Maryland Code, Local Government § 21-207

(i) that the plans and specifications for the construction of the project are complete and can be inspected at the office of the governing body of the county;

(ii) of the probable cost of the project; and

(iii) of the date and place of a hearing on the petition.

(i) mailed to the last known address of each property owner in the district; and

(ii) published once each week for 2 successive weeks in a newspaper of general circulation in the county.