Md. Code, Land Use § 11–202

(a) A legislative body of a county may provide a civil penalty for a zoning violation, which shall be enforced as provided in this subtitle.

(b) The legislative body may:

(1) impose a fine not exceeding $500 for each violation;

(2) establish a schedule of additional fines for each violation; and

(3) adopt procedures for the collection of the fines.