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20 West 84th Street #4a, New York, NY 10024 Property Information

20 West 84th Street #4a, New York, NY 10024 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
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20 West 84th Street #4a, New York, NY 10024 3
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Address

Primary address 20 West 84th Street #4a
Secondary address 18-24 W 84th St
Neighborhood Upper West Side
Zip code 10024
Borough Manhattan
Block & lot 01197-1013

Sales & Tax Overview for 20 West 84th Street #4a, 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 $14,560

Lot & Building Information for 20 West 84th Street #4a, New York

Lot sqft 8,514
Building class Condo - Residential Unit in Elevator Building (R4) i
Building sqft 1,005
Buildings on lot 1
Stories 9
Year built 1924
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Zoning & Use for 20 West 84th Street #4a, New York

Residential units (DOF) 1

Area Overview

Walk Score
Transit Score
Bike Score


School district 3
Community district 7
Closest police station 0.09 Miles
Closest fire station 0.15 Miles

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

Unit Overview

Unit # 4A
Square feet 1,005
Condo complex 100334

Other Property Data for 20 West 84th Street #4a, New York

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Floor area ratio (FAR) for 20 West 84th Street #4a, New York, NY 10024, 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 20 West 84th Street #4a, New York, NY 10024, including DOB violations, ECB violations, HPD violations and 311 complaints.

Alternate Addresses

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

  • 18-24 W 84th St, New York, NY 10024

About 20 West 84th Street #4a, New York

What is the year built & the total sq. ft. for 20 West 84th Street #4a, New York, NY 10024?

20 West 84th Street #4a, New York, NY 10024 was built in 1924 and has a total of 1,005 square feet.

What is the assessed value of 20 West 84th Street #4a, New York, NY 10024 and the property tax paid?

Assessed at $127,388, the tax amount paid for 20 West 84th Street #4a, New York, NY 10024 is $13,964. For the next year, the tax amount for 20 West 84th Street #4a, New York, NY 10024 is estimated at $14,560.

When was 20 West 84th Street #4a, New York, NY 10024 last sold?

20 West 84th Street #4a, New York, NY 10024 was last sold in 12/28/1990.

How many residential units does this building have?

This building has 1 residential unit(s).

Ownership Information for 20 West 84th Street #4a, New York

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Property owner name for 20 West 84th Street #4a, New York, NY 10024
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Building contacts for 20 West 84th Street #4a, New York, NY 10024
Building management:
Representatives (from permits):
Tenants:
Real Estate Reports:
Eliza Theiss, Mar 19, 2026 Cheaper in the City? Nearly 100 Communities in Suburban NYC Surpass $1M
New Yorkers planning a move to the suburbs increasingly find their options limited, after suburban home values shot up twice as fast as NYC medians over the last decade. While larger homes and better prices were long the norm outside the five boroughs, today, many NYC buyers find their option restricted to a handful of suburban markets.
Laura Pop-Badiu, Jan 29, 2026 Hudson Yards Leads for 7th Consecutive Year, Despite Y-o-Y Price Drop
Prices continued to rise across most of the 50 priciest New York City neighborhoods in 2025, with increases of up to 39% year-over-year. Hudson Yards remained the most expensive NYC neighborhood for the seventh consecutive year, despite its median sale price dropping.
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Past Sales & Property History for 20 West 84th Street #4a, New York

Create a free account to view the complete sales history for 20 West 84th Street #4a, New York, including title documents, transfer conditions, mortgages, liens, and pre-foreclosures.

No recorded sales for this property.

Title Documents for 20 West 84th Street #4a, 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
05/30/2001 - R Satisfaction of Mortgage
(1980007673598)
08/11/1998 - R Assignment, Mortgage
(1820006201382)
08/11/1998 - R Sundry Agreement
(1110006201411)
07/18/1997 - R Assignment, Mortgage
(1340005688634)
07/18/1997 - R Mortgage
(1100005688710)
12/31/1990 - R Power of Attorney
(1040000360604)
12/28/1990 - D
12/31/1990 - R
Deed
(1030000360603)
09/30/1986 - R Declaration
(1350000156835)
09/30/1986 - R Maps
(1150000479415)
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R: Recorded date
D: Document date

Property Taxes for 20 West 84th Street #4a, New York

Access detailed property tax data for 20 West 84th Street #4a, New York, NY 10024. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year: 2025-2026
Property tax: $13,965
Estimated property tax: $14,560
Tax assessor's market value: $283,083
Assessed value: $127,388

Assessment History for 20 West 84th Street #4a, New York

Here's the assessment & property tax history for 20 West 84th Street #4a, 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 $283,083 $127,388 $112,265 12.439% $13,965 $13,965 +3.29%
2024/25 $258,447 $116,301 $108,163 12.5% $13,520 $13,520 +1.81%
2023/24 $260,718 $117,323 $106,226 12.502% $13,280 $13,280 +6.04%
2022/23 $226,869 $102,091 $102,091 12.267% $12,524 $12,524 +4.21%
2021/22 $218,279 $98,226 $98,226 12.235% $12,018 $12,018 +1.92%

Permits for 20 West 84th Street #4a, New York

The complete history of permits filed for 20 West 84th Street #4a, 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.

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
$1,050,000
-11.4% YoY
Median Price/Sqft
$1,197
-14% YoY
Manhattan Median Sale Price
$1,100,000
1.9% YoY

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

Transportation

Distance to Subway
Closest station Central Park West & 86th St at SW Corner
Station lines B-C
Distance (miles) 0.119
View subway map
Bus Routes
Name Central Pk W/W 84 St
Line M10
Distance (miles) 0.057

Schools

Nearest elementary schools

Name Rating Att. zoned Type Grade range No of students Distance to school (mi)
Rodeph Sholom School NR No Private PK-8 434 0.02
Rodeph Sholom School NR No Private PK-8 434 0.02
Beit Rabban NR No Private PK-5 114 0.13
Beit Rabban NR No Private PK-5 114 0.13
Ms 243 Center School 8 No Public 5-8 252 0.14

Nearest middle schools

Name Rating Att. zoned Type Grade range No of students Distance to school (mi)
Rodeph Sholom School NR No Private PK-8 434 0.02
Ms 243 Center School 8 No Public 5-8 252 0.14
Success Academy Upper West 9 No Charter K-8 943 0.18
Smith School (The) NR No Private 7-12 33 0.18
Manhattan Country School NR No Private PK, K-8 0 0.23

Nearest high schools

Name Rating Att. zoned Type Grade range No of students Distance to school (mi)
Frank McCourt High School 5 No Public 9-12 419 0.18
Urban Assembly School for Green Careers 4 No Public 9-12 310 0.18
The Global Learning Collaborative 5 No Public 9-12 407 0.18
Innovation Diploma Plus 1 No Public 10-12 107 0.18
Smith School (The) NR No Private 7-12 33 0.18

Data provided by GreatSchools.org © 2025. All rights reserved.

Neighbors for 20 West 84th Street #4a, New York

Here are the neighbors for 20 West 84th Street #4a, New York, NY 10024.

Address Square feet Purchase date Purchase price
65 E 55th St, New York 528,552 07/31/2014 $750,000,000
108 South St, New York 6,251 06/16/2023 $7,600,000
75 Leonard St, New York 23,072 10/01/1983
247 W 30th St, New York 60,397 12/30/2013 $31,750,000
142 E 74th St, New York 2,556 12/17/1995
666 3rd Ave, New York 666,376 04/07/2016
2343 2nd Ave, New York 06/18/2001
524 W 57th St, New York 52,000 11/07/2019 $1
321 St Nicholas Ave, New York 65,598 12/17/2008
801 1st Ave, New York 24,250 09/15/1989
131 E 91st St, New York 3,400 12/29/2009 $6,115,000
2 Fulton St, New York 12/22/2004 $90,000
11 Fulton St, New York 128,123 03/08/2002
2527 A Fredrick Douglass Blvd, New York 1,600 05/22/2012
114 Stanton St, New York 8,052 10/20/2014 $4,325,000
17 Prince St, New York 8,652 07/02/1997
572 W 173rd St, New York 22,201 04/03/1990
2341 2nd Ave, New York 02/14/2001
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