Look up property values and learn more about the county-wide reassessment. Find property records, real estate tax assessments, and additional information about properties in Allegheny County.What is the procedure for listing personal property? Personal Property includes unlicensed automobiles, trailers, campers and motorcycles. The property appeal process is complex and ever-changing. I hope today's presentation helps you better understand this process and your rights. After marking your property, fill out the inventory list and bring it to Public Safety. Typically, the school district millage rate is largest. Download and fill out this Application for Exemption of Real Estate Taxation form. Round amounts to the nearest whole dollar.