New York City » 10075 » E 79th St » 21 E 79th St

21 East 79th Street, New York, NY 10075 - Property report

Also known as: 21 E 79th St

Property image for 21 East 79th Street, New York, NY 10075

Property type

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

Year built

1930

Lot sq. ft.

6,235

General information

Address

Primary address

21 East 79th Street

Alternate address(es)

21-23 E 79th St
21-25 E 79th St

ZIP code

10075

Neighborhood

Carnegie Hill

Borough

Manhattan

Block & lot

01491-0012

Building

Property type

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

Building sq. ft.

56,017

Building dimensions

61 ft x 76 ft

Buildings on lot

Stories

Year built

1930

Last altered

1987

Tax

Tax year

2026-2027

Property tax

$684,292

Tax class

Floor area ratio (FAR)

Commercial FAR

Residential FAR

Buildable area

Zoning & Use

Zoning

Qualified opportunity zone

Residential units

Residential sq. ft.

Commercial units

Office sq. ft.

Retail sq. ft.

Lot

Frontage(s)

East 79 Street (wide)

Distance to wide street

Lot dimensions

61 ft x 102.17 ft

Lot sq. ft.

6,235

Area overview

Walk score

98 /100. Walker's Paradise

Transit score

100 /100. Rider's Paradise

Bike score

79 /100. Very Bikeable

School district

Community district

Closest police station

0.64 Miles

Closest fire station

0.38 Miles

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

Units for 21 East 79th Street, New York, NY

Unit	Sale date	Sq. ft.
Unit 10	04/03/2014
Unit 12	05/30/2018
Unit 1W	02/07/2011
Unit 2	05/11/2005
Unit 3
Unit 3C
Unit 4	02/03/2022
Unit 5	03/28/2022
Unit 8	08/14/2024
Unit 9	05/25/2023	4,000
Unit GF	03/20/2026
Unit PH	08/24/2021
Unit RES

Ownership

Ownership information for 21 East 79th Street, New York, NY

Unlock full ownership info — get contact details, including phone numbers and emails for owners and the real people behind LLCs.

Property owner name

Registered owner

Source

Deed

Owner contact information

Phone number

Owner address

Documents

Sales history for 21 East 79th Street, New York, NY 10075

No recently recorded sales for this property.

More about New York City property records.

Title documents

Date	Type	Party 1	Party 2
01/27/2026 - R	UCC3 Continuation (2026012700217001)	XX XXXX XXXX XXXXXX XXXXXXXXXXX	XXX XXXX XX XXX XXXX XXXXXX
03/09/2022 - R	UCC3 Continuation (2022030900471001)	XX XXXX XXXX XXXXXX XXXXXXXXXXX	XXX XXXX XX XXX XXXX XXXXXX
02/19/2021 - R	UCC3 Continuation (2021021801158001)	XX XXXX XXXX XXXXXX XXXXXXXXXXX	XXX XXXX XX XXX XXXX XXXXXX
08/09/2017 - R	Initial UCC1 (2017080700367004)	XX XXXX XXXX XXXXXX XXXXXXXXXXX	XXX XXX XXXX XX XXX XXXX
08/09/2017 - R 08/01/2017 - D	Assignment of Leases and Rents (2017080700367003)	XX XXXX XXXX XXXXXX XXXXXXXXXXX	XXX XXX XXXX XX XXX XXXX
08/09/2017 - R 08/01/2017 - D	Agreement (2017080700367002)	XX XXXX XXXX XXXXXX XXXXXXXXXXX	XXX XXX XXXX XX XXX XXXX
08/09/2017 - R 08/01/2017 - D	Mortgage (2017080700367001)	XX XXXX XXXX XXXXXX XXXXXXXXXXX	XXX XXX XXXX XX XXX XXXX
02/17/2016 - R	UCC3 Continuation (2016021700342001)	XX XXXX XXXX XXXXXX XXXXXXXXXXX	XXX XXXX XX XXX XXXX XXXXXX
03/08/2012 - R	UCC3 Amendment (2012030701465001)	XX XXXX XXXX XXXXXX XXXXXXXXXXX	XXX XXXX XX XXX XXXX XXXXXX
03/05/2012 - R	UCC3 Continuation (2012030101384001)	XX XXXX XXXX XXXXXX XXXXXXXXXXX	XXX XXXX XX XXX XXXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 21 East 79th 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

$684,292

Municipal exemptions

Recent tax assessments

Market value

$16,466,000

Assessed value

$7,409,700

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	$15,164,000	$6,823,800	$5,819,400	12.439%	$723,875	$630,671	+3.93%
2024/25	$12,877,000	$5,794,650	$5,567,940	12.5%	$695,993	$606,801	+1.01%
2023/24	$12,868,000	$5,790,600	$5,495,940	12.502%	$687,102	$600,719	+6.80%
2022/23	$12,732,000	$5,729,400	$5,302,440	12.267%	$650,450	$562,469	+8.44%
2021/22	$11,019,000	$4,958,550	$4,958,550	12.235%	$606,679	$518,698	-14.58%
2020/21	$12,370,000	$5,566,500	$4,950,360	12.267%	$611,677	$607,261	+5.20%
2019/20	$12,077,000	$5,434,650	$4,627,980	12.473%	$581,738	$577,248	+6.09%
2018/19	$10,718,000	$4,823,100	$4,314,060	12.612%	$548,630	$544,089	+2.48%
2017/18	$10,481,000	$4,716,450	$4,174,380	12.719%	$536,091	$530,939	+1.69%
2016/17	$9,758,000	$4,391,100	$4,049,820	12.892%	$527,324	$522,103	+3.60%

Permits

Permit information for 21 East 79th Street, New York, NY

Filing date	Job type	Job status	Job description	Initial cost
07/09/2026	Alteration CO
07/09/2026	Alteration CO
05/12/2026	Alteration CO
01/27/2026	Alteration
12/22/2025	Alteration

*Most recent permits on record for this property.

More about New York City property records

Violations

HPD Violations

Violation ID	Inspection date	Class	NOV issue date	Status
	04/29/2026	A
	11/17/2025	I
	11/03/2022	I

*Most recent HPD violations on record 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

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

FEMA flood zones

Hurricane evacuation zones

Subway & traffic

Closest station

Lexington Ave & 77th St at NW Corner

Station lines

Distance (miles)

0.243

View subway map

Access the detailed traffic volume map for 21 East 79th Street, New York, NY 10075 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	0.12
P.S. 6 Lillie D Blake	9	Yes	Public	PK, K-5	587	0.12
Rudolf Steiner School	NR	No	Private	PK, K-12	0	0.02
Rudolf Steiner School	NR	No	Private	PK, K-12	0	0.02
Rudolf Steiner School	NR	No	Private	PK-12	299	0.02
Rudolf Steiner School	NR	No	Private	PK-12	299	0.02
The Allen-Stevenson School	NR	No	Private	K-8	421	0.22

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	0.42
Rudolf Steiner School	NR	No	Private	PK, K-12	0	0.02
Rudolf Steiner School	NR	No	Private	PK-12	299	0.02
The Allen-Stevenson School	NR	No	Private	K-8	421	0.22
The Hewitt School	NR	No	Private	K-12	522	0.22
Marymount School of NY	NR	No	Private	PK, K-12	0	0.22
P.S. 169 Robert F Kennedy	NR	No	Public	K-11	301	0.46

Nearest high schools

Name	Rating	Att. zoned	Type	Grade range	No of students	Distance (miles)
Rudolf Steiner School	NR	No	Private	PK, K-12	0	0.02
Rudolf Steiner School	NR	No	Private	PK-12	299	0.02
Ramaz School	NR	No	Private	9-12	0	0.11
Ramaz School	NR	No	Private	9-12	384	0.12
The Hewitt School	NR	No	Private	K-12	522	0.22
P.S. 169 Robert F Kennedy	NR	No	Public	K-11	301	0.46

Neighbors for 21 East 79th Street, New York, NY

63 E 79th St, New York 19 E 79th St, New York 980 5th Ave, New York 67 E 79th St, New York 17 E 79th St, New York 79 E 79th St, New York 504 E 79th St, New York 59 E 79th St, New York 15 E 79th St, New York 9 E 79th St, New York 524 E 79th St, New York 516 E 79th St, New York 1042 Madison Ave, New York 510 E 79th St, New York 31 E 79th St, New York 39 E 79th St, New York 53 E 79th St, New York 985 5th Ave, New York

Nearby ZIP codes for 21 East 79th Street, New York, NY

10017, New York City, NY 10021, New York City, NY 10022, New York City, NY 10023, New York City, NY 10028, New York City, NY 10029, New York City, NY 10044, New York City, NY 10065, New York City, NY 10103, New York City, NY 10128, New York City, NY 10152, New York City, NY 10154, New York City, NY 10162, New York City, NY 10167, New York City, NY 10171, New York City, NY 10172, New York City, NY 10177, New York City, NY 11106, New York City, NY

Frequently asked questions

What is the year built for 21 East 79th Street, New York, NY 10075?

The development at 21 East 79th Street, New York, NY 10075 was built in 1930.

What is the total square footage of 21 East 79th Street, New York, NY 10075?

21 East 79th Street, New York, NY 10075 has a total of 56,017 square feet.

What is the assessed value of 21 East 79th Street, New York, NY 10075?

21 East 79th Street, New York, NY 10075 is currently assessed at $7,409,700.

What are the property taxes for 21 East 79th Street, New York, NY 10075?

The property taxes for 21 East 79th Street, New York, NY 10075 total $784,854.

How many residential units does this building have?

This building has 15 residential unit(s).

Disclaimer

All data comes from government sources. No attempt has been made to validate it. No attempt has been made to validate the accuracy of the programming of this website.

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.