Interactive Mapping in Tompkins County is a joint venture with the City of Ithaca GIS Program , and Tompkins County GIS . The County uses ArcGIS Server technology to provide this service.
We offer Online Mapping Services for both Public and for Inter-Agency Specific Use. Please note that the following services below requires Microsoft Silverlight and Adobe Flash Plug-in

New Interactive Map Services Portal ready. Jump to it via the link here.
Silverlight and Adobe Flash plug-ins required.

For more City of Ithaca Public interactive Maps contact the City of Ithaca GIS Program.

Reload/Refresh Browser Cache Often!
Please note that we are making changes to the map services on a regular basis so it is important that you remember to refresh/ reload your browser cache regularly. This will save you many frustrations when using our map services and is also a good browsing practice. Hitting the F5 key on your keyboard will work most of the time but sometimes that is not enough.

If you are looking for the old ArcIMS Apps sorry they have ben discontinued.