161.225 Use of physical force in defense of premises. (1) A person in lawful possession or control of premises is justified in using physical force upon another person when and to the extent that the person reasonably believes it necessary to prevent or terminate what the person reasonably believes to be the commission or attempted commission of a criminal trespass by the other person in or upon the premises.
(2) A person may use deadly physical force under the circumstances set forth in subsection (1) of this section only:
(a) In defense of a person as provided in ORS 161.219; or
(b) When the person reasonably believes it necessary to prevent the commission of arson or a felony by force and violence by the trespasser.
(3) As used in subsection (1) and subsection (2)(a) of this section, “premises” includes any building as defined in ORS 164.205 and any real property. As used in subsection (2)(b) of this section, “premises” includes any building. [1971 c.743 §25]
Stored review status: 2025_edition_later_amendments_unresolved. A text match is a research starting point; applicability is not established.
Official chapter context and edition notices
TITLE 16
CRIMES AND PUNISHMENTS
Chapter 161. General Provisions
162. Offenses Against the State and Public Justice
163. Offenses Against Persons
163A. Sex Offender Reporting and Classification
164. Offenses Against Property
165. Offenses Involving Fraud or Deception
166. Offenses Against Public Order; Firearms and Other Weapons; Racketeering
167. Offenses Against General Welfare and Animals
169. Local and Regional Correctional Facilities; Prisoners; Juvenile Facilities
_______________
Chapter 161 — General Provisions
Uncodified sections printed in this chapter were amended or repealed by the Legislative Assembly during its 2026 regular session. See the table of uncodified sections amended or repealed during the 2026 regular session: 2026 A&R Tables
2025 EDITION
GENERAL PROVISIONS
CRIMES AND PUNISHMENTS
PRINCIPLES
CRIMINAL LIABILITY
PARTIES TO CRIME
JUSTIFICATION
RESPONSIBILITY
(Temporary provisions relating to maximum periods of commitment and community restoration are compiled as notes following ORS 161.371)
INCHOATE CRIMES
CLASSES OF OFFENSES
DISPOSITION OF OFFENDERS
AUTHORITY OF SENTENCING COURT
PRINCIPLES
File SHA-256: 8773685681f1bf26a63d62a05c338a6e76c17f6dd1b69da0a77625951fdf2fe5. The original may include catalog metadata, neighboring provisions, or embedded records outside this collection's scope. This page displays the selected Oregon section record with its printed versions and adjoining notes. Historical editions and unverified snapshots are not a statement of current law.
Authority boundary: official snapshot extraction not current law verified.
Stable record: oregon_criminal_law:legal_authorities:161.225 Source file: ors161.html Pages: Not recorded – Not recorded Passage SHA-256: 62c27494558ef15826db6e5af29baf2a534511e60966738e599b2efe98c7e7ef Retained source evidence SHA-256: 8773685681f1bf26a63d62a05c338a6e76c17f6dd1b69da0a77625951fdf2fe5
Source location: ORS 161.225 (all printed versions and notes)
Stored source content
161.225 Use of physical force in defense of premises. (1) A person in lawful possession or control of premises is justified in using physical force upon another person when and to the extent that the person reasonably believes it necessary to prevent or terminate what the person reasonably believes to be the commission or attempted commission of a criminal trespass by the other person in or upon the premises.
(2) A person may use deadly physical force under the circumstances set forth in subsection (1) of this section only:
(a) In defense of a person as provided in ORS 161.219; or
(b) When the person reasonably believes it necessary to prevent the commission of arson or a felony by force and violence by the trespasser.
(3) As used in subsection (1) and subsection (2)(a) of this section, “premises” includes any building as defined in ORS 164.205 and any real property. As used in subsection (2)(b) of this section, “premises” includes any building. [1971 c.743 §25]
Cross-references
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Oregon criminal law — ORS Title 16 (2025 snapshot) · legal_authorities
161.219 Limitations on use of deadly physical force in defense of a person. Notwithstanding the provisions of ORS 161.209, a person is not justified in using deadly physical force upon another person unless the person reasonably believes that the other person is:
(1) Committing or attempting to commit a felony involving the use or threatened imminent use of physical force against a person; or
(2) Committing or attempting to commit a burglary in a dwelling; or
(3) Using or about to use unlawful deadly physical force against a person. [1971 c.743 §23]
164.205 Definitions for ORS 164.205 to 164.270. As used in ORS 164.205 to 164.270, except as the context requires otherwise:
(1) “Building,” in addition to its ordinary meaning, includes any booth, vehicle, boat, aircraft or other structure adapted for overnight accommodation of persons or for carrying on business therein. Where a building consists of separate units, including, but not limited to, separate apartments, offices or rented rooms, each unit is, in addition to being a part of such building, a separate building.
(2) “Dwelling” means a building which regularly or intermittently is occupied by a person lodging therein at night, whether or not a person is actually present.
(3) “Enter or remain unlawfully” means:
(a) To enter or remain in or upon premises when the premises, at the time of such entry or remaining, are not open to the public and when the entrant is not otherwise licensed or privileged to do so;
(b) To fail to leave premises that are open to the public after being lawfully directed to do so by the person in charge;
(c) To enter premises that are open to the public after being lawfully directed not to enter the premises; or
(d) To enter or remain in a motor vehicle when the entrant is not authorized to do so.
(4) “Open to the public” means premises which by their physical nature, function, custom, usage, notice or lack thereof or other circumstances at the time would cause a reasonable person to believe that no permission to enter or remain is required.
(5) “Person in charge” means a person, a representative or employee of the person who has lawful control of premises by ownership, tenancy, official position or other legal relationship. “Person in charge” includes, but is not limited to the person, or holder of a position, designated as the p