All owners of business personal property must complete and return a personal property declaration to the Assessor no later than November 1st annually. Both unpaid Real and Personal property will be included in the annual Advertising List that is included in the local paper starting the first part of May.The Franklin County Tax Assessor's Office is responsible for listing and assessing business and professional property for ad valorem taxation. Please contact Diana Falica – Tax Collection Clerk. Phone: 973-827-9280 x 117. The tangible personal property tax has been phased out for general business filers. View Tax Bills Online. General and School Tax Bills may be viewed online in the Receiver of Taxes Payment Center.