Md. Code, Environment § 9–666

(a) On the request of property owners whose property is not in any service area but is in an area that is contiguous to a service area, the sanitary commission may extend a project to include the properties that are the subject of the request.

(b) The sanitary commission may require that the property owners agree:

(1) To pay benefit assessments;

(2) To pay connection charges; and

(3) To any other condition that the sanitary commission makes.