(a) The sign surface area on any sign located on a wall of a structure
may not exceed thirty (30) percent of the total surface area of the
wall on which the sign is located.
(b) The sign surface area of any sign located on a wall of a structure
on any lot within the B1H zoning district
may not exceed five (5) percent of the total surface area of the wall
on which the sign is located. The sign surface of any wall sign mounted
on a residential building, including those put to commercial use, shall
be small, less than one (1) square foot, identification panels at the
primary entrance.
(c) Wall surface area is calculated by multiplying the vertical distance
of the building wall (measured at the average finished grade) times
the horizontal distance of the building wall.