Buffalo, N.Y., Code of Ordinances ch. 242 § 242-3

A. The Erie County Commissioner of Health or his authorized representative and/or the Commissioner of Permit and Inspection Services or his authorized representative is hereby empowered and directed to make inspections to determine the condition of dwellings and premises located within the City in order that he may perform his statutory duty of safeguarding the health and safety of the occupants of dwellings and of the general public. For the purpose of making such inspections, the Commissioner or his representative is hereby authorized to enter, examine and survey, at all reasonable times, all dwellings and premises within the City. B. It shall be the duty of the owner or occupant of a dwelling or the person in charge thereof to give an authorized representative of the Erie County Department of Health and/or the Commissioner of Permit and Inspection Services free access to such dwelling and its premises at all reasonable times for the purpose of such inspection, examination and survey. C. It shall be the duty of every occupant of a dwelling to give the owner thereof or his agent or employee access to any part of such dwelling or its premises at all reasonable times for the purpose of making such repairs or alterations as are necessary to effect compliance with the provisions of this chapter or with any lawful rule, regulation or order adopted or issued pursuant to the provisions of this chapter.