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The Diplomat - 311 East 71st Street, New York, NY 10021 - Property report

Also known as: 311 E 71st St

Property image for The Diplomat - 311 East 71st Street, New York, NY 10021
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Property type

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

Year built

1962

Lot sq. ft.

10,216

General information

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Address
Building name
The Diplomat
Primary address
The Diplomat - 311 East 71st Street
Alternate address(es)
311-317 E 71st St
ZIP code
10021
Neighborhood
Lenox Hill
Borough
Manhattan
Block & lot
01446-0008

Owner

Find out who owns The Diplomat - 311 East 71st Street, New York, NY 10021. Uncover corporate and individual owners with a free account.

Building
Property type
Elevator Apartments Cooperatives Building (Other than Condominiums) (XD4)
Building sq. ft.
80,056
Building dimensions
100 ft x 85 ft
Buildings on lot
1
Stories
13
Year built
1962
Tax
Tax year
2026-2027
Property tax
$995,038
Tax class
Floor area ratio (FAR)
Commercial FAR
Residential FAR
Buildable area
Zoning & Use
Zoning
Qualified opportunity zone
Residential units
96
Residential sq. ft.
Commercial units
0
Office sq. ft.
Retail sq. ft.
Lot
Frontage(s)
East 71 Street (narrow)
Nearest wide street
East 72 Street
Distance to wide street
Lot dimensions
100 ft x 102.17 ft
Lot sq. ft.
10,216

Area overview

Walk score
100 /100.  Walker's Paradise
Transit score
100 /100.  Rider's Paradise
Bike score
84 /100.  Very Bikeable
School district
2
Community district
8
Closest police station
0.29 Miles
Closest fire station
0.22 Miles

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

Units for The Diplomat - 311 East 71st Street, New York, NY

Unit Sale date Sale price Sq. ft. Price/Sq. ft.
Unit 10A
Unit 10C
Unit 10D 10/01/2021 550
Unit 10E
Unit 10F 06/20/2013 900
Unit 10G
Unit 10H 07/18/2022
Unit 11A 03/03/2020 480
Unit 11B
Unit 11C 09/27/2007
Unit 11D
Unit 11E,F
Unit 11E 11/19/2018 1,000
Unit 11F 11/19/2018
Unit 12A 03/26/2019 500
Unit 12B 01/29/2026 850
Unit 12C 06/04/2012 800
Unit 12D 03/18/2021
Unit 12E 11/01/2022
Unit 12F 07/08/2025
Unit 15H
Unit 1A 06/27/2011 750
Unit 1C 06/12/2014 500
Unit 1D 06/21/2018
Unit 1H 11/05/2024
Unit 2
Unit 2A 01/10/2018 725
Unit 2B 12/27/2012 725
Unit 2C 02/11/2009
Unit 2D 10/29/2025
Unit 2E 07/24/2014
Unit 2F 12/08/2020 750
Unit 2G
Unit 2H 10/05/2015 750
Unit 3A 700
Unit 3B 05/21/2021
Unit 3C 06/19/2014
Unit 3D
Unit 3E
Unit 3F 08/20/2025
Unit 3G 06/17/2024 1,200
Unit 3H 04/30/2026
Unit 4A 09/21/2006
Unit 4B 05/26/2005 750
Unit 4D
Unit 4E
Unit 4F
Unit 4G 08/11/2022 1,250
Unit 4H 11/12/2019
Unit 5A
Unit 5C 08/18/2016
Unit 5D 11/16/2021
Unit 5E 01/30/2014 450
Unit 5F 05/27/2014
Unit 5G
Unit 5H
Unit 6A 11/20/2012
Unit 6B 01/10/2018 750
Unit 6C 11/21/2024 750
Unit 6D
Unit 6E 06/27/2006 427
Unit 6G 01/09/2020 1,250
Unit 6H 11/08/2017 750
Unit 7A 08/16/2007
Unit 7B-10B 11/01/2011
Unit 7D 01/06/2022
Unit 7F 06/13/2019
Unit 7G 06/07/2021 1,230
Unit 84 04/27/2026
Unit 8A 07/13/2021 750
Unit 8B,C 07/14/2021
Unit 8D 01/14/2019
Unit 8E
Unit 8F 07/27/2017 850
Unit 8G 06/16/2026
Unit 8H 01/12/2015 750
Unit 9A 08/26/2014
Unit 9B 02/09/2022
Unit 9C 06/15/2011
Unit 9D 09/17/2013 561
Unit 9F 09/24/2024
Unit 9G
Unit 9H 09/15/2025
Unit PHA 05/25/2022 950
Unit PHBC 12/17/2020
Unit PHC
Ownership

Ownership information for The Diplomat - 311 East 71st 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 The Diplomat - 311 East 71st Street, New York, NY 10021

No recently recorded sales for this property.

More about New York City property records.

Title documents

Date Type Amount Party 1 Party 2
01/17/2023 - R
06/09/2022 - D		 Asgn of Asgn of L&R
(2022111500581006)		 XXXXXXXX XXXXXXXX XXXXXXXXXXX XXXX X X XXXX XXXXXXXXX XXXXXXXXXX XXXXXXXX XXXXXXXXXXX
01/17/2023 - R
06/09/2022 - D		 Assignment, Mortgage
(2022111500581005)		 XXXXXXXX XXXXXXXX XXXXXXXXXXX XXXX X X XXXX XXXXXXXXX XXXXXXXXXX XXXXXXXX XXXXXXXXXXX
05/18/2022 - R
04/27/2022 - D		 Asgn of Asgn of L&R
(2022050301359011)		 XXXXXXXX XXXXXXXX XXXXXXXXXXX XXXX XXXXXXXX XXXXXXXXXXX XXXX X X
05/18/2022 - R
04/27/2022 - D		 Assignment, Mortgage
(2022050301359010)		 XXXXXXXX XXXXXXXX XXXXXXXXXXX XXXX XXXXXXXX XXXXXXXXXXX XXXX X X
05/18/2022 - R
04/27/2022 - D		 Assignment of Leases and Rents
(2022050301359009)		 XXXXX XXXXXX XXXX XXXXXXXX XXXXXXXX XXXXXXXXXXX XXXX
05/18/2022 - R
04/27/2022 - D		 Mortgage
(2022050301359008)		 XXXXX XXXXXX XXXX XXXXXXXX XXXXXXXX XXXXXXXXXXX XXXX
05/18/2022 - R
04/27/2022 - D		 Assignment of Leases and Rents
(2022050301359007)		 XXXXX XXXXXX XXXX XXXXXXXX XXXXXXXXXXX XXXX X X
05/18/2022 - R
04/27/2022 - D		 Agreement
(2022050301359006)		 XXXXX XXXXXX XXXX XXXXXXXX XXXXXXXXXXX XXXX X X
05/18/2022 - R
04/27/2022 - D		 Mortgage
(2022050301359005)		 XXXXX XXXXXX XXXX XXXXXXXX XXXXXXXXXXX XXXX X X
05/18/2022 - R
04/27/2022 - D		 Satisfaction of Mortgage
(2022050301359004)		 XXXXX XXXXXX XXXX XXXXXXXX XXXXXXXXXXX XXXX X X

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for The Diplomat - 311 East 71st 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
$995,038
Municipal exemptions
Recent tax assessments
Market value
$21,343,000
Assessed value
$9,604,350

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 $21,355,000 $9,609,750 $8,942,999 12.439% $1,123,958 $951,576 +0.66%
2024/25 $19,707,000 $8,868,150 $8,779,775 12.5% $1,108,519 $945,310 +1.94%
2023/24 $20,862,000 $9,387,900 $8,543,514 12.502% $1,088,030 $927,285 +5.52%
2022/23 $21,083,000 $9,487,350 $8,179,759 12.267% $1,028,621 $878,794 +7.30%
2021/22 $17,660,000 $7,947,000 $7,712,582 12.235% $969,069 $819,017 -10.86%
2020/21 $19,760,000 $8,892,000 $7,490,395 12.267% $943,589 $918,847 +1.61%
2019/20 $20,688,000 $9,309,600 $7,250,003 12.473% $928,691 $904,293 +8.16%
2018/19 $18,094,000 $8,142,300 $6,628,946 12.612% $867,977 $836,043 +2.12%
2017/18 $17,179,000 $7,730,550 $6,436,792 12.719% $849,001 $818,696 +4.52%
2016/17 $16,335,000 $7,350,750 $6,075,524 12.892% $812,576 $783,257 +3.35%
Permits

Permit information for The Diplomat - 311 East 71st Street, New York, NY

Filing date Job type Job status Job description Initial cost
07/14/2026 Alteration
07/11/2026 Alteration
04/08/2026 Alteration
02/06/2026 Alteration
02/06/2026 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
11/24/2023 A
11/24/2023 B
11/24/2023 B

*Most recent HPD violations on record for this property.

Neighborhood

Lenox Hill residential market stats

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

Median sale price

$1,242,757

-7.9% Y-o-Y

Median price/sq. ft.

$1,367

2.6% 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
2nd Ave & 72nd St at SE Corner
Station lines
Q
Distance (miles)
0.057
View subway map

Access the detailed traffic volume map for The Diplomat - 311 East 71st Street, New York, NY 10021 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. 183 Robert L Stevenson 8 Yes Public PK, K-5 498 0.28
P.S. 183 Robert L Stevenson 8 Yes Public PK, K-5 498 0.28
The Cathedral School NR No Private K-8 53 0.16
Ella Baker School 7 No Public PK, K-8 337 0.20
Ella Baker School 7 No Public PK, K-8 337 0.20
Rabbi Arthur Schneier Park East Day School NR No Private PK-8 264 0.29
Rabbi Arthur Schneier Park East Day School NR No Private PK-8 264 0.29
The Birch Wathen Lenox School NR No Private K-12 541 0.31
Birch Wathen Lenox School NR No Private K-12 576 0.31
P.S. 158 Baylard Taylor 9 No Public PK, K-5 644 0.40
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 0.27
The Cathedral School NR No Private K-8 53 0.16
Ella Baker School 7 No Public PK, K-8 337 0.20
Rabbi Arthur Schneier Park East Day School NR No Private PK-8 264 0.29
The Birch Wathen Lenox School NR No Private K-12 541 0.31
Birch Wathen Lenox School NR No Private K-12 576 0.31
Lycee Francais De New York NR No Private PK-12 1,364 0.34
YORKVILLE EAST MIDDLE SCHOOL 9 No Public 6-8 256 0.40
Nearest high schools

Name Rating Att. zoned Type Grade range No of students Distance (miles)
Urban Academy Laboratory High School 1 No Public 9-12 135 0.20
Vanguard High School 5 No Public 9-12 421 0.20
Talent Unlimited High School 7 No Public 9-12 438 0.20
Manhattan International High School 1 No Public 9-12 352 0.20
Manhattan High School For Girls NR No Private 9-12 204 0.27
Eleanor Roosevelt High School 10 No Public 9-12 541 0.29
St. Jean Baptiste High School NR No Private 9-12 338 0.30
The Birch Wathen Lenox School NR No Private K-12 541 0.31
Birch Wathen Lenox School NR No Private K-12 576 0.31
Lycee Francais De New York NR No Private PK-12 1,364 0.34

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

Neighbors for The Diplomat - 311 East 71st Street, New York, NY

321 E 71st St, New York 340 E 72nd St, New York 1386 2nd Ave, New York 340 E 71st St, New York 310 E 71st St, New York 320 E 72nd St, New York 300 E 72nd St, New York 344 E 72nd St, New York 1388 2nd Ave, New York 300 E 71st St, New York 1390 2nd Ave, New York 308 E 72nd St, New York 306 E 71st St, New York 308 E 71st St, New York 331 E 71st St, New York 350 E 72nd St, New York 303 E 71st St, New York 360 E 72nd St, New York 1384 2nd Ave, New York 1382 2nd Ave, New York

Nearby ZIP codes for The Diplomat - 311 East 71st Street, New York, NY

10017, New York City, NY 10022, New York City, NY 10028, New York City, NY 10044, New York City, NY 10065, New York City, NY 10075, 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 10169, New York City, NY 10170, New York City, NY 10171, New York City, NY 10172, New York City, NY 10177, New York City, NY 11109, New York City, NY

Frequently asked questions

What is the year built for The Diplomat - 311 East 71st Street, New York, NY 10021?

The development at The Diplomat - 311 East 71st Street, New York, NY 10021 was built in 1962.

What is the total square footage of The Diplomat - 311 East 71st Street, New York, NY 10021?

The Diplomat - 311 East 71st Street, New York, NY 10021 has a total of 80,056 square feet.

What is the assessed value of The Diplomat - 311 East 71st Street, New York, NY 10021?

The Diplomat - 311 East 71st Street, New York, NY 10021 is currently assessed at $9,604,350.

What are the property taxes for The Diplomat - 311 East 71st Street, New York, NY 10021?

The property taxes for The Diplomat - 311 East 71st Street, New York, NY 10021 total $1,152,362.

How many residential units does this building have?

This building has 96 residential unit(s).

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