➢ Purchase cost is the full capitalized or expensed original cost, including sales tax, freight, setup, and installation of all tangible personal property. Every time they even think about getting rid of it they realize how much money they would lose out on each year.To request this information in an alternate format, contact the Department of Tax Administration at. 703-222-8234 option 3, TTY 711. Let's go over answers to the most frequently asked questions about personal property taxes. Confused about paying business personal property tax in Fairfax City? Read this blog to learn more about this tax before it's too late. Personal property statements are due on May 1st of every year. Please include only one year's cost. Do I need to register my vehicles in Loudoun County even if they are already registered in the state of Virginia?