Wyoming Statutes

Wyo. Stat. § 6-3-303 (2026)

Criminal trespass; penalties.

✓ current as of May 2026

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(a) A person is guilty of criminal trespass if he enters
or remains on or in the land or premises of another person,
knowing he is not authorized to do so, or after being notified
to depart or to not trespass. For purposes of this section,
notice is given by:

          (i) Personal communication to the person by the owner
or occupant, or his agent, or by a peace officer; or

          (ii) Posting of signs reasonably likely to come to
the attention of intruders.
     (b) Criminal trespass is a misdemeanor punishable by
imprisonment for not more than six (6) months, a fine of not
more than seven hundred fifty dollars ($750.00), or both.

     (c)   This section does not supersede W.S. 1-21-1003.

Notes of Decisions

Cited in 8 cases, 1990–2020 · leading case: State of Wyoming v. Livingston, 443 F.3d 1211 (10th Cir. 2006).

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State of Wyoming v. Livingston, 443 F.3d 1211 (10th Cir. 2006). · cites it 3× “” Wyo. Stat. § 6-3-303(a). Notice may be provided in two ways: “(i) Personal communication to the person by the owner or occupant, or his agent, or by a peace officer; or (ii) Posting of signs reasonably likely to come to the attention of intruders.”

Lyle L. Williams v. State of Wyoming ex rel., Univ. of Wyoming Bd. of Trs., 2019 WY 90 (Wyo. 2019). · cites it 6× “Williams’ criminal prosecution under Wyo. Stat. Ann. § 6-3-303 and the UW regulation.”

W. Watersheds Proj. v. Michael, 869 F.3d 1189 (10th Cir. 2017). “See Wyo. Stat. § 6-3-303 (criminal trespass); Edgcomb v.”

Hoblyn v. Johnson, 2002 WY 152 (Wyo. 2002). · cites it 2× “Wyo. Stat. Ann. § 6-3-303 (a) (LexisNexis 2001).”

Salisbury Livestock Co. v. Colorado Cent. Credit Union, 793 P.2d 470 (Wyo. 1990). · cites it 2× “, W.S. 6-3-303(a) (June 1988 Repl.): (a) A person is guilty of criminal trespass if he enters or remains on or in the land or premises of another person, knowing he is not authorized to do so, or after being notified to depart or to not trespass.”

Asprey v. N. Wyoming Cmty. (10th Cir. 2020). · cites it 2× “Trebby then arrested Plaintiffs and cited them for trespassing in violation of Wyo. Stat. Ann. § 6-3-303 . A Wyoming judge dismissed the charges, finding that Trebby lacked probable cause to arrest Plaintiffs for trespass.”

W. Watersheds Proj. v. Michael, 353 F. Supp. 3d 1176 (D. Wyo. 2018). · cites it 2× “at 47); see also Wyo. Stat. Ann. § 6-3-303 (a) ("A person is guilty of criminal trespass if he enters or remains on or in the land or premises of another person, knowing he is not authorized to do so, or after being notified to depart or to not trespass") (emphasis added).”

W. Watersheds Proj. v. Michael, 196 F. Supp. 3d 1231 (D. Wyo. 2016). “§ 6-3-303, an entrant must enter or remain on the land of another, with knowledge that he has no right to do so, or after being notified to leave or not trespass.”

— Wyo. Stat. § 6-3-303(a) — 2 cases

State of Wyoming v. Livingston, 443 F.3d 1211 (10th Cir. 2006). “” Wyo. Stat. § 6-3-303(a). Notice may be provided in two ways: “(i) Personal communication to the person by the owner or occupant, or his agent, or by a peace officer; or (ii) Posting of signs reasonably likely to come to the attention of intruders.”

Salisbury Livestock Co. v. Colorado Cent. Credit Union, 793 P.2d 470 (Wyo. 1990). “, W.S. 6-3-303(a) (June 1988 Repl.): (a) A person is guilty of criminal trespass if he enters or remains on or in the land or premises of another person, knowing he is not authorized to do so, or after being notified to depart or to not trespass.”

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