(a) In each tax year any municipality may, by vote of its legislative body, provide a grant to residential property owners in special service districts who are not delinquent in payment of taxes due on such property.

(b) As used in this section, “residential property” means a single parcel of property used for residential purposes and includes a single-family residence and a multiple-dwelling structure containing not more than three units, used by occupants as a place of permanent residence where one of the occupants is the owner.