pre-owned home; existing home
Refers to a house that has been previously owned and is now for sale or rent, as opposed to a newly built home (新築住宅). Common in real estate contexts.
Before buying a pre-owned home, you should carefully check the condition of the building.
このエリアには手頃な価格の中古住宅がたくさんある。
There are many affordable pre-owned homes in this area.