Go to missingmoney.com to search 49 states, Washington, D.C., and Puerto Rico for unclaimed property that might be due you. (Search for any of your assets in Hawai’i by using the site’s link to Hawai’i’s registry.) Provided by the National Association of State Treasurers, the site catalogs assets such as uncashed checks from corporations, financial institutions, banks, insurance companies and municipalities, along with the contents of inactive brokerage accounts and unclaimed safe-deposit boxes.