Lisa Matthies-Wiza - Director

OGIS LogoErie County's Office of Geographic Information Services (OGIS) addresses the GIS needs of the County's government, its 44 municipalities and its 919,040 residents. To serve the County Government, the OGIS produces and distributes geographic data, creates maps, provides GIS technical support and develops and hosts web-based mapping services catered to the specific needs of interested departments. In addition to distributing geographic data and providing technical support to the County's municipalities, the OGIS assists local governments by holding GIS User Group meetings, by working toward the development of county-wide GIS procedures and standards, and by hosting the Internet Mapping Consortium.

What's Happening in GIS


Erie County one of only five organizations across NYS to receive

2020 Fight Against COVID Application/Dashboard Award   


COVID Dashboard

The Office of GIS has been working hard to support Erie County's COVID-19 response.  A few featured map applications have been developed since March, 2020 to aid the various response efforts.  These include:

  • COVID Dashboard
  • COVID Testing Sites
  • Open Farm Stands
  • School District Dashboard
  • Virtual Learning Support Centers

Tax Parcels

Erie County makes available tax parcel data in GIS format for free. As of September 2020, our 2020 parcel data can be downloaded. If you are interested in obtaining the 2020 GIS dataset of tax parcels, please use the Contact Us link and we will provide download instructions.

Frequently Requested



Phone: (716) 858-8390

Office of Geographic Information Services
Edward A Rath County Office Building
95 Franklin Street, 10th Floor
Buffalo, New York 14202