New York City  »  10128  »  E 91st St  »  51 E 91st St

51 East 91st Street, New York, NY 10128 - Property report

Also known as: 51 E 91st St

Property image for 51 East 91st Street, New York, NY 10128
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Property type

School or Academy (W3)

Year built

1910

Lot sq. ft.

10,255

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
51 East 91st Street
Alternate address(es)
53 E 91st St
53-55 E 91st St
57-61 E 91st St
ZIP code
10128
Neighborhood
Carnegie Hill
Borough
Manhattan
Block & lot
01503-0025

Owner

Find out who owns 51 East 91st Street, New York, NY 10128. Uncover corporate and individual owners with a free account.

Building
Property type
School or Academy (W3)
Building sq. ft.
39,279
Building dimensions
101.83 ft x 62.5 ft
Buildings on lot
1
Stories
5
Year built
1910
Last altered
2012
Building material
Tax
Tax year
2026-2027
Tax class
Floor area ratio (FAR)
Commercial FAR
Residential FAR
Buildable area
Zoning & Use
Zoning
Qualified opportunity zone
Residential units
0
Residential sq. ft.
Office sq. ft.
Retail sq. ft.
Lot
Lot dimensions
101.83 ft x 100.71 ft
Lot sq. ft.
10,255

Area overview

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

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

Ownership

Ownership information for 51 East 91st 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 51 East 91st 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
12/02/2009 - R
11/24/2009 - D		 Certificate
(2009113000091001)		 XXXXXXXX XXXXXXXX XXXXX XXXXXXXXX XXXXXXX
11/16/2009 - R
11/05/2009 - D		 Certificate
(2009111000442001)		 XXXXXXXX XXXXXXXX XXXXX XXXXXXXXX XXXXXXX
12/02/2009 - R
10/15/2009 - D		 Zoning Lot Description
(2009113000091002)		 XXXXXX XXXXXXX XX X
11/16/2009 - R
10/15/2009 - D		 Zoning Lot Description
(2009111000442002)		 XXXXXX XXXXXX X
09/18/2006 - R
08/04/2005 - D		 Agreement
(2006062300461001)		 XXXXXX XXX XX XXXXXXXXXX XXXXXXXXXXX XXXXXXXX XXX XXXXXX XXXXXXX XXX
01/04/1978 - R Deed
(1400008584640)		 XXXXXX XXXXXXX X XXXXXX XXXXXXX XXX
08/05/1974 - R Landmark Designation
(1230008539323)		 XXXXXXXX XXXX XXXXXXXX XXXXXXXX XXXXXXX XXXX XX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 51 East 91st 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
Municipal exemptions
Recent tax assessments
Market value
$21,686,000
Assessed value
$9,758,700

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 $21,164,000 $9,523,800 $0 10.848% $970,374 $0 n/a
2024/25 $20,854,000 $9,384,300 $0 10.762% $968,590 $0 n/a
2023/24 $20,433,000 $9,194,850 $0 10.592% $955,940 $0 n/a
2022/23 $19,266,000 $8,669,700 $0 10.646% $922,976 $0 n/a
2021/22 $17,674,000 $7,953,300 $0 10.755% $855,377 $0 n/a
2020/21 $21,774,000 $9,798,300 $0 10.694% $967,349 $0 n/a
2019/20 $21,132,000 $9,509,400 $0 10.537% $909,865 $0 n/a
2018/19 $20,306,000 $9,137,700 $0 10.514% $870,767 $0 n/a
2017/18 $19,124,000 $8,605,800 $0 10.514% $829,406 $0 n/a
2016/17 $18,172,000 $8,177,400 $0 10.574% $800,764 $0 n/a
Permits

Permit information for 51 East 91st Street, New York, NY

Filing date Job type Job status Job description Initial cost
06/15/2023 Alteration
06/15/2023 Alteration
06/13/2023 Alteration
02/04/2022 Alteration
07/13/2021 Alteration

*Most recent permits on record for this property.

More about New York City property records

Violations

DOB Violations

Violation ID Issue date Type Status
08/02/2020 Bench-failure to benchmark
09/07/2017 E-elevator
03/19/2003 Ll6291-local law 62/91 - boilers

*Most recent DOB violations on record for this property.

Neighborhood

Manhattan commercial market stats

Review a detailed real estate market overview of Manhattan and assess current trends, property values, property types sold and transaction volumes. View the median price per square foot in Manhattan and compare it to other New York City boroughs.

Q2 2026 median price/sq. ft.

$729

10.4% Y-o-Y

Q1 2026 median price/sq. ft.

$807

22.4% Y-o-Y

2025 median price/sq. ft.

$630

-8.1% Y-o-Y

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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
Lexington Ave & 96th St at SW Corner
Station lines
6
Distance (miles)
0.271
View subway map

Access the detailed traffic volume map for 51 East 91st 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

Neighbors for 51 East 91st Street, New York, NY

1 E 91st St, New York 65 E 91st St, New York 1150 Park Ave, New York 48 E 92nd St, New York 7 E 91st St, New York 11 E 91st St, New York 9 E 91st St, New York 60 E 91st St, New York 69 E 91st St, New York 56 E 92nd St, New York 54 E 92nd St, New York 1283 Madison Ave, New York 60 E 92nd St, New York 49 E 91st St, New York 52 E 91st St, New York 1140 Park Ave, New York 62 E 92nd St, New York 15 E 91st St, New York 56 E 91st St, New York 63 E 91st St, New York

Nearby ZIP codes for 51 East 91st 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 51 East 91st Street, New York, NY 10128?

The development at 51 East 91st Street, New York, NY 10128 was built in 1910.

What is the total square footage of 51 East 91st Street, New York, NY 10128?

51 East 91st Street, New York, NY 10128 has a total of 39,279 square feet.

What is the assessed value of 51 East 91st Street, New York, NY 10128?

51 East 91st Street, New York, NY 10128 is currently assessed at $9,758,700.

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