Established in 1976, this is one of the earliest co-operative loft conversions in SoHo. Spanning nearly the entire south side of Grand St between Greene St & Wooster St, the Grand Loft Corp is made up of four distinct cast-iron and masonry buildings (#75-85), constructed between the years 1872 and 1907. The co-op is pet-friendly, allows pied-a-terres case-by-case and is…