for more information about buying an apartment in 860 united nations plaza , please call us at 212-755-5544 , or contact us by email what is 860 un plaza new york , ny 10017 cooperative built in 1966 located in turtle bay/united nations 167 apartments 39 floors 50 % down 36 % tax deductible full-time doorman full service garage health club elevator wonderful views large , impressive lobby proximity to united nations and its gardens doorman garage more about where the osberg kids lived at the un plaza ; united nations plaza apartment buildings across from un building !