Iowa Code § 100.51: Application for warrant.

If consent to inspect property damaged or destroyed by fire to determine the cause, origin and circumstances of the fire or to inspect property subject to rules adopted under section 10A.523 has been refused to the official authorized to make the inspection, the state fire marshal, a state arson investigator or official authorized to make such an inspection may apply to the district court for a special inspection warrant for authority to conduct the inspection.