What Size Knife is Legal to Carry in Washington State?

Know Washington State’s blade size laws before carrying a knife. Carrying a knife depends on location, purpose, and state knife legislation. This page will answer “What size knife is legal to carry in Washington State?” and help you understand the knife laws.

What is Washington State Knife Laws

Washington State’s knife carrying size is determined by Chapter 9.41.250 of the Revised Code of Washington (RCW). This chapter covers knife legislation. RCW 9.41.250 prohibits concealing knives with blades longer than three and a half inches. A concealed carry permit exempts one from this ban.

In Washington State, a “dangerous weapon” is any fixed-blade or folding knife with a blade longer than three and a half inches designed for use as a weapon. Knives used for hunting, fishing, or other legal activities are not considered hazardous weapons.

What Size Knife is Legal to Carry without a Concealed Carry Permit?

What Size Knife is Legal to Carry in Washington State?
Knife is Legal to Carry without a Concealed Carry Permit

If the blade is less than three and a half inches, you can carry a knife in Washington State without a concealed carry permit. Carrying dangerous knives with blade lengths over three and a half inches is illegal.

However, certain cities and counties in Washington State have tougher knife laws than the state. Thus, it’s best to learn the local regulations before visiting or living there.

The Importance of Familiarizing Yourself with Local Laws

Local laws must be learned for many reasons. Whether you’re a resident, a guest, or preparing to move, local rules and regulations can affect your safety, legal rights, and well-being. Local laws must be known for these reasons:

Compliance: Ignorance of the law is no excuse for breaking it. Knowing local laws helps you follow them. This prevents inadvertent violations that could lead to fines or legal action.

Personal Safety: Local laws often cover traffic, emergency, and public safety. Following these laws can safeguard you and others. Understanding local traffic laws might help drivers avoid accidents. Emergency protocols can help you handle emergencies and natural disasters.

Protecting Your Rights: Laws protect your rights and promote equality. Local laws can help you understand your rights in work, housing, consumer protection, and privacy. You can exercise your rights, seek legal remedies, and prevent abuses with this knowledge.

Cultural Sensitivity: Laws reflect local values, customs, and nuances. Local laws reveal local customs, social norms, and permissible behavior. This awareness promotes cultural sensitivity, helps you fit in, and reduces the risk of offending someone.

Business and Financial Considerations: Knowing local regulations is crucial if you want to start a business or do financial activities. Business regulations, licensing, taxes, and other legal matters differ by country. Following these regulations keeps your firm legitimate, avoids penalties, and maintains a good reputation.

Questions (FAQs)

Can Washingtonians carry pocket knives?

Washington State allows pocket knives with blades under three and a half inches. Carrying deadly pocket knives with blades longer than three and a half inches requires a concealed carry permit.

Washington State allows fixed-blade knives.

Washington State allows fixed-blade knives with blades up to three and a half inches. A concealed carry permit is required for dangerous weapons with blades longer than this.

Public knife carry restrictions?

Publicly carrying knives with blades under the legal limit is normally allowed, however some localities may have additional limitations.

Schools, government facilities, and other high-security areas may ban all knives. To avoid legal issues, follow these rules.

Washington State allows concealed knives.

Washington State prohibits concealed knife carry without a permit. With a permit, you can carry a hidden knife with a blade longer than three and a half inches.

The process and conditions for acquiring a concealed carry permit may vary, so check with the local law enforcement department or Department of Licensing.

Any knife length exceptions?

There are knife-length exclusions. Hunting, fishing, and other authorized outdoor sports allow knife blades longer than three and a half inches.

It’s important to utilize the knife as intended and not as a weapon. Even in special cases, carry knives safely.

What are Washington’s knife-carrying penalties?

Carrying a longer knife without a concealed carry permit is illegal. Washington State knife law violations are gross misdemeanors that can result in fines and jail time.

The severity of the punishments depends on purpose, past convictions, and the incident. Avoiding legal issues requires following the law.


In conclusion, Washington State knife laws must be understood to comply and prevent legal complications. Knives without a concealed carry permit can have a three-and-a-half-inch blade.

It’s important to examine your city or county’s knife laws because they may have extra restrictions. You can use knives legally by following these laws and carrying them appropriately.

For the latest knife laws and restrictions in Washington State, consult a lawyer or local law enforcement.

I love knives and love reviewing them. Knives have been a part of our lives for as long as we can remember. We grew up using knives in the kitchen and in outdoors.