M3-1 Zoning in NYC: Heavy manufacturing
M3-1 districts are the heaviest industrial designation — power plants, major infrastructure, working waterfront. Citywide, 2,433 tax lots carry a primary M3-1 designation.
Where M3-1 lots are
- Brooklyn: 883 parcels
- Staten Island: 773 parcels
- The Bronx: 423 parcels
- Queens: 340 parcels
- Manhattan: 14 parcels
FAQ
What is M3-1 zoning in NYC?
M3-1 is one of the heaviest industrial designation — power plants, major infrastructure, working waterfront. Across New York City, 2,433 tax lots carry a primary M3-1 designation.
How built-out are M3-1 lots today?
Built-out levels vary widely by lot; check any specific parcel on the free NYRezone map.
Does City of Yes affect M3-1 parcels?
0 M3-1 parcels flag as potentially affected by at least one City of Yes for Housing Opportunity program in NYRezone's screening model. Program applicability is parcel-specific — verify each lot.
Screen every M3-1 parcel free
The NYRezone map scores all 2,433 M3-1 lots on unused floor area, City of Yes eligibility, and assemblage potential. No login.
Parcel figures derive from NYC Department of City Planning PLUTO data as processed by NYRezone. Zoning regulations are summarized for orientation only — always verify specifics in the NYC Zoning Resolution and with the Department of City Planning before acting on any parcel.