Our San Antonio estate planning attorney can help create durable medical and financial powers of attorney. Call us at 210-535-0870 for a free consultation.Can I give someone power of attorney to sell my property? Yes. This special power of attorney allows your agent to sign a deed for the property. If this is for the sale of property, one of our attorneys will need exact details to put into a power of attorney as well as an end term for the document. Our online deed preparation service makes it easy. Power of attorney is a legal tool often used in estate planning that authorizes one person to act and make decisions on behalf of another. Whether you can sell your own property after giving someone else power of attorney depends on the type of POA you've executed and the powers you've granted. A mortgage foreclosure is the forced sale of property pledged as security for a debt that is in default. A Texas real estate power of attorney document can be completed to enable a real estate agent to act on behalf of a homeowner or buyer.