Del. Code tit. 9 § 7202
The Sussex County Council, in order to provide for the health, safety, and welfare of the citizens of Sussex County, may promulgate ordinances, rules, and regulations regulating and governing the condition and maintenance of all property, structures, and buildings to eliminate or prevent unsafe, unhealthy, unsanitary, or substandard conditions. Said ordinances, rules, or regulations may provide standards for: the condition and maintenance of property, structures, and buildings; supplied utilities, facilities, and other physical things and conditions essential to ensure that property, structures, and buildings are safe, sanitary, and fit for occupation and use and do not adversely affect the welfare of the public; condemnation of structures and buildings unfit for human occupancy and use; and the demolition of structures and buildings unfit for human occupancy and use.
9 Del. C. § 7202