Pay New York City real property taxes. April 1, 2021 Today is the final day to pay the last quarterly installment of 2020–21 taxes to the city’s DOF. Today is the final day to pay the last quarterly installment of 2020–21 taxes to the city’s DOF. Topics Building Management Calendar More like this Pay New York City real property taxes. Pay New York City real property taxes. Pay New York City real property taxes. Pay New York City real property taxes.