How do I set up direct deposit? Get information on estate planning basics, tips, and how to know if you need a lawyer to help.Includes help planning for the unexpected. Payee: Maricopa County Treasurer Address: PO Box 52133, Phoenix, AZ 85072-2133. Take the guesswork out of opening Trusts, Estate accounts and more. Discover wealth management solutions to families and business owners in Maricopa County, AZ. Find a wealth manager to achieve your financial goals. Before you do so, you should confer with an experienced attorney. Ask them to fill out and sign a declaration. Part Time (30 Hours) Associate Banker Maricopa Branch, Maricopa, AZ. Maricopa, AZ, United States. How do I set up direct deposit?