Numbers shall not be less than four inches high for residential buildings and not
less than ten inches high for all other buildings. Numbers shall be made of a durable
and clearly visible material. The numbers shall be conspicuously placed on, above
or at the side of the main entrance door so that the number is plainly visible from
the street. Whenever a building is more than 50 feet from the street, or when the
entrance is not visible from the street, the number shall be placed in a manner clearly
visible from both directions of street approach at the walk, driveway or other suitable
location that is easily discernible from the street.
(Code 1978, § 17-25)