U.S. Tattoo age requirements: No national law; 18+ common without consent. Parental involvement allowed in many but banned in others like NY, CA. Always verify state statutes. Lopez Law Group assists with tattoo injury claims. Call 24/7 (956) 968-7800. https://fernandojlopez.com/how-old-do-you-have-to-be-to-get-a-tattoo/