SDAT Announces Improvements to Ground Rent System March 10, 2022 BALTIMORE, MD – The Maryland State Department of Assessments and Taxation (SDAT) today announced a more simplified ground rent redemption system for Maryland homeowners who are subject to ground rent. Click the following link to read the SDAT Announces Improvements to Ground Rent System press release issued by the Maryland Department of Assessments and Taxation. Comments Off on SDAT Announces Improvements to Ground Rent System