New York City  »  10017  »  United Nations Plz  »  823 United Nations Plz

Dag Hammarskjold Plaza - 823 United Nations Plaza, New York, NY 10017 - Property report

Also known as: 833 1st Ave

Property image for Dag Hammarskjold Plaza - 823 United Nations Plaza, New York, NY 10017
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Property type

Parks/Recreation Facilities (Q1)

Year built

1999

Lot sq. ft.

41,985

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
Building name
Dag Hammarskjold Plaza
Primary address
Dag Hammarskjold Plaza - 823 United Nations Plaza
Alternate address(es)
300-340 E 47th St
342 E 47th St
823-843 United Nations Plz
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ZIP code
10017
Neighborhood
Turtle Bay
Borough
Manhattan
Block & lot
01339-0027

Owner

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Building
Property type
Parks/Recreation Facilities (Q1)
Building sq. ft.
396
Building dimensions
22 ft x 18 ft
Buildings on lot
1
Stories
1
Year built
1999
Building material
Tax
Tax year
2026-2027
Tax class
Floor area ratio (FAR)
Commercial FAR
Residential FAR
Zoning & Use
Commercial units
1
Lot
Lot dimensions
73 ft x 626 ft
Lot sq. ft.
41,985

Area overview

Walk score
99 /100.  Walker's Paradise
Transit score
100 /100.  Rider's Paradise
Bike score
77 /100.  Very Bikeable
School district
2
Community district
6
Closest police station
0.26 Miles
Closest fire station
0.34 Miles

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

Ownership

Ownership information for Dag Hammarskjold Plaza - 823 United Nations Plaza, 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 Dag Hammarskjold Plaza - 823 United Nations Plaza, New York, NY 10017

No recently recorded sales for this property.

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Title documents

Date Type Amount Party 1 Party 2
10/15/1996 - R Maps
(1700005351770)		 XXXX XX XXX XXXX
11/01/1973 - R Deed
(1910008528291)		 XXXX XXXX XXXX XXXXXXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for Dag Hammarskjold Plaza - 823 United Nations Plaza, 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
$41,447,000
Assessed value
$18,651,150

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 $40,240,000 $18,108,000 $0 10.848% $1,853,202 $0 n/a
2024/25 $39,068,000 $17,580,600 $0 10.762% $1,875,374 $0 n/a
2023/24 $37,930,000 $17,068,500 $0 10.592% $1,807,896 $0 n/a
2022/23 $36,825,000 $16,571,250 $0 10.646% $1,764,175 $0 n/a
2021/22 $35,752,000 $16,088,400 $0 10.755% $1,730,307 $0 n/a
2020/21 $44,046,000 $19,820,700 $0 10.694% $1,999,684 $0 n/a
2019/20 $42,763,000 $19,243,350 $0 10.537% $1,912,933 $0 n/a
2018/19 $41,517,000 $18,682,650 $0 10.514% $1,853,156 $0 n/a
2017/18 $40,308,000 $18,138,600 $0 10.514% $1,791,772 $0 n/a
2016/17 $39,134,000 $17,610,300 $0 10.574% $1,751,768 $0 n/a
Permits

Permit information for Dag Hammarskjold Plaza - 823 United Nations Plaza, New York, NY

Filing date Job type Job status Job description Initial cost
12/18/2015 Alteration type 2
08/26/2015 Alteration type 2
06/24/2013 Alteration type 2
06/24/2013 Alteration type 2
02/16/1999 New building

*Most recent permits on record for this property.

More about New York City property records

Violations

DOB Violations

No recently recorded violations 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 & 43rd St at SE Corner
Station lines
GS-4-5-6-7
Distance (miles)
0.338
View subway map

Access the detailed traffic volume map for Dag Hammarskjold Plaza - 823 United Nations Plaza, New York, NY 10017 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 Dag Hammarskjold Plaza - 823 United Nations Plaza, New York, NY

328 E 48th St, New York 303 E 46th St, New York 330 E 48th St, New York 315 E 46th St, New York 301 E 45th St, New York 333 E 47th St, New York 324 E 48th St, New York 335 E 46th St, New York 333 E 46th St, New York 862 2nd Ave, New York 866 2nd Ave, New York 326 E 48th St, New York 809 1st Ave, New York 320 E 46th St, New York 300 E 46th St, New York 315 E 47th St, New York 333 E 45th St, New York 330 E 46th St, New York 301 E 47th St, New York 305 E 47th St, New York

Nearby ZIP codes for Dag Hammarskjold Plaza - 823 United Nations Plaza, New York, NY

10016, New York City, NY 10020, New York City, NY 10022, New York City, NY 10103, New York City, NY 10110, New York City, NY 10112, New York City, NY 10152, New York City, NY 10154, New York City, NY 10165, 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 10173, New York City, NY 10174, New York City, NY 10177, New York City, NY

Frequently asked questions

What is the year built for Dag Hammarskjold Plaza - 823 United Nations Plaza, New York, NY 10017?

The development at Dag Hammarskjold Plaza - 823 United Nations Plaza, New York, NY 10017 was built in 1999.

What is the total square footage of Dag Hammarskjold Plaza - 823 United Nations Plaza, New York, NY 10017?

Dag Hammarskjold Plaza - 823 United Nations Plaza, New York, NY 10017 has a total of 396 square feet.

What is the assessed value of Dag Hammarskjold Plaza - 823 United Nations Plaza, New York, NY 10017?

Dag Hammarskjold Plaza - 823 United Nations Plaza, New York, NY 10017 is currently assessed at $18,651,150.

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