Home Individual Taxes Property Tax Property Tax The Maryland Department of Assessments and Taxation administers and enforces the property assessment and property tax laws of Maryland. Maryland's 23 counties, Baltimore City and 155 incorporated cities issue property tax bills during July and August each year. The tax levies are based on property assessments determined by the Maryland Department of Assessments and Taxation (SDAT). Since the Comptroller's Office does not process property tax, we have provided the following links to Maryland property tax information: Learn about it! Visit the Maryland Department of Assessments and Taxation's Web site to learn about real property tax and assessments. Register it! Information on Ground Rent Registration and the Ground Rent Redemption Loan Program can be found here. Pay it! Most likely, payment of your real property tax is handled through your mortgage lender, but you can view local property tax rates on SDAT's Web site. You can also view Local Tax Billing & Collection Offices information. Get help if you need it! Contact SDAT or visit one of their local assessment offices.