Knives
C.R.S. 18-12-105 — a concealed knife with a blade over three and one-half inches is a class 1 misdemeanor
In Colorado's weapons article a knife means a dagger, dirk, knife or stiletto with a blade over three and one-half inches long, or another dangerous instrument capable of cutting, stabbing or tearing wounds. A hunting or fishing knife carried for sports use is not one.
Who handles this in Colorado: legal aid programs and the state offices, listed in the Colorado directory.
Knowingly and unlawfully carrying a knife concealed on or about the person is a class 1 misdemeanor.
- In the person's own home or place of business, or on property they own or control.
- In a private vehicle, carried for lawful protection of a person or property while traveling.
Sources for this section (2)
- C.R.S. 18-12-101 — Peace officer affirmative defense - definitions
- C.R.S. 18-12-105 — Unlawfully carrying a concealed weapon - unlawful possession of weapons
Legal information, not legal advice. Verified as of October 2026. Applying it to a particular situation is the work of a licensed Colorado attorney.