M1-4/R6A Zoning District — New York City
M1-4/R6A is a zoning district on New York City's zoning map.
M1-4/R6A is a zoning district on New York City's zoning map. It allows industrial and commercial uses; new residences are generally excluded. 338 tax lots citywide carry M1-4/R6A as their primary zoning designation.
Records for lots carrying this designation, which pairs a manufacturing base with a residential overlay, describe a stock that is majority residential despite that pairing: 56% of roughly 340 lots are coded residential, holding 2,154 recorded homes. The buildings are largely prewar — 65% predate 1940, a median construction year of 1931 — with two-family homes and walk-up apartment buildings leading the recorded classes. 85% of lots record floor area below their allowance, with a median residual of 1.7 FAR.
What actually stands in this district
Pairing a manufacturing base with a residential overlay does not always produce a majority-residential stock, but it does here: 56% of this designation's roughly 340 tax lots are coded residential, and the file counts 2,154 recorded homes across them — one of the more housing-heavy recorded mixes among the paired designations in this batch, and a real contrast with designations elsewhere in this batch where residential coding covers only a minority of lots. At roughly 340 lots, this designation also sits well above the smaller footprints recorded for some of its paired counterparts in this file.
That housing stock reads as largely prewar: 65% of recorded buildings predate 1940, and the median construction year is 1931. The 1945-1975 postwar boom added only 8% to the stock, while 24% of buildings have gone up since 2000 — recent decades outpacing the boom years by a real margin here, even on a stock this old overall, and a further sign of steady, if modest, construction continuing well past the neighborhood's founding era.
Two-family homes lead the recorded building classes at 20%, walk-up apartment buildings follow at 17%, and garage buildings add 13% — a household-and-service mix consistent with the residential majority above. Land use splits between one- and two-family use at 23%, multi-family walk-up use at 17%, and industrial-and-manufacturing use also at 17%, the last a reminder of the designation's manufacturing base even where housing predominates. Buildings rise to a median of 2 stories, with just 2% recorded above 6 floors, keeping the built form low even as the residential share runs high.
Lots run a median of 2,500 square feet, with the 90th percentile reaching 9,374 square feet, a range that leaves room for both typical rowhouse-scale parcels and a handful of larger assembled lots. Flood exposure touches 12% of these roughly 340 lots, and none, 0%, carry historic-district status on record, leaving flood exposure as the only real recorded overlay here beyond the zoning designation itself.
On the development side, 85% of lots record floor area below their allowance, with a median residual of 1.7 FAR — real room, though narrower than some of the more wide-open designations in this batch. Each of the roughly 340 lots carries its own recorded figures separately; the floor-area and height rules governing this designation, with citations, are laid out in the tables above rather than in this summary of the recorded stock.
Bulk rules for M1-4/R6A
This code appears on the City's zoning map, but it doesn't have a standalone bulk-rules table — paired and non-standard map designations are governed at the individual-lot level. Run a lookup on a specific address for its governing rules.
About manufacturing districts
Manufacturing districts allow industrial and many commercial uses; new residences are generally excluded. Manufacturing bulk is governed by § 43- of the NYC Zoning Resolution.
Contextual districts pair their floor-area ceilings with prescribed base and maximum building heights so new buildings mirror existing neighborhood form; non-contextual districts govern the envelope through more general height and setback rules, such as sky exposure planes. Commercial districts also allow residences under the rules of a residential-equivalent district, while manufacturing districts generally exclude new residences. Overlays and special purpose districts can modify any of this on a specific lot.
Example lots zoned M1-4/R6A
- 499 President Street — 50,748 sq ft lot, 6.47 built FAR, built 2023
- 805 Rockaway Avenue — 46,000 sq ft lot, 3.47 built FAR, built 1930
- 62 South 2nd Street — 28,900 sq ft lot, 2.99 built FAR, built 1952
- 11-36 45th Road — 34,500 sq ft lot, 3.53 built FAR, built 2024
- 33 4 Street — 15,578 sq ft lot, 4.81 built FAR, built 2024
- 279 Butler Street — 12,500 sq ft lot, 2.33 built FAR, built 2005
- 193 Bond Street — 12,500 sq ft lot, 2.56 built FAR, built 2020
- 11-25 45 Avenue — 12,500 sq ft lot, 3.31 built FAR, built 2012
- 11-35 45 Avenue — 10,000 sq ft lot, 3.15 built FAR, built 2014
- 558 Sackett Street — 6,400 sq ft lot, 4.21 built FAR, built 2025
- 345 Butler Street — 37,500 sq ft lot, 1.44 built FAR, built 1954
- 47-05 5 Street — 7,500 sq ft lot, 3.16 built FAR, built 2015
M1-4/R6A — quick questions
- How many tax lots are zoned M1-4/R6A?
- 338 tax lots citywide carry M1-4/R6A as their primary zoning designation, per NYC municipal records as of 2026-07-11.
- Is this designation mostly residential?
- Yes, on the whole: 56% of its roughly 340 lots are coded residential, holding 2,154 recorded homes, despite the designation's manufacturing base.
- How old are the buildings on lots zoned this way?
- Mostly prewar: 65% predate 1940, at a median construction year of 1931. The 1945-1975 boom added 8%, and 24% of buildings have gone up since 2000.
- What kind of buildings stand on lots carrying this designation?
- Two-family homes lead at 20%, walk-up apartment buildings at 17%, and garage buildings at 13%, at a median height of 2 stories.
- Are lots with this designation in a flood zone?
- A minority: 12% of these roughly 340 lots sit inside the mapped federal flood zone.
Keep learning
What do the M1-4/R6A rules mean for a specific lot?
PearlAudit resolves the governing zoning for any NYC tax lot — district, overlays, special districts — and cites the Zoning Resolution section behind every rule claim.
District data: NYC municipal records (Department of City Planning) and the NYC Zoning Resolution. See our sources and methodology. Parcel data as of 2026-07-11.