What is ancillary? An ancillary probate in the state of Florida is utilized when a decedent has died as a resident of a different state. For example, let’s say we have a decedent that died in the state of New York, but they, of course, wanted to escape those New York winters and had a little condo here down in Florida. Because the condominium is real estate, an ancillary probate must be opened to transfer the condominium to the beneficiaries of the last will and testament. So, there will be a domiciliary estate opened in New York and an ancillary probate estate opened in Florida. Have more questions? Then contact us today to schedule a free consultation! Doane & Doane. Top rated Tax & Estate Planning Attorneys.