$70 billion in unclaimed property held by states belongs to 33 million Americans. Here's how to see if you're one of them

• An estimated $70 billion in unclaimed property is being held by states, and belongs to about 33 million Americans.
• Treasury departments across nearly every state in the US collaborate to maintain a database of the property.
• Americans are encouraged to search for property that may belong to them in any state where they've lived. 

An estimated one in seven Americans, about 33 million people, has unclaimed property in at least one state, adding up to tens of billions nationwide.