Upon receipt of a certificate of a number, as provided in the preceding section, from the City Engineer, it shall be the duty of every person owning any building within the City to place or cause to be placed upon the building, the number corresponding with the certificate received from the City Engineer.
No number shall be less than two and one-fourth by five inches and the figures thereon shall be of not less than two inches in height. Each and every number shall be distinct and legible, made of a permanent nature and placed in a conspicuous place on the front of such building and in full view of the street upon which the building abuts.
(1967 Code 1313.03)