(a) To impose a benefit charge for the construction of a water supply or sewer system, the Commission shall classify each property that abuts on a street, road, lane, alley, right–of–way, or easement in which a water main or sewer line is to be laid as:
(1) agricultural;
(2) industrial or business;
(3) institutional;
(4) multi–unit business;
(5) multi–unit residential;
(6) residential subdivision; or
(7) small acreage.
(b) The classification of a property by the Commission is final, subject only to revision:
(1) at a hearing under § 25–204(a) of this subtitle; or
(2) by the Commission if the use of the property changes.