Annual Payment Schedule Taxes are due on July 1 of the tax year and may be paid without interest on or before September 30 of the tax year. Semi-annual Payment Schedule If you are eligible, one half of the total tax bill is due on July 1 of the tax year and may be paid without interest on or before September 30 of the tax year. The remaining half of the bill and associated service charge is due on December 31 of the tax year. Interest on unpaid taxes is payable at 1% per month or portion thereof for County taxes and 1½ % per month or portion thereof for City of Annapolis taxes. | 
