Missouri codified its castle doctrine and Stand Your Ground in Mo. Rev. Stat. Section 563.031, as substantially rewritten by SB 656 (2016). The current...
Reviewed by Will Luker, Founder of CCW Hub. USCCA Training Counselor, USCCA Certified Instructor, NRA Certified Instructor, Law Enforcement.
Missouri codified its castle doctrine and Stand Your Ground in Mo. Rev. Stat. Section 563.031, as substantially rewritten by SB 656 (2016). The current statute reflects the broadest castle-doctrine formulation in Missouri history, extending the presumption of reasonable fear from the dwelling alone to any residence or vehicle lawfully occupied by the actor, and to private property owned or leased by the actor.
Mo. Rev. Stat. Section 563.031.2(1) creates a rebuttable presumption that the actor's use of deadly force was reasonable when used against a person who:
The presumption operates at trial. Once the defendant raises the defense, the prosecution bears the burden of rebutting the presumption beyond a reasonable doubt. Mo. Rev. Stat. Section 563.011 articulates the general burden allocation: the defendant must inject the issue, and the state must then disprove it beyond a reasonable doubt.
Section 563.031.2(2), added by SB 656 (2016), extends the same presumption to use of deadly force against a person who unlawfully enters, attempts to enter, or unlawfully remains on private property owned or leased by the defender. This goes beyond traditional castle-doctrine doctrine, which historically attached only to the dwelling.
The extension is significant because it covers:
The extension does not extend to public property, even property frequently used by the defender, or to property where the defender is a guest.
Mo. Rev. Stat. Section 563.031.2(3) lists the exceptions:
The person against whom force was used had a right to be in the dwelling, residence, vehicle, or on the property. A co-occupant, a child of the actor, a lawful guest, a person with a valid lease or rental agreement, or a person with permission to be present is not an "unlawful intruder" within the meaning of the presumption.
The actor was engaged in unlawful activity at the time. The presumption does not protect a defender who was committing a crime when the alleged intrusion occurred. This typically arises in cases involving drug houses, illegal businesses, or other ongoing criminal activity.
The person against whom force was used was a peace officer in the performance of official duties. A peace officer entering with a warrant, with consent, or under exigent circumstances is acting lawfully, and the presumption does not arise against such an officer. The officer's status must be reasonably apparent or the officer must have identified himself or herself.
A fourth practical limitation: the person whose force is presumed reasonable must actually have used deadly force in response to the intrusion. Mere display, threat, or non-deadly force is subject to the general justification standards under Section 563.031.1, not the castle-doctrine presumption.
Missouri statutory and case law have addressed the scope of each term:
Dwelling. A building or part of a building used as a place of abode. Includes single-family homes, apartments, mobile homes, and trailers used as residences.
Residence. Broader than dwelling. The Missouri appellate courts have read "residence" to include any place where the actor temporarily resides, including a hotel room, a friend's home where the actor is staying, or a vacation cabin in actual use.
Vehicle. Any motor vehicle the actor is lawfully occupying. The castle-doctrine presumption inside a vehicle is one of the most significant practical features of Missouri law. A driver or passenger who is the target of an attempted carjacking, robbery, or violent intrusion into the vehicle benefits from the presumption of reasonable fear.
A defender who uses deadly force inside the home against a forcible intruder is supported by the strongest application of the presumption. Missouri prosecutors rarely file charges in such cases unless additional facts suggest the intruder was lawfully present or the use of force was excessive.
A defender who uses deadly force outside the home but on owned or leased property (e.g., shooting a burglar who is fleeing across the yard) is supported by Section 563.031.2(2). The fact pattern is more complex; the prosecution may attempt to rebut the presumption by showing the intruder had withdrawn or was no longer a threat.
A defender who uses deadly force on public property, on someone else's property, or against a person who is lawfully on the defender's property cannot rely on the castle-doctrine presumption. The defender may still raise general self-defense under Section 563.031.1, with no presumption.
Stand Your Ground at Section 563.031.3 eliminates the duty to retreat anywhere the defender is lawfully present, including the dwelling, residence, vehicle, or owned/leased property. The castle-doctrine presumption at Section 563.031.2(1) and (2) goes further: it also presumes the use of deadly force was reasonable, shifting the burden to the prosecution to disprove that presumption.
The two doctrines operate together. A defender in the home need not retreat (Stand Your Ground) AND benefits from a presumption that deadly force was reasonable (castle doctrine).
A defender whose use of force is found to be justified under Section 563.031 (including under the castle-doctrine presumption) is immune from criminal prosecution and civil liability under Mo. Rev. Stat. Section 563.074. If sued civilly and successful in establishing immunity, the defender is entitled to mandatory attorney fees, court costs, lost income, and reasonable expenses incurred in defending the suit.
This immunity package is among the strongest in the country. It is functionally similar to the Texas and Florida castle/SYG/immunity frameworks.
Missouri's castle doctrine has evolved through three principal stages:
Pre-2007. Common-law castle doctrine. The dwelling was a special place where no duty to retreat applied; case law was inconsistent on the contours.
2007. Section 563.031 codified the castle doctrine for the dwelling, with a presumption of reasonable fear against unlawful intruders.
2017 (SB 656, effective January 1, 2017). Castle doctrine extended to residence and vehicle. Stand Your Ground codified for any place lawfully present. Castle presumption extended to owned/leased private property.
The 2017 expansion was the most significant change. It aligned Missouri with the broadest castle-doctrine states (Florida, Texas, Indiana) and resolved a long-standing inconsistency between rural and urban defensive-force law in Missouri.
"Castle doctrine means I can shoot anyone in my house." False. The intruder must be unlawfully entering, attempting to enter, or unlawfully remaining. A lawful guest, even an unwelcome one, is not an unlawful intruder. Disputes between roommates, family members, or invited guests typically fall outside the presumption.
"I can shoot to defend my property." False. Section 563.041.2 authorizes deadly force only to prevent the commission of arson, burglary, robbery, or other forcible felonies involving physical force against a person. Deadly force is not justified to prevent simple theft, trespass, or property damage where no person is threatened.
"The castle-doctrine presumption is absolute." False. It is rebuttable. The prosecution may rebut by showing the intruder had a right to be present, that the defender was engaged in unlawful activity, or that the person was a peace officer in the performance of duties.
"I don't have to worry about civil suits." False. The civil immunity applies only if the use of force is determined to be justified. A civil plaintiff may still file suit and force the defender to litigate the immunity question. The mandatory attorney fees provision is a deterrent, but it operates after the fact.
| Statute | Subject |
|---|---|
| Mo. Rev. Stat. Section 563.011 | General burden allocation for justification defenses |
| Mo. Rev. Stat. Section 563.031.1 | Use of physical force in defense of persons |
| Mo. Rev. Stat. Section 563.031.2(1) | Castle-doctrine presumption (dwelling, residence, vehicle) |
| Mo. Rev. Stat. Section 563.031.2(2) | Extension to owned or leased property |
| Mo. Rev. Stat. Section 563.031.2(3) | Exceptions to the presumption |
| Mo. Rev. Stat. Section 563.031.3 | Stand Your Ground (no duty to retreat) |
| Mo. Rev. Stat. Section 563.041 | Defense of premises and property |
| Mo. Rev. Stat. Section 563.074 | Civil and criminal immunity; mandatory attorney fees |
| Mo. Rev. Stat. Section 556.061 | Definition of "forcible felony" |
This section reflects Missouri law as of May 2026. The castle-doctrine framework is stable; appellate refinements continue.
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