Mo. Rev. Stat. § 94.160
94.160 City taxes delinquent, when — lien for taxes.
94.160. City taxes delinquent, when — lien for taxes. — Upon the first day of January of each year all unpaid city taxes shall become delinquent, and the taxes upon real property are hereby made a perpetual lien thereon against all persons in favor of the city.
(RSMo 1939 § 6926) Prior revisions: 1929 § 6780; 1919 § 8267; 1909 § 9204