MO Rev Stat § 64.690 (2021)
2021 Missouri Revised Statutes|Title VI - County, Township and Political Subdivision Government|Chapter 64 - County Planning — Zoning — Recreation — Natural Streams and Waterways|Section 64.690 - Violations constitute misdemeanors — enforcement of zoning regulations (second and third class counties).

Effective - 28 Aug 1951   64.690. Violations constitute misdemeanors — enforcement of zoning regulations (second and third class counties). — 1. Any owner, lessee or tenant of land located within any unincorporated area covered or affected by any official master plan or part thereof, or by any regulations or orders relating to subdivisions of land, or by any zoning plan, or by any regulations relating to building or setback lines on major highways, or by any regulations and restrictions of buildings, structures, lots and lands, or other planning or zoning regulations and restrictions or other regulations and restrictions made and adopted under the provisions of sections 64.510 to 64.690, who shall lay out and improve any such subdivision of land, or who shall construct, reconstruct, alter, relocate or maintain any building or other structure, or use such land in violation of the provisions of sections 64.510 to 64.690 or of order, regulation or restriction made and adopted under the provisions of sections 64.510 to 64.690, shall be guilty of a misdemeanor.  2. In the event any subdivision of land is begun or made in violation of sections 64.510 to 64.690, or of any official master plan or part thereof, or of any planning or zoning order, regulation or restriction made and adopted under the provisions of sections 64.510 to 64.690, or in the event any building or structure is constructed, reconstructed, relocated or maintained, or any building, structure, lot or land is used in violation of sections 64.510 to 64.690 or of any planning or zoning plan, regulation, restriction or order made and adopted by authority conferred under the provisions of sections 64.510 to 64.690, the county commission, the county planning commission, the county zoning commission, the prosecuting attorney, or any officer or official appointed or designated under the provisions of section 64.650, or the owner of any private property or any public body the property of whom or which is or may be affected by any such violation, may institute in the circuit court of the county, any appropriate action or proceedings to prevent such unlawful subdivision development or erection, construction, reconstruction, alteration, relocation or maintenance or use, or to restrain, abate or correct such violation, or to prevent the occupancy of such building or structure or unlawful use of such land, and to prevent any illegal act, conduct, business or use in or about the premises.  3. The officer or official appointed or designated under the provisions of section 64.650 shall have power to cause any land, building, structure, place or premises to be inspected and examined and to order in writing the remedying of any condition found to exist therein or thereat in violation of any of the regulations or orders adopted or made under the provisions of sections 64.510 to 64.690.  4. Any owner, lessee or tenant who, having been served with an order in writing signed by such officer or official to correct or remove any such violations, shall fail to comply with such order within ten days after such service, or who shall continue to violate any of the regulations or orders made under the authority of sections 64.510 to 64.690 in the respect named in such order, shall be guilty of a misdemeanor.  5. The owner or general agent of any such land, building, structure or premises where a violation of any such orders, regulations or restrictions has been committed or shall exist, or the lessee or tenant of any entire building or entire premises where such violation has been committed or shall exist, or the owner, general agent, lessee or tenant of any part of the building or premises in which such violation has been committed or shall exist, or the owner, general agent, architect, builder or contractor or any other person who knowingly commits, takes part or assists in such violation, or who maintains any building or premises in which any such violation shall exist, shall be guilty of a misdemeanor. ­­-------- (L. 1951 p. 406 § 16)