Where it is necessary to make an inspection to enforce the provisions of adopted codes, or where the Building Official has reasonable cause to believe that there exists in a structure or upon a premises a condition that is contrary to or in violation of this code that makes the structure or premises unsafe, dangerous or hazardous, the Building Official or his/her authorized representative is authorized to enter the structure or premises at reasonable times to inspect or to perform the duties imposed by adopted codes, provided that if such structure or premises be occupied that credentials be presented to the occupant and entry requested. If such structure or premises is unoccupied, the Building Official shall first make a reasonable effort to locate the owner or other person having charge or control of the structure or premises and request entry. If entry is refused, the Building Official shall have recourse to the remedies provided by law to secure entry.