New York City  »  10128  »  E 90th St  »  21 E 90th St

21 East 90th Street, New York, NY 10128 - Property report

Also known as: 19-21 E 90th St

Property image for 21 East 90th Street, New York, NY 10128
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Property type

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

Year built

1927

Lot sq. ft.

11,102

General information

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Access up-to-date information from property owner names to sales history, deeds, tax info, mortgages, development data, planimetric maps and more.

Address
Primary address
21 East 90th Street
Alternate address(es)
1254-1266 Madison Ave
1260-1266 Madison Ave
19-21 E 90th St
ZIP code
10128
Neighborhood
Carnegie Hill
Borough
Manhattan
Block & lot
01502-0017

Owner

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Building
Property type
Elevator Apartments Cooperatives Building (Other than Condominiums) (XD4)
Building sq. ft.
104,445
Building dimensions
98 ft x 98 ft
Buildings on lot
1
Stories
14
Year built
1927
Last altered
1983
Tax
Tax year
2026-2027
Property tax
$1,711,281
Tax class
Floor area ratio (FAR)
Commercial FAR
Residential FAR
Buildable area
Zoning & Use
Zoning
Qualified opportunity zone
Residential units
50
Residential sq. ft.
Commercial units
5
Office sq. ft.
Retail sq. ft.
Lot
Frontage(s)
Madison Avenue (wide)
East 90 Street (narrow)
Distance to wide street
Lot dimensions
100.67 ft x 110.83 ft
Lot sq. ft.
11,102

Area overview

Walk score
99 /100.  Walker's Paradise
Transit score
100 /100.  Rider's Paradise
Bike score
75 /100.  Very Bikeable
School district
2
Community district
8
Closest police station
0.60 Miles
Closest fire station
0.34 Miles

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

Units for 21 East 90th Street, New York, NY

Unit Sale date Sale price Sq. ft. Price/Sq. ft.
Unit 10A
Unit 10B 04/29/2025
Unit 10C 10/13/2006 1,500
Unit 10D 03/03/2021
Unit 11A 12/02/2011 2,150
Unit 11B 01/30/2024 1,800
Unit 11C
Unit 11D 04/30/2007
Unit 12B 07/10/2012 1,800
Unit 12C
Unit 12D 03/28/2024
Unit 14A,B 12/15/2023
Unit 14C 01/24/2019 1,600
Unit 1A
Unit 2A 06/14/2016 2,230
Unit 2B 10/27/2011 1,800
Unit 2C 02/12/2020 1,500
Unit 2D 04/03/2026
Unit 3A 07/02/2025
Unit 3B 10/01/2007 1,800
Unit 3C 07/09/2026 1,500
Unit 3C-4C
Unit 3D
Unit 4A 12/03/2007
Unit 4B
Unit 4C
Unit 4C-5C
Unit 4D 06/21/2016 1,600
Unit 5A 03/23/2023
Unit 5D 06/16/2010
Unit 6A
Unit 6B 06/24/2022 1,800
Unit 6C 02/21/2024 1,500
Unit 6D 03/31/2021
Unit 7A 12/07/2006 2,100
Unit 7B
Unit 7C 05/01/2018
Unit 7D
Unit 8B 06/22/2021 1,800
Unit 8C 10/11/2024 1,500
Unit 8D
Unit 9A
Unit 9B 04/10/2014 1,800
Unit 9D
Unit PHA
Unit PHD 11/06/2019
Ownership

Ownership information for 21 East 90th Street, New York, NY

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

Sales history for 21 East 90th Street, New York, NY 10128

No recently recorded sales for this property.

More about New York City property records.

Title documents

Date Type Amount Party 1 Party 2
05/06/2021 - R UCC3 Termination
(2021043000597005)		 XX XXXX XX XXXXXXXXXX XXXX XXXXXXX XXXX XXX XXXXX XXXXXXX XXXXX XXXXXXX
04/12/2021 - R Initial Coop UCC1
(2021041200884001)		 XX XXXX XX XXXXXXXXXX XXXX XXXXXXXXX XXXX
05/06/2021 - R
04/08/2021 - D		 Termination of Assign of L&R
(2021043000597004)		 XXXXXXX XXXX XXX XXXXX XXXXXXX XXXXX XXXXXXX XX XXXX XX XXXXXXXXXX XXXX
05/06/2021 - R
04/08/2021 - D		 Agreement
(2021043000597003)		 XX XXXX XX XXXXXXXXXX XXXX XXXXXXXXX XXXX
05/06/2021 - R
04/08/2021 - D		 Mortgage
(2021043000597002)		 XX XXXX XX XXXXXXXXXX XXXX XXXXXXXXX XXXX
05/13/2021 - R
04/05/2021 - D		 Assignment of Leases and Rents
(2021050600994001)		 XX XXXX XX XXXXXXXXXX XXXX XXXXXXXXX XXXX
05/06/2021 - R
04/01/2021 - D		 Assignment, Mortgage
(2021043000597001)		 XXXXXXX XXXX XXX XXXXX XXXXXXX XXXXX XXXXXXX XXXXXXXXX XXXX
04/22/2015 - R Initial UCC1
(2015040801067010)		 XX XXXX XX XXXXXXXXXX XXXX XXXXX XXXXXXX XXXXX XXXXXXX
04/22/2015 - R
04/01/2015 - D		 Assignment of Leases and Rents
(2015040801067009)		 XX XXXX XX XXXXXXXXXX XXXX XXXXX XXXXXXX XXXXX XXXXXXX
04/22/2015 - R
04/01/2015 - D		 Agreement
(2015040801067008)		 XX XXXX XX XXXXXXXXXX XXXX XXXXX XXXXXXX XXXXX XXXXXXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 21 East 90th Street, 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
$1,711,281
Municipal exemptions
Recent tax assessments
Market value
$39,645,000
Assessed value
$17,840,250

More about New York City property taxes

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 $35,341,000 $15,903,450 $15,366,954 12.439% $1,929,621 $1,649,766 +0.43%
2024/25 $34,653,000 $15,593,850 $15,387,621 12.5% $1,941,498 $1,642,751 +4.16%
2023/24 $33,084,000 $14,887,800 $14,751,134 12.502% $1,861,273 $1,577,210 -6.97%
2022/23 $36,901,000 $16,605,450 $16,060,129 12.267% $2,006,852 $1,695,368 +4.15%
2021/22 $35,285,000 $15,878,250 $15,550,181 12.235% $1,938,179 $1,627,837 -11.23%
2020/21 $39,427,000 $17,742,150 $14,948,207 12.267% $1,868,085 $1,833,697 +11.44%
2019/20 $39,702,000 $17,865,900 $13,191,904 12.473% $1,676,906 $1,645,426 +15.77%
2018/19 $38,478,000 $17,315,100 $11,269,390 12.612% $1,450,042 $1,421,295 +17.70%
2017/18 $31,140,000 $14,013,000 $9,494,205 12.719% $1,220,925 $1,207,568 +14.12%
2016/17 $20,459,000 $9,206,550 $8,207,861 12.892% $1,075,777 $1,058,157 +4.52%
Permits

Permit information for 21 East 90th Street, New York, NY

Filing date Job type Job status Job description Initial cost
08/12/2026 Alteration
07/07/2026 Alteration
06/15/2026 Alteration
06/09/2026 Alteration
05/26/2026 Alteration

*Most recent permits on record for this property.

More about New York City property records

Violations

HPD Violations

No recently recorded violations for this property.

Neighborhood

Upper East Side, Carnegie Hill residential market stats

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

Median sale price

—

Median price/sq. ft.

—

Manhattan median sale price

$1,260,000

5.4% Y-o-Y

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Risk

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FEMA flood zones

Property location map
FEMA flood zones
X

Hurricane evacuation zones

Property location map
Hurricane evacuation zones
-

Subway & traffic

Closest station
Lexington Ave & 86th St at NW Corner
Station lines
4-5-6
Distance (miles)
0.286
View subway map

Access the detailed traffic volume map for 21 East 90th Street, New York, NY 10128 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. 6 Lillie D Blake 9 Yes Public PK, K-5 587 0.46
P.S. 6 Lillie D Blake 9 Yes Public PK, K-5 587 0.46
The Spence School NR No Private K-12 755 0.02
International Academy of New York NR No Private PK, K-8 0 0.05
International Academy of New York NR No Private PK, K-8 0 0.05
International Academy of New York NR No Private PK-4 45 0.06
International Academy of New York NR No Private PK-4 45 0.06
Nearest middle schools

Name Rating Att. zoned Type Grade range No of students Distance (miles)
Jhs 167 Robert F Wagner 8 Yes Public 6-8 1,019 0.82
The Spence School NR No Private K-12 755 0.02
International Academy of New York NR No Private PK, K-8 0 0.05
Trevor Day School Lower NR No Private PK, K-12 0 0.06
Nightingale-Bamford School NR No Private K-12 669 0.07
St. Davids School NR No Private PK, K-8 0 0.08
P.S. 169 Robert F Kennedy NR No Public K-11 301 0.21
Hunter College High School NR No Public 7-12 0 0.22
Nearest high schools

Name Rating Att. zoned Type Grade range No of students Distance (miles)
The Spence School NR No Private K-12 755 0.02
Trevor Day School Lower NR No Private PK, K-12 0 0.06
Nightingale-Bamford School NR No Private K-12 669 0.07
Convent of the Sacred Heart NR No Private PK, K-12 0 0.08
Dalton School NR No Private K-12 1,313 0.19
P.S. 169 Robert F Kennedy NR No Public K-11 301 0.21
Hunter College High School NR No Public 7-12 0 0.22

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

Neighbors for 21 East 90th Street, New York, NY

1385 York Ave, New York 258 W 22nd St, New York 90 Park Ter W, New York 212 E 125th St, New York 116 W 124th St, New York 136 E 65th St, New York 302 A W 121st St, New York 248 E 120th St, New York 2505 7th Ave, New York 305 W 28th St, New York 335 W 38th St, New York 108 Sherman Ave, New York 1200 St Nicholas Ave, New York 25 Dongan Pl, New York 183 Chrystie St, New York 2176 Amsterdam Ave, New York

Nearby ZIP codes for 21 East 90th Street, New York, NY

10021, New York City, NY 10022, New York City, NY 10023, New York City, NY 10024, New York City, NY 10025, New York City, NY 10026, New York City, NY 10027, New York City, NY 10028, New York City, NY 10029, New York City, NY 10035, New York City, NY 10044, New York City, NY 10065, New York City, NY 10075, New York City, NY 10115, New York City, NY 10152, New York City, NY 10154, New York City, NY 10162, New York City, NY 11102, New York City, NY 11106, New York City, NY

Frequently asked questions

What is the year built for 21 East 90th Street, New York, NY 10128?

The development at 21 East 90th Street, New York, NY 10128 was built in 1927.

What is the total square footage of 21 East 90th Street, New York, NY 10128?

21 East 90th Street, New York, NY 10128 has a total of 104,445 square feet.

What is the assessed value of 21 East 90th Street, New York, NY 10128?

21 East 90th Street, New York, NY 10128 is currently assessed at $17,840,250.

What are the property taxes for 21 East 90th Street, New York, NY 10128?

The property taxes for 21 East 90th Street, New York, NY 10128 total $1,976,237.

How many residential units does this building have?

This building has 50 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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