The notices provided for in this subtitle: shall be left with the owner or occupier, or agent of the owner of the property mentioned in said notice; and if there be no owner or occupier, or agent of the owner of said property, upon which said notice can be served, notice shall be deemed in all respects sufficient if exposed, in some open way, upon the property to which it refers. City Code, 1927, art. 42, §42 1950, art. 33, §18 1966, art. 25, §18 1976/83, art. 25, §§17, 21(ref) Ord. 11-058 Ord. 59-164 Ord. 84-129 Ord. 91-775