M1-6A Zoning District — New York City

Few designations in this file read as thoroughly non-residential as this one. Just 8% of these roughly 37 lots are coded residential, and the file counts only 137 units across the entire designation — a small population on lots this large. Land use backs up that reading: commercial-and-office use covers 35% of lots, industrial-and-manufacturing use another 16%, and transportation-and-utility use a further 16%, leaving little room in the file for housing of any kind. Together those three categories account for the large majority of the land-use file, and no single housing-oriented category comes close to matching any of them.

The recorded building classes lead with garages at 30%, followed by store buildings and office buildings tied at 16% each — a mix built around vehicles, retail, and commercial work rather than living space. Buildings on these lots stay low: a median of just 2 stories, with only 3% of the recorded stock rising above 6 floors, among the shortest profiles this batch of designations shows. That combination of a heavily commercial class mix and a uniformly low-rise stock reads as a working, service-oriented footprint rather than a residential or high-rise one.

The construction record is substantially prewar: a median year of 1929, with 77% of buildings predating 1940. The 1945-1975 postwar boom added 16% to the stock, while just 3% of buildings have gone up since 2000 — one of the quieter recent-construction shares in this batch. Lots run large for this file, with a median of 16,518 square feet and the 90th percentile reaching 36,650 square feet, well above the more tightly packed designations profiled elsewhere, and consistent with the low-rise, garage-and-commercial pattern described above rather than the compact rowhouse footprints found on some other designations.

The file carries no reliable floor-area-capacity coverage for this designation, so no headroom or residual-FAR figure can be cited here — an absence in the record rather than a claim either way. That gap sits alongside otherwise full coverage: building class, land use, year built, floor count, flood status, and lot size are all tracked for these 37 lots even where development capacity is not. What is on record shows neither flood exposure nor landmark status: 0% of these lots sit inside the mapped federal flood zone, and 0% carry historic-district status, leaving age, height, and lot size as the measures that most define this designation's file. The floor-area and height rules that do govern this designation are set out, with their citations, in the tables above.