M1-1A is a manufacturing zoning district governed by ZR 43-132, with commercial far of 2, a maximum building height of 65 feet.
These are the figures the engine applies when it models a lot in M1-1A. Where a rule differs between a narrow and a wide street, both are shown.
| Commercial FAR | 2 | ZR 43-132 |
|---|---|---|
| Manufacturing FAR | 2 | ZR 43-132 |
| Base maximum — wide street | 45 ft | ZR 43-132 |
|---|---|---|
| Max height — wide street | 65 ft | ZR 43-132 |
| Setback — wide street | 10 ft | ZR 43-132 |
| Base maximum — narrow street | 45 ft | ZR 43-132 |
| Max height — narrow street | 65 ft | ZR 43-132 |
| Setback — narrow street | 15 ft | ZR 43-132 |
At 2 FAR, a 10,000 square foot lot in M1-1A carries roughly 20,000 square feet of zoning floor area.
That is the ceiling, not the answer. The height envelope, required yards, lot shape, street width, overlays and any special district all cut into it. Running the real lot is the only way to know which constraint binds first.
A section through the M1-1A envelope, drawn to scale from the figures in the table above. The solid shape is as of right; where the district carries a City of Yes uplift, the dashed outline is what affordable housing adds.
Diagrammatic. It shows the governing heights and the setback on a regular lot, not your lot: the sky exposure plane, lot shape, corner conditions and any overlay all reshape this in practice.
Every area of the city zoned M1-1A, from NYC Planning’s published zoning district layer.
Use groups permitted in M1 districts:
M1-1A has a commercial far of 2, set by ZR 43-132. On a 10,000 square foot lot that is about 20,000 square feet of zoning floor area before any bonus, and before the height envelope and yard requirements are applied.
The maximum building height in M1-1A is 65 feet on a wide street, with a street wall rising to between 0 and 45 feet before a required setback. Height is measured and applied under ZR 43-132.
Source: NYC Planning zoning districts.