Neb. Rev. Stat. § 77-203: Property taxes; when due; first lien.

All property taxes levied for any county, city, village, or other political subdivision therein shall be due and payable on December 31 next following the date of levy except as provided in section 77-1214. Commencing on that date taxes on real property shall be a first lien on the property taxed until paid or extinguished as provided by law. Taxes on personal property shall be a first lien upon the personal property of the person to whom assessed until paid.