The following types of signs shall be exempt from the requirement of this chapter, except any business or person subject to the city's business license ordinance shall obtain or maintain a business license as a condition of erecting or maintaining a sign:
(A) Temporary construction signs that identify the architects, engineers, contractors or other individuals or firms are involved with a construction project. These signs shall not exceed 32 square feet in area and shall be removed when construction is completed;
(B) Real estate signs which identify the sale, lease or rental of property. These signs shall not exceed eight square feet. The sign shall remain only as long as some portion of the property advertised for sale remains unsold, unleased or not rented, or for a period of two years, whichever period is shorter;
(C) Subdivision signs which advertise the sale of lots or residential units. There shall be no more than two signs on the site. These signs shall not exceed 28 square feet and shall not be allowed for more than one year;
(D) Temporary off-site subdivision and real estate signs may be erected that direct prospective purchasers to a subdivision that have lots or homes for sale. These signs shall not be erected for more than four days during any one-month period. The signs shall not exceed eight square feet;
(E) Special event displays which are erected for 30 days or less per year and advertise a grand opening or community affair. Business offering sales shall not be considered a special event;
(F) Political campaign signs which announce a candidate or political issue. These signs shall not exceed 32 square feet. Removal shall take place two weeks after the election;
(G) Show window signs;
(H) Institutional and public signs;
(I) Flags, plaques and banners;
(J) Address signs;
(K) Integral signs which have been built into a building when the sign has been carved into stone or fixed to the building using a metal plaque;
(L) Small signs which do not exceed four square feet and are fixed flat against a building and only announce the name and corporation of the building tenant(s) or the name of the commercial enterprise located within the buildings;
(M) Interior signs; and
(N) Garage sales signs. The signs must be removed three days after the sale is over.
(1994 Code, § 15.24.030)