Use the internet mapping system found here:
http://erie-gis.co.erie.ny.us/websit..._help/help.htm
When you're on the map, zoom into the address, then change the "Layers" to show Parcels, and make Parcels "Active". Once you've zoomed in far enough, you can change the "Zoom In" button to the "Identify" button, then click on the parcel to get the info.