Colo. Rev. Stat. § 18-4-504.5 : CRIMINAL CODE — OFFENSES AGAINST PROPERTY — TRESPASS, TAMPERING, AND CRIMINAL MISCHIEF —4-504.5 - Definition of premises TEXT PDF As used in sections 18-4-503 and 18-4-504, "premises" means real property, buildings, and other improvements thereon, and the stream banks and beds of any nonnavigable fresh water streams flowing through such real property. C.R.S. § 18-4-504.5 L. 77: Entire section added, p. 977, § 1, effective June 10.