A. Accessory structures shall not obstruct light and air of doors and windows of any dwelling unit, or obstruct a safe means of access to any dwelling unit or create fire and safety hazards or provide rat or vermin harborage. Accessory structures shall be functional and shall be maintained in a state of good repair and alignment.
B. All exterior appurtenances or accessory structures which serve no useful purpose and which are in a deteriorated condition which is not economically repairable, shall be removed. Such structures include porches, terraces, entrance platforms, garages, driveways, carports, walls, fences and miscellaneous sheds. (1997 Code)