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Geographic Information Systems (GIS)


The Sullivan County ITS, GIS Program staff are committed to providing high quality GIS data and services to the public. Our GIS team develops and maintains data hosted in the Sullivan County GIS Infrastructure. This data is then used to provide maps, apps, and data to commercial vendors, government organizations, non-profit organizations, and the general public. Day-to-day operations include database development, data creation, data maintenance, app development, custom map orders, and GIS problem resolution.




How can we help you?

Need data?

Our Sullivan County Open Data Portal is back up and ready for your downloading needs! We thank you for your patience as we rebuilt the portal to accommodate our new infrastructure. If you experience difficulty accessing or using the open data site please feel free to contact us via email using the link at the bottom of this page. We apologize for any inconvenience.

  • View free, open source GIS data.
  • All data is licensed under a CC Attribution-ShareALike 2.0 Generic License. Users of this data and information certify that it will not be used for solicitation or fund-raising purposes. Please see item metadata/details page for additional information and disclaimer.
  • We are developing new data, and improving existing data, on a consistent basis so make sure to visit again!

Need answers?

Most visitors can answer their questions using the Interactive Mapping Apps below.

To view the app gallery in a full browser window, click here


Explore our newest app!

The Sullivan County Community Services Dep't and the Sullivan County GIS Program are excited to introduce our new Intervention and Prevention DashboardThe Intervention and Prevention Dashboard is used to promote awareness of resources available to individuals addressing issues that impact our county’s health and to assist those impacted by substance use disorder.


Contact us:
Sullivan County Gov't Center
Information Technology Services
100 North St
Monticello, NY 12701
Phone: (845) 807-0221
Email: GIS Coordinator