Which type of estate gives the owner condition-free interest in a property?

A fee simple absolute is a type of estate that provides the owner with the greatest degree of ownership and control over a property, free from any conditions or limitations. This means that the owner has the right to use the property in any legal way, sell it, lease it, or pass it on to heirs without any restrictions. This form of ownership is considered the most complete interest one can have in real estate, allowing for full enjoyment of the property without the risk of it reverting to a previous owner or any third party based on conditions tied to the ownership.

In contrast, other types of estates either come with limitations or do not provide full ownership. For example, a fee simple conditional involves certain conditions that could cause the property to revert back to the original grantor if those conditions are not met. A life estate grants ownership only for the duration of a specific person's life, which limits the duration of ownership. Lastly, a leasehold estate involves renting the property for a specific period and does not confer ownership rights to the lessee. Thus, fee simple absolute is the only option that offers owners complete and unrestricted interest in the property.