M3-1 Zoning in NYC
M3-1 is a heavy manufacturing zoning district in New York City. This page shows MapPLUTO parcel data for the district and leaves out bulk figures NYRezone has not verified. 2,433 tax lots carry the M3-1 designation, 36% of them in Brooklyn.
M3-1 lots in the data
Where M3-1 lots are
- Brooklyn: 883 parcels
- Staten Island: 773 parcels
- The Bronx: 423 parcels
- Queens: 340 parcels
- Manhattan: 14 parcels
Browse by area in the neighborhood index.
M3-1 zoning questions
Where are the M3-1 lots?
Brooklyn 883, Staten Island 773, The Bronx 423, Queens 340, Manhattan 14.
Look up any M3-1 lot
The NYRezone NYC zoning map shows zoning, buildable area and unused floor area for every parcel. No login.
Sources & freshness
Data: NYC MapPLUTO 26v2 (checked Sept. 28, 2026); compiled by NYRezone. Parcel counts and built-versus-allowed FAR come from that release. Rule values come from the NYC Zoning Resolution as amended by City of Yes for Housing Opportunity (Dec 2024). This is orientation, not legal advice: confirm a lot with the Department of City Planning before you act on it.