Prince William County, Virginia REAL ESTATE TAXES DUE July 16, 2018 Prince William County real estate taxes for the first half of 2018 are due on July 16, 2018. If you have not received a tax bill for your property and believe you should have, contact the Tax Administration Office at (703) 792-6710 or by email at TaxpayerServices@pwcgov.org If you receive a tax bill and escrow property taxes with your mortgage company, you should contact your mortgage company immediately. Your mortgage company will tell you the correct procedure for having the mortgage company pay the County directly on your behalf. Payments made after July 16 will be charged a 10% late payment penalty and interest in accordance with state law. Published in accordance with Code of Virginia Title 58.1-3911