M1-8A/R12 Zoning District — New York City

Development headroom reaches its widest point in this batch on lots carrying this designation: 98% of these roughly 99 lots record floor area below their allowance, with a median residual of 9.7 FAR — the largest median gap any designation in this set carries. That degree of unused recorded capacity sits alongside a real constraint of its own: 24% of these lots also carry historic-district status, the highest historic-district share recorded for any designation in this batch. Wide recorded headroom and heavy landmark coverage do not always appear together this strongly elsewhere in the file, and the two figures together describe a stock with real unused capacity on paper, a quarter of it also subject to landmark review.

Office buildings lead the recorded classes at 45%, store buildings follow at 13%, and hotels add 9% — a commercial and hospitality mix rather than one built around any single residential building type. Land use runs in the same direction: commercial-and-office use covers 60% of lots, mixed residential-and-commercial use another 20%, and vacant-land use 6%. Still, 27% of lots are coded residential, and the file counts 2,329 homes across the designation, a substantial total set against a footprint of only 99 lots — housing folded into a stock that reads, on the whole, as commercial and hospitality-oriented.

The construction record is substantially prewar: a median year of 1915, with 82% of recorded buildings predating 1940. The 1945-1975 postwar boom left almost no mark, at 1% of the stock, while 14% of buildings have gone up since 2000 — a real recent share layered onto an old core, one of the more active modern-construction figures recorded in this batch. Buildings rise to a median of 7 stories, with 52% of the recorded stock above 6 floors, and lots run to a median of 4,562 square feet, with the 90th percentile reaching 12,560 square feet — a moderate spread that, paired with the height figures above, describes a dense mid-rise commercial core rather than a scattering of low, wide parcels.

None of these lots, 0%, sit inside the mapped federal flood zone, leaving historic-district status as the more significant recorded overlay for this designation. That absence of any flood-zone overlap, combined with the wide development headroom described above, sets this designation apart from others in the batch where flood exposure and unused capacity appear together. Each lot's own recorded figures sit on that lot's own page, distinct from the citywide shares above, and the floor-area and height rules that govern this designation are cited, with their sections, in the tables above.