Missouri Ordinances (2026)

Missouri requires factory-built manufactured tiny homes to meet federal HUD standards under state law, with installation rules applied uniformly statewide.

Missouri RSMo 578.009 and 578.012 universally criminalize animal neglect, abandonment, and abuse, applying to hoarding situations regardless of municipal limits and authorizing courts to order cost recovery, animal forfeiture, and ownership bans.

Missouri RSMo 442.404 prohibits homeowners associations and deed covenants from banning ownership or pasturing of up to six chickens on lots two-tenths of an acre or larger, including a single coop sized to accommodate them.

Missouri RSMo 578.023 universally requires registration of dangerous wild animals such as lions, tigers, bears, wolves, and primates with local law enforcement, and the Large Carnivore Act adds permit and caging mandates statewide.

Missouri Wildlife Code 3 CSR 10-4.200 prohibits year-round placement of grain, salt, minerals, and other consumable attractants for deer in the Department of Conservation's CWD Management Zone, applying uniformly across counties.

Missouri Article XIV authorizes state-licensed marijuana dispensaries and limits local control to non-prohibitive zoning. Localities may not ban facilities outright unless voters approve, and statutory buffer rules govern proximity to schools and churches.

Missouri Constitution Article XIV grants registered adults age 21 and over the right to cultivate up to six flowering plants at home with a $100 state registration. Localities cannot prohibit cultivation but may impose limited restrictions.

Commercial drone flight in Missouri is governed primarily by FAA Part 107, which preempts local airspace rules. Missouri adds surveillance and weaponization restrictions, while cities may only regulate ground-level operations on public property.

Missouri RSMo 305.637 prohibits using drones for warrantless surveillance, and RSMo 565.253 criminalizes voyeurism by drone. Federal FAA rules govern airspace and registration, leaving cities limited authority over operations.

Missouri RSMo 71.010 preempts local minimum wage ordinances, requiring cities and counties to follow only the state minimum wage and barring higher local wage floors approved by municipalities.

Missouri RSMo 71.010 also limits cities and counties from mandating paid leave or other employment benefits beyond state law, keeping benefit standards uniform across Missouri employers.

Missouri RSMo 71.010 preempts local predictive scheduling ordinances, preventing cities and counties from imposing fair workweek or advance-notice rules on private employers.

Missouri Chapter 272 governs partition fences between adjoining landowners statewide. It defines lawful fences, allocates each owner's portion of the division fence, and provides court remedies when neighbors cannot agree on construction or repair responsibilities.

Missouri regulates the manufacture, distribution, and retail sale of consumer fireworks statewide through licensing administered by the State Fire Marshal. Local jurisdictions may further restrict use, but licensing of sellers and approved fireworks types are governed at the state level under Chapter 320 RSMo.

Missouri prohibits open burning of trade waste, tires, and certain materials statewide under air pollution control regulations enforced by the Department of Natural Resources. The rule applies uniformly across all counties, though local fire bans may impose additional restrictions during dry conditions.

Missouri's Propane Safety Commission adopts uniform statewide standards for liquefied petroleum gas storage, handling, and transportation. The rules incorporate NFPA 58 by reference and preempt conflicting local requirements for licensed propane operations under Chapter 323 RSMo.

Missouri is a permitless concealed carry state and bars localities from imposing additional rules on concealed firearms beyond what RSMo 21.750 and Chapter 571 permit, ensuring uniform statewide carry standards.

Missouri broadly preempts local firearm regulation under RSMo 21.750, reserving most gun-related legislation to the state legislature and barring city or county ordinances on possession, transport, or registration.

Missouri permits open carry statewide, but RSMo 21.750 lets cities restrict open carry within their limits while exempting valid concealed carry permit holders from those local restrictions.

Missouri RSMo 571.030 allows adults 19 and older to carry concealed firearms in vehicles without a permit, and state preemption blocks cities from adding stricter local vehicle-carry rules.

Missouri RSMo 196.298 expressly preempts local health departments from regulating cottage food production. Home producers may sell baked goods, jams, jellies, and dried herbs directly to consumers without state inspection or permits.

Missouri RSMo 210.211 universally requires a state license to operate a child care facility, with a statutory exemption for caring for six or fewer unrelated children, including no more than three under age two, in a family home.

Missouri RSMo 285.530 requires state contractors and public employers to enroll in E-Verify and bars employment of unauthorized aliens, creating a uniform statewide standard for verifying work authorization.

Missouri RSMo 67.307 forbids any municipality from adopting sanctuary policies, requiring local officials to cooperate with federal immigration authorities and barring restrictions on information-sharing about immigration status.

Missouri statute guarantees every landowner the right to collect, use, and own rainwater systems anywhere on their property, including inside city limits.

Missouri imposes a statewide duty on every landowner to control designated noxious weeds, with civil penalties recoverable by the county prosecutor.

Aircraft noise regulation in Missouri is preempted by federal law under the Federal Aviation Act and related FAA regulations. Neither Missouri state law nor local municipalities may impose curfews, altitude restrictions, or noise standards on aircraft operations.

Missouri RSMo 304.155 to 304.158 establishes statewide procedures for towing, storing, and disposing of abandoned vehicles. Law enforcement may authorize removal after specific time thresholds, and owners are responsible for towing and storage charges.

Missouri statute governs lease termination notice statewide and does not require landlords to demonstrate just cause to end month-to-month or expired-term tenancies.

Missouri statute prohibits any county or city from enacting or enforcing ordinances that regulate the amount of rent charged for privately owned residential or commercial rental property.

Missouri preempts local ordinances that limit landlord tenant screening, source-of-income decisions, security deposit amounts, or right-of-first-refusal rules.

Missouri RSMo 537.295 and constitutional protections constrain how counties and cities may zone agriculture, limiting local authority to restrict expansions or modernization of established farms.

Missouri RSMo 537.295 shields established agricultural operations from most nuisance lawsuits, codifying a constitutional right to farm and limiting damages available against compliant farms and ranches.

Missouri RSMo 442.404 prohibits homeowners' associations and deed restrictions from banning the display of political signs on residential property. HOAs may adopt only reasonable rules on time, size, place, number, and manner of display, but cannot prohibit signs outright.

Missouri RSMo 260.283, enacted in 2015, prohibits cities and counties from imposing bans, fees, or taxes on plastic bags and other auxiliary containers used by retailers and customers.

Missouri RSMo 260.283 also bars cities and counties from prohibiting or restricting polystyrene foam cups, plates, and food containers, treating them as protected auxiliary containers under state law.

Missouri RSMo 260.283 prevents cities and counties from banning plastic straws, utensils, and other single-use items, classifying them as protected auxiliary containers under state law.

Missouri RSMo 442.404 voids deed restrictions and HOA covenants that prohibit or effectively prohibit rooftop solar panel installation, and the Missouri Supreme Court confirmed retroactive application to pre-existing covenants in 2026.

Missouri's Telemarketing No-Call Law preempts certain solicitation practices statewide, and the Merchandising Practices Act gives consumers a three-day right to cancel home solicitation sales. These statutory rights apply universally regardless of local solicitor permits.

Missouri's adopted residential code (IRC Appendix Chapter 42 / Section AG105) sets minimum pool barrier standards including 48-inch fences, self-closing self-latching gates, and limited openings, providing a baseline that local jurisdictions enforce.

Missouri raised its tobacco minimum sales age to 21 through RSMo 407.927, aligning state law with federal Tobacco 21 standards covering cigarettes, cigars, smokeless tobacco, and vapor products.

Missouri has no statewide ban on flavored tobacco or vapor products, and RSMo 407.927 governs sales standards while leaving questions about local flavor bans unresolved at the state level.

Missouri RSMo 407.927 governs the sale of tobacco, alternative nicotine, and vapor products, requiring age verification and aligning state retail standards with federal Tobacco 21 limits.

Missouri bans certain bulk items from sanitary landfills statewide, including major appliances, whole waste tires, lead-acid batteries, and yard waste. These items must be processed, recycled, or composted regardless of city pickup programs, under RSMo 260.250.

Missouri's Solid Waste Management Law requires every city and county to ensure regular collection and disposal of solid waste and to use only permitted disposal facilities. Cities and counties must adopt plans, but baseline collection and disposal duties are mandated statewide under Chapter 260.