G Grievance Form Instructions Find out more using the helpful links below. Read More https://www.tax.ny.gov/pdf/current_forms/orpts/rp524ins.pdf N New York State Department of Taxation & Finance Get more information about New York State property taxes and assessments. Read More https://www.tax.ny.gov/pit/property/default.htm O Onondaga County Welcome to the Onondaga County website! Read More (315) 435-2889 421 Montgomery Street, Syracuse, NY 13202 http://ongov.net/