Every state or political subdivision owning any building shall, within thirty (30) days after the effective date hereof, and within thirty (30) days after the completion of any new building, place the number of its street address on the front of the building in such a manner that the police, fire department and other persons responding to an emergency can readily locate the building. The number shall be three inches (3") high, or higher. (Ord. 420, 2-11-1992; amd. Ord. 721, 2-8-2011)