All dwellings and principal nonresidential buildings
shall have an address number which shall be placed on the house or
building in numbers not less than three inches in height, including
background, and shall be distinctly legible and conspicuously placed
so as to be easily seen and read from the public ways:
No occupancy permit pursuant to § 225-7B of this Code nor code compliance permit on change of ownership pursuant to § 225-7C shall be issued until numbering consistent with this section shall be posted.