The following signs are permitted in any appropriate district without a permit:
A.
Professional nameplates that shall not exceed two square feet in area on either of two sides.
B.
Signs denoting the name and address of the occupants of the premises, which signs shall not exceed two square feet on either of two sides.
C.
Signs denoting the architect, engineer or contractor placed on the premises where construction, repair or renovation is in progress, which signs shall not exceed 10 square feet in area on either of two sides. The sign must be removed from the premises within seven days after such construction, repair or renovation is completed.
D.
Signs advertising the sale, lease or rental of the premises upon which the sign is located, which sign shall not exceed six square feet in area, provided that such sign is erected or displayed not less than five feet inside the property line. This sign must be removed from the premises within seven days after the property is sold or leased.
E.
Signs or bulletin boards customarily incident to places of worship, libraries, museums, social clubs or societies, which sign or bulletin board shall not exceed 16 square feet in area and shall be located on the premises of such institution, provided that such signs or bulletin boards are erected or displayed not less than five feet from inside the property line.
F.
Any sign advertising a commercial enterprise, including real estate developments, apartments or subdivisions, permitted in a district zoned residential by any zoning regulations shall not exceed 10 square feet in area on either of two sides and shall advertise only the name of the owner, trade name, products sold and/or the business or activity conducted on the premises where such sign is located. No more than two signs shall be allowed for each such business or commercial activity conducted on the premises, which shall in all respects conform to the provisions of this chapter respecting establishments in business districts.