| Primary address | 866 United Nations Plaza #450 |
| Secondary address | 866 United Nations Plz,, |
| Neighborhood | Turtle Bay |
| Zip code | 10017 |
| Borough | Manhattan |
| Block & lot | 01360-1064 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Purchase date | 02/18/2025 |
| Purchase price | $60,811,441 |
| Tax class | Register |
| Estimated property tax | $134,652 |
| Lot sqft | 88,357 |
| Building class | Office Space (RB)
|
| Building sqft | 5,892 |
| Buildings on lot | 1 |
| Stories | 6 |
| Year built | 1967 |
| Year last altered | 2009 |
| Commercial units | 1 |
| School district | 2 |
| Community district | 6 |
View more neighborhood information such as transportation, nearby schools and risk designations in the dedicated tab.
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You will find all alternate addresses for the property in this section.
This Office Space (RB) located at 866 United Nations Plaza #450, New York, NY 10017 has a total of 5,892 square feet and a current price per square foot of $10,321.
What is the year built & the current market value of 866 United Nations Plaza #450, New York, NY 10017?866 United Nations Plaza #450, New York, NY 10017 was built in 1967 and has a current tax assessor's market value of $2,910,972.
How many commercial spaces does this building have?This building has 1 commercial spaces available for lease. There are 6 active listings at this address.
View property contacts like owners, building management, representatives from permits and tenants with a free account. For LLC-owned properties, access manually researched real owners and phone numbers.
| Listing type | For Lease |
|---|---|
| Listing date | 06/29/2021 |
| Last updated | 01/23/2025 |
| Lot size | 2.03 Acre |
| Suite name | Space type | Lease rate | Available space | Brokers |
|---|---|---|---|---|
| Partial 5th Floor: Corner Unit with Great Natural Light | Office | $70/Sqft/Year | 5,000 | William Akleh (917) 660-4165 |
| Listing type | For Lease |
|---|---|
| Listing date | 12/07/2016 |
| Last updated | 03/25/2026 |
| Lot size | 2.03 Acre |
| Suite name | Space type | Lease rate | Available space | Brokers |
|---|---|---|---|---|
| #250 | General Office | Listing price not available | 10,231 | Jared L. Horowitz Erik S. Harris Zachary A. Weil |
| #309/315 | General Office | Listing price not available | 5,967 | Jared L. Horowitz Erik S. Harris Zachary A. Weil |
| #512/514/516 | General Office | Listing price not available | 7,104 | Jared L. Horowitz Erik S. Harris Zachary A. Weil |
| Listing type | For Lease |
|---|---|
| Listing date | 01/20/2026 |
| Last updated | 05/15/2026 |
| Lot size | 2.0284 Acre |
866 United Nations Plaza is located in Midtown East, directly across from the United Nations Headquarters, in one of Manhattan’s most internationally recognized corridors. The area is defined by a dense mix of diplomatic missions, office buildings, luxury residential towers, hotels, and institutional uses, creating consistent weekday activity and a strong built-in audience. The property benefits from excellent connectivity, with close proximity to Grand Central Terminal and access to multiple subway lines, including the 4, 5, 6, 7, and Shuttle. Major east–west thoroughfares and nearby FDR Drive provide convenient vehicular access to Midtown, Downtown, and the outer boroughs. Surrounding the site are restaurants, cafés, services, and neighborhood retail catering to office workers, residents, diplomats, and visitors. The combination of global visibility, dense daytime population, and established infrastructure makes this location well suited for retail and community-oriented uses seeking a prominent Manhattan address.The available space at 866 United Nations Plaza consists of Suite 552 (6,161 SF) and Suite 555 (5,482 SF), both located at street level and available individually or as a combined opportunity totaling approximately 11,643 SF.
| Suite name | Space type | Lease rate | Available space | Brokers |
|---|---|---|---|---|
| Suite 552 | Office | Listing price not available | 6,161 | Cory Gahr |
| Suite 555 | Office | Listing price not available | 5,482 | Cory Gahr |
Create a free account to view the complete sales history for 866 United Nations Plaza #450, New York, including title documents, transfer conditions, mortgages, liens, and pre-foreclosures.
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.
R: Recorded date
D: Document date
Access detailed property tax data for 866 United Nations Plaza #450, 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: | $128,413 |
| Estimated property tax: | $134,652 |
| Tax assessor's market value: | $2,910,972 |
| Assessed value: | $1,309,937 |
Here's the assessment & property tax history for 866 United Nations Plaza #450, 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 | $2,910,972 | $1,309,937 | $1,183,752 | 10.848% | $128,413 | $128,413 | -2.01% |
| 2024/25 | $2,847,127 | $1,281,207 | $1,217,705 | 10.762% | $131,049 | $131,049 | +0.26% |
| 2023/24 | $2,742,225 | $1,234,001 | $1,234,001 | 10.592% | $130,705 | $130,705 | +7.36% |
| 2022/23 | $2,541,201 | $1,143,540 | $1,143,540 | 10.646% | $121,741 | $121,741 | +9.40% |
| 2021/22 | $2,299,341 | $1,034,703 | $1,034,703 | 10.755% | $111,282 | $111,282 | -23.97% |
The complete history of permits filed for 866 United Nations Plaza #450, 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.
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Distance to Subway
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| Closest station | 3rd Ave & 53rd St at SE Corner | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Station lines | E-M-6 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Distance (miles) | 0.382 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Bus Routes
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| Name | 1 Av/Mitchell Pl | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Line | M15 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Distance (miles) | 0.073 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
