Who publishes Greenbook?

Department of Citywide Administrative Services (DCAS), part of City of New York, publishes this dataset on NYC Open Data.

How often is it updated?

The publisher lists the update frequency as quarterly. The last update was on 10/29/2026.

How do I download it?

It is available as CSV, JSON, XML. Use the links in Files and access, which open the official government source.

Something wrong? Let us know

Checked Oct 31, 2026

City dataGovernment & Elections

Greenbook

Name: Greenbook
Creator: City of New York
Published: 2023-12-29T20:53:41.000Z

Published by Department of Citywide Administrative Services (DCAS) · Updated 10/29/2026 · Quarterly

Official source Download CSV

Last updated: 10/29/2026; First published 12/29/2023
Update frequency: Quarterly
Formats: 3; CSV, JSON, XML
Coverage: New York; City in New York

About this dataset

The Green Book Online is a fully searchable database which gives New Yorkers the opportunity to search for the agencies, offices, boards and commissions that keep our City running. It includes listings for all levels of New York City government, County, and the unified Courts system.

Files and access

Links open the official government source

CSV downloaddata.cityofnewyork.usCSV
JSON (SODA API)data.cityofnewyork.usJSON
XMLdata.cityofnewyork.usXML

API endpoint: https://data.cityofnewyork.us/resource/mdcw-n682.json

Links open outside websites we do not control.

Frequently asked questions

Who publishes Greenbook?: Department of Citywide Administrative Services (DCAS), part of City of New York, publishes this dataset on NYC Open Data.
How often is it updated?: The publisher lists the update frequency as quarterly. The last update was on 10/29/2026.
How do I download it?: It is available as CSV, JSON, XML. Use the links in Files and access, which open the official government source.

Where this catalog comes from

Data.gov CatalogU.S. General Services Administration
State and local open data portalsSocrata Discovery API
State and city CKAN portalsCalifornia, Virginia, Boston, Houston and more
Government ArcGIS Hub sitesCity and county GIS data

Catalog checked 10/31/2026

We list dataset descriptions only. Downloads and APIs link straight to the official government source, which holds the current version and its terms of use.

Source: NYC Open Data and Data.gov · Last updated 10/31/2026 · Listing only; the data stays with the publisher