC3 Continuation
(2026032500303001)
XXX XXXXXXXXXX XXXX XXXXXXXXX XXXX XXXXXXXXX XX
06/13/2025 - R UCC3 Continuation
(2025061300516001)
XXX XXXXXXXXXX XXXX XXXXXXXXX XXXX XXXXXXXXX XXXXXXX
07/12/2021 - R Initial UCC1
(2021070601021002)
XXX XXXXXXXXXX XXXX XXXXXXXXX XXXX XXXXXXXXX XXXXXXX
07/12/2021 - R
06/30/2021 - D
Mortgage
(2021070601021001)
XXX XXXXXXXXXX XXXX XXXXXXXXX XXXX XXXXXXXXX XXXXXXX
09/02/2020 - R Initial UCC1
(2020090200265001)
XXX XXXXXXXXXX XXXX XXXXXXXXX XXXX XXXXXXXXX XXXXXXX
03/24/2016 - R UCC3 Termination
(2016031000784001)
XXXXX XXXXXXX X XXXXXXXXX XXXX X X
11/06/2015 - R
10/30/2015 - D
Agreement
(2015110200796006)
XXX XXXXXXXXXX XXXX XXXXXXXXX XXXX XXXXXXXXX XXXXXXX
11/06/2015 - R
10/30/2015 - D
Mortgage
(2015110200796005)
XXX XXXXXXXXXX XXXX XXXXXXXXX XXXX XXXXXXXXX XXXXXXX
11/06/2015 - R
10/30/2015 - D
Termination of Assign of L&R
(2015110200796003)
XXXXX XXXXX XXXX X X XXX XXXXXXXXXX XXXX
11/06/2015 - R
10/30/2015 - D
Assignment, Mortgage
(2015110200796002)
XXXXX XXXX XXX XXXXXXX XXXXXXXXX XXXX XXXXXXXXX XXXXXXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Property taxes for 639 West End Avenue, New York, NY

Property tax data includes tax amount, market value and assessed value, exemptions, abatements and assessment history.

Current property tax
Tax year
2025-2026
Property tax
$811,902
Municipal exemptions
Recent tax assessments
Market value
$20,411,000
Assessed value
$9,184,950

Assessment history

See the assessment and property tax history, including the evolution of the total tax rate and corresponding property tax amount.

Tax year Market value Assessed value Taxable amount Tax rate Base tax Property tax Y-o-Y change
2025/26 $18,095,000 $8,142,750 $7,105,400 12.439% $885,835 $741,452 +3.95%
2024/25 $16,348,000 $7,356,600 $6,772,510 12.5% $849,735 $713,289 +2.82%
2023/24 $15,955,000 $7,179,750 $6,682,800 12.502% $839,170 $693,693 +2.22%
2022/23 $15,100,000 $6,795,000 $6,587,070 12.267% $811,992 $678,596 +10.00%
2021/22 $13,629,000 $6,133,050 $6,100,190 12.235% $750,379 $616,918 -20.26%
2020/21 $15,313,000 $6,890,850 $6,306,940 12.267% $777,579 $773,672 +5.06%
2019/20 $15,397,000 $6,928,650 $5,904,100 12.473% $740,571 $736,418 +6.77%
2018/19 $14,922,000 $6,714,900 $5,468,800 12.612% $695,974 $689,725 +5.35%
2017/18 $12,799,000 $5,759,550 $5,147,560 12.719% $662,077 $654,718 +1.77%
2016/17 $12,626,000 $5,681,700 $4,990,030 12.892% $651,027 $643,315 +5.61%

Permit information for 639 West End Avenue, New York, NY

Filing date Job type Job status Job description Initial cost
07/01/2026 Alteration
05/13/2026 Alteration
12/09/2025 Alteration
12/02/2025 Alteration
12/01/2025 Alteration

*Most recent permits on record for this property.

More about New York City property records

HPD Violations

Violation ID Inspection date Class NOV issue date Status
10/25/2019 I
04/26/2019 A
04/26/2019 A

*Most recent HPD violations on record for this property.

Upper West Side residential market stats

Access a detailed real estate market overview of Upper West Side so you can assess current trends, home values, types of properties sold and transaction volume. View the median home sale price in Upper West Side and compare it to other neighborhoods in Manhattan.

Median sale price

$1,527,500

15.3% Y-o-Y

Median price/sq. ft.

$1,556

8.6% Y-o-Y

Manhattan median sale price

$1,260,000

5.4% Y-o-Y

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

Risk

Create a free account to unlock expanded risk information, such as crime incidents in the area, tsunami and landslides risks, or its location relative to FEMA flood zones and the Coastal Barriers Resources System Area (COBRA).

FEMA flood zones

Property location map
FEMA flood zones
X

Hurricane evacuation zones

Property location map
Hurricane evacuation zones
-

Subway & traffic

Closest station
Broadway & 96th St at SW Corner
Station lines
1-2-3
Distance (miles)
0.143

Access the detailed traffic volume map for 639 West End Avenue, New York, NY 10025 to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity. View daily traffic map

Schools

Nearest elementary schools

Name Rating Att. zoned Type Grade range No of students Distance (miles)
P.S. 84 Lillian Weber 7 Yes Public PK, K-5 587 0.45
P.S. 84 Lillian Weber 7 Yes Public PK, K-5 587 0.45
West Side Montessori School NR No Private PK-K 234 0.05
West Side Montessori School NR No Private PK-K 234 0.05
Yeshiva Ketana Of Manhattan NR No Private PK-8 120 0.16
Yeshiva Ketana Of Manhattan NR No Private PK-8 120 0.16
P.S. 75 Emily Dickinson 6 No Public K-5 412 0.22
Stephen Gaynor School NR No Private 390 0.24
P.S. 333 Manhattan School For Children 6 No Public K-8 434 0.26
Nearest middle schools

Name Rating Att. zoned Type Grade range No of students Distance (miles)
Yeshiva Ketana Of Manhattan NR No Private PK-8 120 0.16
Ms 250 West Side Collaborative Middle School 3 No Public 6-8 75 0.22
Stephen Gaynor School NR No Private 390 0.24
St. Gregory the Great School NR No Private PK, K-8 205 0.24
Trinity School NR No Private K-12 1,001 0.26
P.S. 333 Manhattan School For Children 6 No Public K-8 434 0.26
Community Action School Ms 258 5 No Public 6-8 122 0.26
Lafayette Academy 8 No Public 6-8 160 0.26
The Geneva School of Manhattan NR No Private PK-8 274 0.26
Nearest high schools

Name Rating Att. zoned Type Grade range No of students Distance (miles)
St. Agnes Boys High School NR No Private 9-12 250 0.22
Stephen Gaynor School NR No Private 390 0.24
Trinity School NR No Private K-12 1,001 0.26
Manhattan Children's Center (The) NR No Private 115 0.32
The Manhattan Children's Center NR No Private 0 0.34
The Global Learning Collaborative 5 No Public 9-12 407 0.45
Urban Assembly School for Green Careers 4 No Public 9-12 310 0.45
Innovation Diploma Plus 1 No Public 10-12 107 0.45
Frank McCourt High School 5 No Public 9-12 419 0.45
P.S. 811 Mickey Mantle School NR No Public PK, K-11 466 0.46

Data provided by GreatSchools.org © 2026. All rights reserved.

Frequently asked questions

What is the year built for 639 West End Avenue, New York, NY 10025?

The development at 639 West End Avenue, New York, NY 10025 was built in 1927.

What is the total square footage of 639 West End Avenue, New York, NY 10025?

639 West End Avenue, New York, NY 10025 has a total of 88,396 square feet.

What is the assessed value of 639 West End Avenue, New York, NY 10025?

639 West End Avenue, New York, NY 10025 is currently assessed at $9,184,950.

What are the property taxes for 639 West End Avenue, New York, NY 10025?

The property taxes for 639 West End Avenue, New York, NY 10025 total $960,107.

How many residential units does this building have?

This building has 63 residential unit(s).

Disclaimer

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Do not rely on this report to support investment decisions. The only authoritative source for the information in this report is the government agencies from which the data was acquired.

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