(a) Wall signs shall not be permitted in One or Two Family Residence Districts, Multiple Residence Districts, or Senior Residence Districts, except that as accessory to a conditional or overlay use. One wall sign shall be permitted per lot. In all other Districts, one wall sign shall be permitted per building, plus, if the building is subdivided, one wall sign shall be permitted per building unit, and for buildings having frontage on two or more streets, one additional wall sign shall be permitted on any secondary frontage street.
(b) No wall sign shall project more than fourteen (14) inches from the surface or wall to which it is attached. No wall sign shall extend any closer than twelve (12) inches to either the top or side edges of the surface or wall to which it is attached. No wall sign shall cover or obscure any wall opening.
(c) The total area of all signs on a building, including wall signs, shall be limited to the Maximum Sign Face Area per Building as defined in Section 1140.27, and no single wall sign shall exceed one hundred (100) square feet in sign face area, nor four (4) feet in height.
(d) No wall sign shall be nearer than two (2) feet to any other sign, nor nearer than five (5) feet to any other building or structure.
(e) All wall signs shall be safely and securely attached to the building wall.