It is unlawful for any person, firm or corporation to erect any billboard or other board described in BMC 20.20.020, except real estate signs having an area of six square feet or less without making application therefor and obtaining a permit from the city clerk. Said application shall contain the name of the applicant, the proposed location of the billboard, the number of surface square feet of the same, and shall be accompanied by specifications showing compliance with the provisions of this chapter for such billboard or other board, and a fee of $1.00. (Ord. 1635 § 1, 1996; Ord. 91 § 9, 1929).