Section 8-104 - Regulation of sites and structures(a) The legislative body of each local jurisdiction, by local law, may regulate:(1) the construction, reconstruction, alteration, moving, and demolition of sites or structures of historical, archaeological, or architectural significance;(2) the construction, reconstruction, alteration, moving, and demolition of sites and structures within districts; and(3) the appurtenances and environmental settings of sites and structures within the limits of the local jurisdiction.(b) The purpose of a local law adopted under this section is to:(1) safeguard the heritage of the local jurisdiction by preserving sites, structures, or districts that reflect elements of cultural, social, economic, political, archaeological, or architectural history;(2) stabilize and improve the property values of those sites, structures, or districts;(4) strengthen the local economy; and(5) promote the preservation and appreciation of those sites, structures, and districts for the education and welfare of the residents of each local jurisdiction.