The Department of Finance (DOF) uses income and expense information each year to value income-producing properties. See our Municipal Profiles for your local assessor's mailing address.Do not file any exemption applications with the NYS Department of Taxation and Finance or with the Office of Real Property Tax Services. You can get information about your property tax benefits, including: Application status, Current benefit amounts, Proposed benefit for the upcoming tax year. I have equipment under contract with a leasing company, and the leasing company is billing me for Personal Property Taxes, is this legal? Instructions may require some information to be handwritten on the form (signatures, for example). 150-303-450 (Rev. 12-18-23). If property is owned jointly with others, give names of joint owners and their relationship to the incapacitated person.