All owners of business personal property must complete and return a personal property declaration to the Assessor no later than November 1st annually. Who Should File: All owners of taxable personal property.If you no longer own the above noted business or personal property assessed in your. Note: Please fill out and mail to: Williamson County Property Assessor Attn: Personal Property Dept. 1320 West Main Street, Ste 300. The Franklin County Tax Assessor's Office is responsible for listing and assessing business and professional property for ad valorem taxation. You can search for property records and property ownership information online, in person, or over the phone with a 311 representative. Zillow has 62 homes for sale in New York matching Franklin Street. See pricing and listing details of Franklin real estate for sale. TPG and its partners are investing in two New York City buildings in the hope of converting them from office to residential.