Maryland Code, Housing and Community Development § 4-1811

(1) within 5 years of the date of purchase, the original buyer shall pay the lesser of 20% of the net proceeds of transfer to the Department or a 5% annual return on the Program funds provided for the unit;

(2) during the period that is more than 5 years but less than 15 years from the date of purchase, the original buyer shall pay to the Department the lesser of a percentage of the net proceeds of transfer that begins at 20% and declines by 2% for each subsequent year of ownership or a 5% annual return on the Program funds provided for the unit; and

(3) during the period that is 15 years or more from the date of purchase, the original buyer is not required to pay any portion of the net proceeds of transfer to the Department.

(1) of the funds paid by the original buyer to the Department under subsection (b) of this section, an amount equal to the matching funds provided by the qualifying local government for the homeownership workforce housing unit; and

(2) of the funds paid by the original buyer to the Department under subsection (c) of this section, a proportionate share based on the amount of matching funds provided by the qualifying local government for the homeownership workforce housing unit.

(g)(1) The amounts owed to the Department in the event of a transfer of title of a homeownership workforce housing unit under this section shall be secured by a recorded lien on the homeownership workforce housing unit.

(2) The lien created under this subsection may be a subordinate lien.

(3) The Department may charge a fee for servicing a lien created under this subsection.