Knife Law Lookup

Federal and state knife and self-defense spray laws for a US address, with the exact statute text and a link to the official source.

A ZIP code is more accurate: some cities have their own knife rules, and a ZIP lets us include them. A state checks federal and statewide law only.

Check a specific product (optional)

Information, not legal advice. Rules are drafted from our research of official statute text and have not yet been reviewed by a lawyer. City and county ordinances are not yet included.