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What Are the Knife Laws in Texas?

Texas generally allows adults to own and carry common knives, including manual folders, fixed blades, automatic knives, OTF knives, and balisongs. The state no longer categorizes a knife as restricted merely because it is a dagger, dirk, stiletto, poniard, Bowie knife, or sword.

The main statewide measurement is 5.5 inches. A knife with a blade over 5.5 inches is a “location-restricted knife.” That label does not create a general ownership ban, but it triggers age and place restrictions. [1]

What knives may adults own in Texas?

Texas does not impose a general state ban on adult ownership of ordinary folding knives, fixed blades, automatic knives, OTF knives, switchblades, or balisongs. The Penal Code’s former list of “illegal knives” was removed in 2017.

Ownership does not authorize criminal use, carry in a prohibited place, trespass, or conduct that violates another state or federal law. Federal restrictions can also affect interstate commercial activity involving switchblades even when state possession is lawful.

What is a location-restricted knife?

Texas Penal Code § 46.01 defines a “location-restricted knife” as a knife with a blade over 5.5 inches. [1]

The definition is based on blade length, not opening mechanism or historic knife name. A 4-inch Bowie-style blade does not become location-restricted merely because it resembles a Bowie knife, while a conventional fixed blade over 5.5 inches does fall within the definition.

Measure the actual blade carefully. The statute states the threshold but does not provide a consumer measurement diagram, so avoid relying on a seller’s rounded marketing figure when the knife is close to 5.5 inches.

May adults carry knives openly or concealed?

Texas generally permits an adult to carry a knife openly or concealed. Chapter 46 does not create one statewide blade limit for open carry and another for concealed carry.

For blades 5.5 inches or shorter, the special location-restricted-knife provisions do not apply. For blades over 5.5 inches, adults may generally carry them but must comply with the prohibited-place rules in § 46.03. Carrying or displaying any knife while committing an offense, threatening another person, or entering property after effective notice can create separate criminal exposure.

What age rule applies to knives over 5.5 inches?

Under Penal Code § 46.02(a-4), a person younger than 18 commits an offense by intentionally, knowingly, or recklessly carrying a location-restricted knife unless one of the statute’s conditions applies. Those conditions include being on premises owned or controlled by the person, being inside or directly en route to a motor vehicle or watercraft owned or controlled by the person, or being under the direct supervision of a parent or legal guardian. [1]

This is not a blanket ban on every pocket knife carried by a minor. Retailers, parents, employers, schools, youth programs, and private venues may still adopt stricter policies, and minors should handle knives only with responsible adult supervision.

Where are knives over 5.5 inches prohibited?

Penal Code § 46.03 applies to a firearm, location-restricted knife, club, or specified prohibited weapon in listed places. The current list includes, subject to statutory details and exceptions:

  • the physical premises of a school or educational institution, grounds or buildings where school-sponsored activity is conducted, and certain school transportation;
  • a polling place during voting;
  • courts and court offices without written authorization;
  • racetracks and secured areas of airports;
  • premises with a 51% alcohol-sales designation;
  • certain high school, collegiate, professional, and interscholastic sporting events;
  • correctional and civil-commitment facilities;
  • hospitals, nursing facilities, and mental hospitals without the required written authorization;
  • amusement parks; and
  • rooms where a properly noticed open meeting of a governmental entity is held.

The section contains definitions, notice requirements, exceptions, and rules that differ by location. Read the current text before relying on a summary. [1]

Do schools prohibit every knife?

The knife language in § 46.03 is tied to the statutory term “location-restricted knife,” meaning a blade over 5.5 inches. That does not mean smaller knives are welcome at school. Education Code requirements, school-board policies, student codes, employment rules, and the facts surrounding possession may be broader or lead to discipline even when § 46.03 is not the applicable criminal provision.

Practical rule: do not take a knife to a school, school bus, school activity, or campus without clear written authorization for a legitimate work, educational, or ceremonial purpose and confirmation that all applicable rules permit it.

May you transport a knife in a vehicle?

Texas does not impose a general rule requiring an adult’s ordinary knife to be locked in a trunk. The under-18 rule for a location-restricted knife expressly recognizes possession inside or directly en route to a qualifying motor vehicle or watercraft.

For safer transport, keep a large knife sheathed or closed and secured against movement. A vehicle does not override prohibited-place rules, private-property restrictions, or the law of another state crossed during travel.

Can Texas cities or counties adopt stricter knife laws?

Texas broadly preempts municipal and county regulation of knives. Local Government Code § 229.001 generally bars municipalities from regulating knife transfer, possession, wearing, carrying, ownership, storage, transportation, licensing, registration, or commerce. Chapter 236 provides a corresponding restriction for counties. [2] [3]

The statutes contain exceptions and do not erase generally applicable trespass law, state prohibited-place rules, federal law, or an authorized entity’s control over its own secure facilities and operations. The older statement that Texas cities and counties may freely impose stricter knife-carry rules is therefore misleading.

What private-property and travel rules matter?

A private owner, employer, event operator, or venue may establish access and conduct rules. If asked to remove a knife or leave, comply promptly. Do not assume firearm-specific signage rules are the only way a property owner can communicate a knife restriction.

The Transportation Security Administration prohibits knives in carry-on baggage except for plastic or round-bladed butter knives. Checked-baggage and airline requirements still apply. [4]

What should you verify before carrying?

  • Whether the blade is over 5.5 inches.
  • Whether the carrier is younger than 18 and one of the statutory conditions applies.
  • Whether the destination is listed in § 46.03 or uses security rules of its own.
  • Whether a private property owner or employer prohibits knives.
  • The law of every other state on the route.

Conclusion

Texas generally permits adults to own and carry common knives. The key classification is a blade over 5.5 inches, which creates a location-restricted knife and activates age and place rules. The definition is based on length rather than names such as Bowie knife or dagger, and Texas broadly preempts separate municipal and county knife regulation.

Last reviewed: August 24, 2026.

This article provides general information, not legal advice. Knife laws and their interpretation can change and may depend on blade measurement, age, carry method, purpose, location, notice, and conduct. Verify current law through official sources or consult a qualified Texas attorney about a specific situation.

Sources & References

  1. [1] Texas Penal Code Chapter 46. Definitions, the under-18 rule for location-restricted knives, prohibited places, and statutory exceptions.
  2. [2] Texas Local Government Code Chapter 229. Municipal preemption for knife regulation and listed exceptions.
  3. [3] Texas Local Government Code Chapter 236. County regulation of knives and related preemption rules.
  4. [4] Transportation Security Administration — Knives. Federal carry-on and checked-baggage guidance.