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Panorama of New York City File 128-921-183

New York City, NY city

structure #236218610building

646 1st Avenue

existing 27.9 m 11 floors 1910

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Location of 646 1st Avenue
Height Rankings

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Architectural Height27.9 m
Main Roof Height27.9 m
Floors11
Completion1910
Structural Formhigh-rise building
Main Usagecommercial office
Status existing
Address646 1st Avenue
Smart Address646 1st Avenue
Smart Address646–650 1st Avenue
Smart Address652–654 1st Avenue
Smart Address401–409 East 37th Street
CityNew York City
CountryUnited States
Source: SKYDB | As of: 2026-09-16

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