Where is the return filed? Form 945 is used when the personal property of a new business is located in multiple Ohio counties.The tangible personal property tax has been phased out for general business filers. Personal Property -- Various forms provided from the State of Ohio website. To obtain your tax amount you may call our Customer Service Department at 614-525-3438 or check the Property Search page of our website. A post office box is not acceptable as the property address. Note: The above items are not a complete listing. Property owners across Ohio are feeling the pain with record high property tax bills and are looking for help to ease their burden. In accordance with the Ohio Revised Code , the Hamilton County Treasurer is responsible for collecting three kinds of property taxes: real estate (O. The tax payment drop box will be available during tax collection periods. Online.