The department, the board of supervisors of each county, local health officers, or inspectors appointed by any of them, as provided in this article and Chapter 3 (commencing with Section 116250), may inspect a place for the purpose of ascertaining whether it is infested with rodents and whether the requirements of this article and Chapter 3 (commencing with Section 116250) as to their extermination and destruction, and the abatement of the conditions listed in Section 17920.3 that are causing the infestation are being complied with. However, no building occupied as a dwelling, hotel, or rooming house, shall be entered for inspection purposes except between the hours of 9 a.m., and 5 p.m.