Section 4112 - Premises conditions(a) Responsibility of owner. -- The owner of buildings and premises shall maintain such buildings and premises in compliance with these requirements. A person shall not occupy as owner-occupant or let to another for occupancy or use premises which do not comply with the following requirements of this section.(b) Vacant structures and land. -- All vacant structures and premises thereof or vacant land shall be maintained in a clean, safe, secure and sanitary condition as provided herein so as not to cause blight or adversely affect the public health or safety.(c) Sanitation. -- All premises shall be maintained in a clean, safe and sanitary condition free from any accumulation of rubbish or garbage.(d) Containers. -- Garbage, vegetable wastes or other putrescible materials shall be stored in leakproof containers, provided with close-fitting covers, for the storage of such materials until removed from the premises for disposal.(e) Grading and drainage. -- All premises shall be graded and maintained so as to prevent the accumulation of stagnant water thereon, or within any structure located thereon.(f) Insect and rat control. -- All premises shall remain free of insects, rats, vermin or other pests in all exterior areas of the premises. An owner shall be responsible for extermination, except that the occupant shall be responsible for such extermination in the exterior areas of the premises of a single-family dwelling. Extermination in the shared or public parts of the premises of other than a single-family dwelling shall be the responsibility of the owner.(g) Noxious weeds. -- All premises in predominately residential areas shall be kept free from weeds or plant growth which are noxious or detrimental to the public health and welfare and shall be trimmed to a height of not more than 12 inches.(h) Exhaust vents. -- Except as to previously existing and operating exhaust systems, no person shall construct, maintain or operate pipes, ducts, conductors, fans or blowers discharging gases, steam, vapor, hot air, grease, smoke, odors or other gaseous or particulate wastes so as to discharge directly upon abutting or adjacent public or private property or property of another tenant.(i) Accessory structures. -- All accessory structures, including detached garages, fences and walls, shall be maintained structurally sound and in compliance with §§ 4113 and 4114 of this title.(j) Motor vehicles. -- All premises, except as provided in other regulations, shall not contain any unregistered or uninspected or junk vehicle that poses a threat to the health, safety and general welfare of the occupants or other persons. Not more than 2 currently unregistered or uninspected vehicles, owned by the occupants, that do not pose a threat to the occupants or other persons' health and safety shall be parked in a predominantly residential area. Said vehicles shall not be in a state of disassembly or disrepair.65 Del. Laws, c. 153, §1.;