The Department of Finance administers New York City's business and excise taxes. Important resources.Find property information, pay property taxes online, explore property records (ACRIS), apply for tax exemptions and abatements. Our property owner webpages include information about assessments, property tax relief, and more. You'll find everything you need to know. Tracking and managing property tax compliance is challenging due to changing laws, due dates, rates, and filing requirements. Complete the new business setup form (206KB). Business Personal Property Tax is a tax assessed on tangible personal property businesses own. You must report personal property used in a business as of January 1 of any year.