The state of Texas does not have an estate tax, however residents may still be subject to federal estate tax laws. Our Estate Tax Planning Attorneys can help you minimizes taxes for your heirs.If you are concerned about the Texas Estate Tax, we can help! The executor must file Form 1041 (U. When Should I File an Estate Tax Return? The following explains how to fill out Form 706, United States Estate (and GenerationSkipping Transfer) Tax Return and the various attachments. As your trusted advisor, we help you develop an estate and trust plan that protects wealth and minimizes the tax burden on you and your loved ones. What about estate taxes in Texas? An estate tax return is required if the gross value of the estate is over a certain threshold.