Trenton — Ch. 8 Art. III Property Maintenance § 8-121

(a) Generally. The exterior of a structure or building shall be maintained structurally sound and sanitary so as not to pose a threat to the health and safety of the occupants or other members of the public and shall be maintained so as to protect the occupants from the elements.
(b) Structural members. All supporting structural members of all structures and buildings shall be kept structurally sound, free of deterioration and maintained so as to be capable of safely bearing the dead and live loads located within such buildings and structures.
(c) Foundations. Every foundation, exterior wall, roof and all other exterior surfaces shall be maintained in a workmanlike state of maintenance and repair. All foundation walls shall be maintained so as to carry the safe design and support the operating dead and live loads of the building or structure. The foundations shall be maintained plumb and free from open cracks and breaks and be kept in a state of repair so as not to be detrimental to individual safety and welfare of citizens.
(d) Exterior walls. All exterior walls shall be free of holes, breaks, cracks, loose or rotting boards or timbers, and shall be free of any other conditions of disrepair which might admit rain, dampness or wind to the interior portions of the walls or to the occupied spaces within a building. All exterior surface materials, including wood, composition or metal siding shall be maintained weatherproof and shall be properly surface coated where necessary in order to prevent deterioration.
(e) Roofs and roof drainage. Roofs of all buildings and other structures shall be structurally sound and shall not have defects which might admit moisture. Roof drainage shall be such so as to prevent rainwater and other types of moisture from causing dampness in the walls or the interior portion of any building or structure.
(f) Cornices. All cornices, entablatures, corbels, terra cotta trim, wall facings and similar decorative features shall be maintained in good repair and shall be properly anchored to a building or structure so as to be in a safe condition.
(g) Overhang extensions. All canopies, marquees, signs, metal awnings, fire escapes, standpipes, gutters and downspouts, exhaust ducts and similar overhang extensions shall be maintained in good repair and be properly anchored so as to be kept in a safe and secure condition. They shall be protected from the elements and against decay and rust by the periodic application of a weather-coating material such as paint or by application of other protective treatment material.
(h) Chimneys and appurtenances. All chimneys, cooling towers, smoke stacks and similar appurtenances shall be maintained structurally safe, sound and in a good state of repair. All exposed surfaces of metal or wood shall be protected from the elements and against decay or rust by periodic application of weather-coating materials such as paint or by treatment of a similar substance.
(i) Stairways, porches and balconies. Every stair, stairway, porch, balcony, and all appurtenances attached thereto, shall be so constructed and maintained so as to be safe to use and capable of supporting the loads to which it is subjected. They shall be kept in a sound condition and in good repair.
(j) Windows and doors. Every window, door and frame shall be constructed and maintained in such relation to the adjacent wall constructions so as to prevent rain and other types of moisture and wind from penetrating the interior of the dwelling or structure. Every window sash shall be treated with approved glazing materials and shall be free of cracks and holes.