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


This Natural Resource Inventory (NRI) Story Map identifies and describes important naturally-occurring and protected resources within Erie County. It provides the basis for land conservation planning and land-based decision making and conservation. The NRI provides descriptions and map viewers of common natural resource data in Erie County including land cover, protected lands, geology and...

OGIS ArcGIS Online Mapping Application

Try out the ArcGIS Online Erie County Map Viewer!

Erie County OGIS has created an optional map viewer of its GIS data layers HERE: ArcGIS Online site. This mapping site was developed as an alternative to the traditional Erie County...

Fishing Hot Spot

Have you visited the Western New York Hot Spot Fishing Map? Learn which fish are located where throughout the waters of Erie County, as well as locations of shore fishing sites, bait and tackle shops, launches and marinas, and shipwrecks! Click to view this interactive map.


Check out the Census Reporter for useful facts about every place in America. Census reporter is an easy to use way to compare places with tables and maps AND to download Census data. ...

Tax Parcels

Erie County makes available tax parcel data in GIS format for free. As of early 2019, our 2018 parcel data can be downloaded. If you are interested in obtaining the 2018 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