The number so assigned to each building shall be displayed
by the owner or occupant so that it may easily be read by a person seated
in a vehicle on the adjoining street. The building number shall be in Arabic
numerals, shall be at no more than five feet above grade and shall be located
on the mailbox, post or other suitable holder located no more
than 10 feet from the edge of the pavement of the roadway on which the property
is situated. The designated number shall not be obstructed by shrubs or other
materials and shall be in contrasting color to its background.