Idaho Code § 40-806: General laws applicable.

All ad valorem highway taxes levied and assessed under the provisions of this title shall become due and delinquent and shall attach to and become a lien on the real property assessed at the same time as other county taxes. All the provisions of the Idaho Code, governing the assessing and collecting of county taxes, are applicable to the assessment and collection of highway district taxes, wherever the same are consistent with the provisions of this title.