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Building Specifications

Property Overview
866 United Nations Plaza is a six-story, Class A office building that was constructed in 1965. The approximately 471,000 square foot structure is located on a full city block from 48th to 49th Streets between First Avenue and the FDR East River Drive, standing just north of the United Nations campus. The building features floor-to-ceiling windows on all sides, providing stunning views of the East River and the United Nations campus, and an 8,000 square foot central courtyard which provides additional natural light to the building.

Building Entrance
There are two entrances to the office building located on 48th Street, each with a separate lobby. The Main Lobby is attended by a security guard on a 24/7 basis, and the smaller, East Lobby is attended during business hours. The attractive lobbies are finished with 17’ high travertine walls and polished granite floors.

Number of Floors
Six stories above ground with floor plates of 78,000 square feet, plus lower level and sub cellar. The six-story office portion is situated beneath two 32-story luxury residential towers that are separately-owned and not part of the offering.

Façade / Exterior
Aluminum and glass with decorative granite columns and bands at ground level.

Each floor has two women’s and two men’s restrooms. There are plumbing risers conveniently located throughout the building that can potentially support additional sinks and restrooms within certain units.

The oversized windows are floor-to-ceiling.

There are six passenger elevators and one freight elevator. The elevators were recently modernized and are fully ADA compliant.

Perimeter induction units and air handlers provide heat to the building, which are controlled by a building management system. The perimeter units use Con Edison steam distributed via hot water circulation, and the air handling units use steam heating coils to heat the air.

Cooling is provided by two 1250-ton steam absorption chillers. The chiller plant utilizes water from the East River for condensing and cooling.

Electrical Service
Electricity is provided through Con Edison. There are 6,000 amps available to the office building, which is the equivalent of approximately 7.0 watts per square foot.

Steam is provided by Con Edison.


Floor Load Capacity
50 lbs. – 120 lbs. per square foot, live load.

Fire / Life Safety
The building is a Class 1 fireproof structure equipped with fire standpipe and sprinkler protection.

The building has 24/7 on-site security. Security cameras are used to survey lobbies, hallways and stairwells.

Loading Dock
A freight entrance and loading dock is located on the eastern end of the building off of 48th Street.

There is a public garage located beneath the building with an entrance located on 49th Street, which is managed by a garage operator. The garage offers both monthly and daily parking.