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The United Nations Church Center - 777 1st Avenue, New York, NY 10017 Property Information

The United Nations Church Center - 777 1st Avenue, New York, NY 10017 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
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The United Nations Church Center - 777 1st Avenue, New York, NY 10017 2
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Address

Building name The United Nations Church Center
Primary address The United Nations Church Center - 777 1st Avenue
Secondary address 775-777 1st Ave
Neighborhood Turtle Bay
Zip code 10017
Borough Manhattan
Block & lot 01336-0030

Sales & Tax Overview for 777 1st Avenue, New York

View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.

Tax class

Lot & Building Information for 777 1st Avenue, New York

Lot sq. ft. 5,041
Lot dimensions 50.42 ft x 100 ft
Property type Office Only 7-19 Stories (O3)
Building sqft 67,177
Building dimensions 50 ft x 92 ft
Buildings on lot 1
Stories 12
Year built 1963
Construction type
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Zoning & Use for 777 1st Avenue, New York

Zoning
Commercial units 1
Office sqft
Conversion feasibility index

Area Overview

Walk Score
Transit Score
Bike Score


School district 2
Community district 6
Closest police station 0.44 Miles
Closest fire station 0.25 Miles

View more neighborhood information such as transportation, nearby schools and risk designations in the dedicated tab.

Other Property Data for 777 1st Avenue, New York

New York property reports include comprehensive occupancy, development and violation information. Create a free account to access valuable data points such as:

Floor area ratio (FAR) for The United Nations Church Center - 777 1st Avenue, New York, NY 10017, including commercial and residential FAR, FAR as built and usable floor area.
Development maps such as planimetric, zoning, urban landscape, and HPD alternative enforcement program maps.
Violations for The United Nations Church Center - 777 1st Avenue, New York, NY 10017, including DOB violations, ECB violations, HPD violations and 311 complaints.

Alternate Addresses

You will find all alternate addresses for the property in this section.

  • 775-777 1st Ave, New York, NY 10017
  • 346 E 44th St, New York, NY 10017
  • 775-783 United Nations Plz, New York, NY 10017
  • 775-783 Unp, New York, NY 10017

About 777 1st Avenue, New York

How many square feet does The United Nations Church Center - 777 1st Avenue, New York, NY 10017 have?

This Office Only 7-19 Stories (O3) located at The United Nations Church Center - 777 1st Avenue, New York, NY 10017 has a total of 67,177 square feet.

What is the year built & the current market value of The United Nations Church Center - 777 1st Avenue, New York, NY 10017?

The United Nations Church Center - 777 1st Avenue, New York, NY 10017 was built in 1963 and has a current tax assessor's market value of $18,603,000.

How many commercial spaces does this building have?

This building has 1 commercial spaces available for lease.

Ownership Information for 777 1st Avenue, New York

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Property owner name for The United Nations Church Center - 777 1st Avenue, New York, NY 10017
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Building contacts for The United Nations Church Center - 777 1st Avenue, New York, NY 10017
Building management:
Representatives (from permits):
Tenants:
Real Estate Reports:
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Past Sales & Property History for 777 1st Avenue, New York

Create a free account to view the complete sales history for 777 1st Avenue, New York, including title documents, transfer conditions, mortgages, liens, and pre-foreclosures.

No recorded sales for this property.

Title Documents for 777 1st Avenue, New York

To view the complete history of deeds, mortgages, assignments of leases and rents, and more, sign up for free. Available data goes back to 1966.

Date Type Amount Party 1 Party 2 Doc image
02/07/2022 - D
03/25/2022 - R
Memorandum of Lease
(2022021600443001)
12/01/2016 - D
12/09/2016 - R
Deed
(2016120501363001)
10/23/2009 - D
11/20/2009 - R
Agreement
(2009111700170001)
06/11/2007 - D
07/06/2007 - R
Agreement
(2007062501446001)
09/20/1984 - R Satisfaction of Mortgage
(1770000074277)
09/20/1984 - R Satisfaction of Mortgage
(1760000074276)
09/20/1984 - R Satisfaction of Mortgage
(1750000074275)
09/20/1984 - R Satisfaction of Mortgage
(1740000074274)
09/20/1984 - R Declaration
(1070000074207)
09/20/1984 - R Deed
(1060000074206)
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R: Recorded date
D: Document date

Property Taxes for 777 1st Avenue, New York

Access detailed property tax data for The United Nations Church Center - The United Nations Church Center - 777 1st Avenue, New York, NY 10017. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year: 2025-2026
Property tax: $0
Tax assessor's market value: $18,603,000
Assessed value: $8,371,350
Exemptions granted by city:

Assessment History for 777 1st Avenue, New York

Here's the assessment & property tax history for 777 1st Avenue, New York, including the evolution of the total tax rate and corresponding property tax.

Year Market value Assessed value Taxable Tax rate % Base tax Property tax Year over year change
2025/26 $18,603,000 $8,371,350 $0 10.848% $841,803 $0 n/a
2024/25 $18,337,000 $8,251,650 $0 10.762% $861,058 $0 n/a
2023/24 $17,631,000 $7,933,950 $0 10.592% $840,364 $0 n/a
2022/23 $16,619,000 $7,478,550 $0 10.646% $796,166 $0 n/a
2021/22 $15,032,000 $6,764,400 $0 10.755% $727,511 $0 n/a

Permits for 777 1st Avenue, New York

The complete history of permits filed for 777 1st Avenue, New York, including new construction or demolition permits, plus any work pertaining to plumbing, heating and sprinkler systems is available with a free account. Available data goes back to 1990.

Filing date Job type Job status Job description Initial cost
06/18/2025 Alteration
04/21/2025 Alteration
07/01/2024 Alteration
04/25/2024 Alteration
04/09/2024 Alteration
04/05/2024 Alteration
03/06/2024 Alteration
05/15/2023 Alteration
05/04/2022 Alteration
02/21/2022 Alteration
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Manhattan Commercial Market Stats

Access a detailed real estate market overview of Manhattan so you can assess current trends, property values, types of properties sold and transaction volume. View the median price per sqft in Manhattan and compare it to other boroughs in New York City.

Median Price/Sqft Q1/2026
$680
4.4% YoY
Median Price/Sqft Q4/2025
$550
-15.8% YoY
Median Price/Sqft 2025
$607
-2.5% YoY

Check out recently sold homes in Manhattan and see how their prices compare.

Risk

FEMA flood zone(s): X (See more on map)

Transportation

Distance to Subway
Closest station 3rd Ave & 42nd St at SW Corner
Station lines GS-4-5-6-7
Distance (miles) 0.308
View subway map
Bus Routes
Name 1 Av/E 42 St
Line M15+
Distance (miles) 0.059

Neighbors for 777 1st Avenue, New York

Here are the neighbors for The United Nations Church Center - The United Nations Church Center - 777 1st Avenue, New York, NY 10017.

Address Square feet Purchase date Purchase price
310 E 44th St, New York 206,598 01/26/2015
771 1st Ave, New York 37,500 05/15/1997
765 1st Ave, New York 15,455 10/23/2025 $33,335,000
799 United Nations Plz, New York 325,000
763 1st Ave, New York 10,688 09/21/2000
321 E 43rd St, New York 94,516 01/20/1988
304 E 44th St, New York 37,395 02/11/1998
307 E 44th St, New York 186,255 01/26/2015
844 2nd Ave, New York 1,365 05/09/2018
333 E 43rd St, New York 149,000 08/04/2004 $284,000
340 E 43rd St, New York 3,332 12/09/1998
336 E 45th St, New York 45,100
313 E 43rd St, New York 55,455 06/04/1993
330 E 43rd St, New York 48,892 02/05/2009
336 E 43rd St, New York 4,000 09/23/2022 $4,140,150
3 United Nations Plz, New York 246,215 01/31/1995
820 2nd Ave, New York 170,778
303 E 43rd St, New York 137,127
338 E 43rd St, New York 3,334 12/09/1998
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