An Arizona real estate power of attorney is a document that appoints a representative to buy, sell, or manage property on behalf of another person. Stepbystep instructions about how to sign a deed to transfer real estate using a power of attorney.Explore the different types of power of attorney forms in Arizona, including durable, medical, and limited options. A general power of attorney allows you to do anything the principal can do. That includes handling all finances and transactions, including a selling a home. An Arizona real estate power of attorney is a legal document that empowers an agent to manage real estate matters on behalf of the principal. An Arizona Power of Attorney (PoA) is a legal document that grants a trusted individual or entity permission to handle legal matters for you. If a limited POA includes handling real estate transactions, you'll be able to sell the other person's home. A real estate power of attorney is a document that allows someone to buy or sell a property on your behalf. Similarly, an agent who signs documents to buy or sell real property on your behalf must present the power of attorney to the title company.