Zoning Analysis Nyc

/zoning-analysis-nyc — Zoning Envelope Analysis (New York City)

Analyze building envelope rules for any lot in New York City using the PLUTO database (NYC Open Data) and the NYC Zoning Resolution.

Workflow

Step 1: Parse Input

Accept one of the following identifiers:

• Address + Borough/Zip — e.g., "123 Main St, Brooklyn 11201"
• BBL — 10-digit Borough-Block-Lot (e.g., 3012340056 = Brooklyn, Block 1234, Lot 56)
• BIN — Building Identification Number

Normalize to BBL format: [borough 1 digit][block 5 digits][lot 4 digits]

Borough codes:

Code	Borough
1	Manhattan
2	Bronx
3	Brooklyn
4