Haw. Rev. Stat. § 132-5: Right of entry for inspection; unlawful to obstruct.

The county fire chief, the chief's designees, the state fire marshal, or the state fire marshal's designees, at all reasonable hours may enter any buildings, structures, or premises within the fire chief's or state fire marshal's jurisdiction, respectively, except the interior of private dwellings, to make any inspection, investigation, or examination that is authorized to be made under this chapter. The county fire chief, the chief's designees, the state fire marshal, or the state fire marshal's designees may enter any private dwelling whenever the fire chief, the chief's designees, the state fire marshal, or the state fire marshal's designees have reason to believe that dangerous conditions creating a fire hazard exist in the dwelling. The county fire chief, the chief's designees, the state fire marshal, or the state fire marshal's designees may enter any private dwelling when a fire has occurred in the dwelling. It shall be unlawful to obstruct, hinder, or delay any person having the right to make the inspection, investigation, or examination in the performance of duty.

The county fire chief, the chief's designees, the state fire marshal, or the state fire marshal's designees may inspect all buildings and facilities, except state-owned airport facilities, the frequency of which shall be made in accordance with section 132-6, and shall make a report to the authorities responsible for the maintenance of any building or facility when it is found that a building or facility does not meet minimum standards of fire and safety protection.