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Colorado knife laws

Colorado knife laws
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Knife laws in Colorado are formulated to regulate the ownership, possession, and transportation of knives and similar sharp-edged instruments within the state. These laws encompass the types of knives that are legal and illegal, carrying laws, and restrictions concerning specific locations. Understanding these laws is critical for residents and visitors to comply with the state’s legal stipulations and avoid penalties.

Types of Knives

Legal Knives

In Colorado, individuals are generally allowed to own, possess, and carry various types of knives, including but not limited to:

Illegal Knives

As of the last update, the law considers the following types of knives illegal in Colorado:

Carrying Laws

Open Carry

Open carry of legal knives is generally allowed in the state of Colorado. However, the open carry of knives with blades over 3.5 inches in length may be restricted in certain areas, and it is advisable to check with local laws and ordinances for specific guidelines.

Concealed Carry

Concealed carry laws in Colorado stipulate that it is illegal to carry concealed knives with blades longer than 3.5 inches, unless an individual falls under one of the exceptions laid out by the state, such as being a peace officer or a member of the armed forces acting in the course of their duties.

Restricted Locations

There are certain locations where carrying knives is restricted irrespective of the blade length. These locations generally include:

  1. Schools and school grounds
  2. Government buildings
  3. Public transport facilities
  4. Airports

Law Enforcement or Military Exceptions

Law enforcement officers and members of the military are generally exempted from the restrictions on carrying concealed knives with blades longer than 3.5 inches when they are acting in the line of their duty. This exception allows them to carry and use the necessary tools required to fulfill their responsibilities.

Consequences of Law Violation

Violating knife laws in Colorado can result in several consequences, including:

  1. Confiscation of the knife
  2. Criminal charges, which might range from a misdemeanor to a felony depending on the nature of the violation
  3. Monetary fines
  4. Possible imprisonment

It is essential to adhere to the state’s knife laws to avoid these penalties.


In conclusion, understanding and complying with Colorado’s knife laws is essential for residents and visitors to avoid legal repercussions. It is always recommended to stay updated with the latest legal provisions and to consult with a legal expert if there are any doubts regarding the compliance with these laws.


Colorado Revised Statutes, Title 18 – Criminal Code

Official website of the State of Colorado

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