Apps Public Apps Blair County GIS Portal The one-stop location for all of our Mapping Applications. Parcel Viewer This App is designed to help make some of Blair County's Assessment information more accessible to the public. Find a Polling Place Type in an address, and this application will tell you where you go to vote. FEMA Flood Hazard App Discover if you are located within a FEMA designated flood zone (FEMA hosted data) For more information on the FEMA Flood Insurance program, click here. Note: This application is for informative, advisory purposes only. Blair County does not declare whether or not a property of interest is within a floodplain, nor do we issue certificates of elevation. Have an idea for an application? Contact Blair County GIS Department at (814) 693-2535 or email us at gis@blairco.org. Contact Blair County Courthouse423 Allegheny St., Suite 011Hollidaysburg, PA 16648 (814) 693-2535 gis@blairco.org HOURSMonday - Friday8:00 AM - 4:00 PM (EST)