Maryland Real Property Section 14-202

      (a)      A lien on property may be created by a contract and enforced under this subtitle if:

            (1)      The contract expressly provides for the creation of a lien; and

            (2)      The contract expressly describes:

                  (i)      The party entitled to establish and enforce the lien; and

                  (ii)      The property against which the lien may be imposed.

      (b)      A lien may only secure the payment of:

            (1)      Damages;

            (2)      Costs of collection;

            (3)      Late charges permitted by law; and

            (4)      Attorney's fees provided for in a contract or awarded by a court for breach of a contract.