Real estate signs may be erected only in accordance with the requirements of this section as follows:
(a) Residential, Office-Residential and Multiple-Family Developments. Signs offering real estate for sale or for rent or indicating that the same has been sold may be erected and displayed upon the lot or parcel offered for sale or for rent in residential, office-residential and multiple-family developments as follows:
(1) Such signs, which may be lettered on both sides, shall not exceed in the aggregate twenty-four square feet in area or display surface, counting both sides, and shall not exceed six feet in height above the ground level.
(2) Such signs shall be set back at least twelve feet from all property lines when possible or half the distance between the sidewalk and the building when the property is closer than twenty feet from the sidewalk. No sign shall be placed on the boulevard or sidewalk.
(3) Such signs shall not be illuminated.
(4) For sale or for rent signs shall be removed not later than fifteen days after the contract for sale or for rent of the property indicated by the sign has been closed. Signs indicating that the property has been sold shall not be displayed for more than fifteen days from the date of closing. A sign not removed after the fifteen-day period shall be removed by the Zoning Inspector and taken to the Police Station where the realtor shall have ten days to claim such sign by paying a five dollar ($5.00) fee. Such feel shall be deposited in the City General Fund.
(5) Real estate signs advertising multiple-family developments containing twenty or more dwelling units may contain up to 100 square feet of display surface, counting both sides, and shall be set back as provided for in subsection (a)(2) hereof.
(b) Commercial Districts and Industrial Districts. Wall signs or free standing signs, which meet all the other requirements of this chapter, offering real estate for sale or for rent, or indicating that the same has been sold, may be erected and displayed upon the lot or parcel offered for sale or for rent in commercial central-business and industrial districts. Such signs shall not be placed on or over the boulevard or on or over a street, highway, alley or sidewalk. such signs may be illuminated. There may not be more than one such sign per frontage, and such signs shall not exceed 200 square feet in total area, counting both sides. No sign shall be erected before written permission is obtained from the Zoning Inspector. All such signs shall be removed within thirty days after the date of closing. Any sign not removed after the thirty- day period shall be removed by the order of the Zoning Inspector at the expense of the owner of the sign.
(c) Subdivision Signs. Signs advertising the sale of lots in an undeveloped subdivision may be erected and displayed in such subdivision as follows:
(l) No such sign shall be located nearer than twenty-five feet to any street right-of-way line.
(2) When located twenty-five feet from the front property line, such sign shall not exceed thirty-two square feet in area or display surface. The maximum sign area may be increased by ten square feet for every additional ten feet of distance from the front property line.
(3) No such sign shall be more than ten feet in height above the established grade of the abutting street.
(4) Not more than one such sign, facing on any street, shall be permitted in a subdivision.
(5) Each sign shall be removed at the expiration of one year after its erection.
(6) No such sign containing twenty or more square feet shall be erected without first obtaining written permission from the Zoning Inspector.
(d) Contractor's Signs. Signs announcing the names of contractors, subcontractors and materialmen participating in the construction of a building shall be permitted during the actual construction period as follows:
(l) Such signs shall be located only on the parcel of land being improved, and not more than one such sign shall be permitted for each building being constructed.
(2) No such sign shall exceed thirty-five square feet in area or display surface on one side.
(3) No such sign shall extend more than eight feet above the grade of the lot on which it is located.
(4) Such signs shall not be located nearer the front property line than twenty feet.
(5) When a construction project is of a nonresidential character, a single sign may be erected exceeding the limitations of subsection (d)(1) to (4) hereof, subject to the written approval of the Zoning Inspector.