All entrances from the public streets of the city of Palo Alto to buildings fronting thereon shall be numbered as provided in this chapter. The numbers shall be placed upon, or immediately above or to one side of the door or gate or post of such entrance or shall be otherwise conspicuously located near said entrance so that the same shall be in plain view. All numerals in the number shall be at least three inches in height and placed to read from left to right.
(Ord. 2104 (part), 1962: prior code § 34.801)