Md. Code, Courts and Judicial Proceedings § 11–507

Notwithstanding any other provision of this subtitle, the provisions of this subtitle relative to exemptions do not impair a:

(1) Vendor’s purchase money lien on land;

(2) Mechanics’ lien;

(3) Tax lien;

(4) Mortgage; deed of trust; or other security interest; or

(5) Lien on land affected by a judgment in favor of a local government for real property maintenance violations or nuisance condition violations that is indexed and recorded in accordance with the Maryland Rules.