23 E 67th Street Mixed-use townhouse for sale on East 67th Street between Fifth and Madison Avenues, in the heart of Madison Avenue's Gold Coast and one block from Central Park. Built 1910, gut renovated 2008-2009. Ground floor retail (approx. 1, 740 SF) with finished lower level (approx. 1, 780 SF) and private rear patio. Floors 2-5 are office/gallery space of approx. 1, 577 SF each, plus a 2nd floor terrace. Duplex penthouse (6th floor and mezzanine, approx. 1, 750 SF) with terrace, for residential and/or commercial use. Separate street entrance for the upper floors, elevator, and art lift. Fully leased. Zoning C5-1, lot 20 x 100.42, approx. 9, 136 SF unused FAR. Block 1382, Lot 16.