Pay Personal Property Taxes Online enables online payments for personal property tax bills received from Middlesex County. The submission shall be accompanied by: (1) NonCollusion Affidavit, (2) Disclosure of Ownership.Briefly describe the condition of the item and reason(s) for appealing the current assessment. A single personal property assessment is made for all taxable personal property of the owner located in the city or town. 2. Introduction. The Senior Freeze (Property Tax Reimbursement) program reimburses senior citizens and disabled persons for property tax increases. Contact Middlesex State Farm Agent Allison Roy at (732) 564-6991 for life, home, car insurance and more. Get a free quote now. Execution Against Real Estate. Use only blue or black ink when completing your application. • Fill in the applicable ovals completely like this: .