M1-6/R9 Zoning District — New York City

Development headroom stands out on lots carrying this designation: 89% of these roughly 18 lots record floor area below their allowance, with a median residual of 4.7 FAR — a wider gap than most designations in this batch show. That combination of a high share of lots with room to spare and a real median residual, rather than just a handful of outsized lots pulling the figure up, describes a stock that has built out only a modest fraction of what its lots record capacity for. Few designations of comparable size in this batch pair that high a share of lots with headroom to a residual this wide at the same time.

The recorded building classes lead with garages at 28%, mixed residential-and-commercial buildings at 22%, and office buildings at 11% — an auto- and commerce-oriented mix rather than a residential one. Land use tells a related story: mixed residential-and-commercial use covers 33% of lots, transportation-and-utility use another 17%, and public-and-institutional use a further 17%, together describing a designation organized around service and civic functions as much as around housing. Even so, 39% of lots are coded residential, and the file counts 664 homes across the designation — a modest but real population sitting alongside the service-oriented land uses recorded above rather than crowded out by them.

The construction record leans prewar without being uniform: a median year of 1910, with 56% of recorded buildings predating 1940. The 1945-1975 postwar boom added 19% to the stock, and a further 25% has gone up since 2000 — a meaningful recent share on top of an old core, one of the more active recent-construction figures recorded for a designation this size in the batch. Lots run to a median of 4,973 square feet, with the 90th percentile reaching 17,985 square feet, and buildings rise to a median of 4 stories, with only 13% recorded above 6 floors.

Neither flood exposure nor landmark status shows up in the record here: 0% of these lots sit inside the mapped federal flood zone, and 0% carry historic-district status, an absence on both counts that sets this designation apart from others in the batch carrying real shares of either. That double absence leaves the headroom and construction-era figures above as the measures that most distinguish this designation's file. Each lot's own recorded figures sit on that lot's own page, and the floor-area and height rules that govern this designation are cited, with their sections, in the tables above.