How to Find Unclaimed Money? If a business, government office, or other source owes you money that you don’t collect, it's considered unclaimed. Unclaimed property can include many things, including cash, checks, money orders, security deposits, or the contents of safe deposit boxes. The federal government doesn’t have a central website for finding unclaimed money. But you don’t need to hire a company to find unclaimed money for you. You can find it on your own for free, using official databases