Columbia Trespass in the first degree ordinance (§ 16-156)

(a) A person commits the crime of trespass in the first degree if he knowingly enters unlawfully or knowingly remains unlawfully in a building or inhabitable structure or upon real property.

(b) A person does not commit the crime of trespass in the first degree by entering or remaining upon real property unless the real property is fenced or otherwise enclosed in a manner designed to exclude intruders or as to which notice against trespass is given by:

(1) Actual communication to the actor; or

(2) Posting in a manner reasonably likely to come to the attention of intruders.

(c) Trespass in the first degree is a class B misdemeanor.