Neb. Rev. Stat. § 77-1801: Real property taxes; collection by sale; when.

Except for delinquent taxes on mobile homes, cabin trailers, manufactured homes, or similar property assessed and taxed as improvements to leased land, all real estate on which the taxes shall not have been paid in full, as provided by law, on or before the first Monday of March, after they become delinquent, shall be subject to sale on or after such date.