Conclusion on California Knife Law. If you are in California you can buy, own, transport, and carry any knife you want as long as it is not a forbidden knife. You can also collect Balisongs without worry. read more
Legal Knives in California. Bowie knives are legal. Large knives are legal (no restrictions in size). Carrying knives in the open is legal in California. Carrying knives concealed is legal in California for most knives. Illegal Knives under California Knife Law. Misleading knives are illegal. read more
Butterfly or Balisong, or gravity knives are illegal to sell, buy, mail, possess, carry, unless you are active duty military or law enforcement officer. detailed analysis of CA knife carry laws is in the attached link. read more
Best Answer: California considers balisongs (butterfly knives) as "switchblades," BUT it allows those with blades under 2 inches. Because of this law, there are several companies located within California that manufacture them with 1.9" blades. read more