21 East 81st Street na-enye ohere pụrụ iche na nke dị iche na otu n’ime ndị na-achọsi ike ụlọ n’elu East Side, nke e kwadoro nke ọma n’etiti Fifth na Madison Avenues. E wuru na 1899 site n’aka ndị na-emepụta ihe a ma ama Welch, Smith & Provot, ụlọ limestone Neoclassical a nke dị mita 20 nke宽 na-efegharị site na nkeji 8,600 nke square na ogige anọ, nke e chịrị elu site na ọkpọ ọkwa. Ihu elu ukwu, ihe osise echiche mbụ dị mkpa, na ogige ọkụ na-ere ọkụ n’ime fọrọ nke nta ka ọ bụrụ ụlọ niile na-eme ka ime ụlọ ahụ pụta ìhè, ebe ụgbọ elu na-eje ozi na ọkwa niile. Ugbu a, a haziri ya dịka ụlọ ezinụlọ abụọ—n'ụlọ nke onye nwe ya nwere onye nwere obere ụlọ na-emepụta ego —ụlọ a na-enye atụmatụ pụrụ iche na ohere ogologo oge nke a pụrụ ịgbanwe n’ụzọ dị mfe ka ọ bụrụ ezi na ụlọ.

21 East 81st Street presents a rare and highly unique opportunity on one of the Upper East Side’s most coveted townhouse blocks, perfectly positioned between Fifth and Madison Avenues. Built in 1899 by renowned architects Welch, Smith & Provot, this 20-foot-wide Neoclassical limestone townhouse spans approximately 8,600 square feet across four stories, crowned by a mansard roof. Grand ceiling heights, significant original architectural detail, and wood-burning fireplaces in nearly every room define the interiors, while an elevator services all levels. Currently configured as a two-family residence—an owner’s quadraplex with income producing duplex —the home offers exceptional flexibility and long-term potential which can also can easily be converted to a single family.