There are multiple definitions - click on the translation that matches your context.
estate means:
Substantiv
partial
noun
The more common meaning of this phrase to an American reader is an extensive area of land in the country, usually with a large house, owned by one person, family, or organization. In that sense, the word estate would be an excellent translation for the German noung "Gut".
a person's rights in real property (=land)
If you pay rent, you hold a leasehold estate, commonly called a lease or leasehold.
everything that a person owns when they die
He died leaving an estate worth over $1.5m.