Washington Illegal Weapons Possession Penalties (2026)

Unlawful possession of firearms or weapons charges in Washington: penalties, sentencing ranges, felony thresholds, and what to expect if charged.

Educational purposes only. Not legal advice. If you are facing illegal weapons possession charges in Washington, consult a licensed Washington criminal defense attorney.

Washington Illegal Weapons Possession Penalties

OffensePenalty
First OffenseClass B felony: up to 10 years (felon in possession)
Second OffenseClass A felony: up to life (prior serious offense)

RCW §9.41.040; possession by prohibited person; prior serious offenses enhance penalty

Illegal Weapons Possession Statute of Limitations in Washington

In Washington, the general statute of limitations for a felony is 3 years and for a misdemeanor is 2 years.

See all Washington statutes of limitations →

Defending Against Illegal Weapons Possession Charges in Washington

Common defenses in Washington illegal weapons possession cases include:

  • Lack of intent — many charges require proving criminal intent
  • Insufficient evidence — the prosecution must prove guilt beyond a reasonable doubt
  • Procedural violations — improper arrest, unlawful search and seizure
  • Mistaken identity
  • Constitutional violations — Fourth and Fifth Amendment protections

The specific defenses available depend on the facts of the case. Consult a Washington criminal defense attorney for advice.

Related Washington Laws

DUI / DWI Marijuana Possession Theft / Larceny Assault Domestic Violence Drug Possession Burglary Robbery Fraud Trespassing Disorderly Conduct Vandalism Hit and Run Drug Trafficking Prostitution Shoplifting Reckless Driving Forgery Kidnapping Arson Stalking Embezzlement Money Laundering Public Intoxication