This website offers info on the custodial role of the state and state responsibilities.  The Department of Revenue sends out periodic letters notifying potential owners of lost funds.  Their department mission seeks to “effectively collect, safeguard, and distribute Unclaimed Property to the rightful owners through prompt and courteous service, and to provide education to the public and holders about Unclaimed Property Laws.”

Arizona Department of Revenue

1600 W Monroe

Phoenix, AZ 85007-2650

Phone: 602-364-0380 or 877 492-9957