Spatial features representing city map alterations in New York City from the Digital City Map (DCM). These alterations document changes to the city map approved by the City Planning Commission.
Format
A simple feature collection with 5,105 features and 19 fields:
- boro_code
Borough code (single letter: M, X, K, Q, R)
- app_num
Application number for the map alteration
- project_nm
Project name associated with the alteration
- filed_stat
Filed status code
- status
Current status code of the alteration
- effect_dt
Effective date of the alteration
- bp_num
Borough President number
- cc_res_num
City Council resolution number
- zr_update
Zoning resolution update indicator (0/1)
- cert_date
Certification date
- chg_type
Type of change
- altmappdf
Filename of the alteration map PDF
- altmaplink
URL link to the alteration map PDF
- sec_sheet
Section sheet number
- app_rectyp
Application record type
- map_num
Map number
- boro_name
Full borough name
- hyperlnk
Alternative hyperlink to documentation
- cptype
City Planning type code
- geometry
Multipolygon geometry (NAD83 / New York Long Island ftUS)
Source
NYC Department of City Planning Digital City Map, October 31, 2025
https://www.nyc.gov/site/planning/data-maps/open-data/dwn-digital-city-map.page