The following terms, whenever used or referred to in this chapter, shall have the following respective meanings for the purposes of this article, unless a different meaning clearly appears from the context:

(1) Building officer shall mean the officer or officers who are authorized by this chapter to exercise the powers prescribed herein.

(2) Dwelling shall mean a building or structure, or part thereof, used and occupied for human habitation or intended to be so used, and includes any outhouses and appurtenances belonging thereto or usually enjoyed therewith.

(3) Dwelling unit shall mean a building or that portion of a building arranged, designated or constructed for the use of one family as a dwelling place.

(4) Owner shall mean the holder of the title in fee simple and every mortgagee of record.

(5) Parties in interest shall mean all individuals, associations, corporations, and others who have an interest of record in a dwelling and any who are in possession thereof.

(6) Public authority shall mean the city, or any of its officers, employees or agents who are in charge of any department or branch of the city government relating to health, fire, police, building regulations or to other activities concerned with dwellings within the city. (Prior code § 5-1-3)