Leviticus 25:30

25:30 If it isn't redeemed within the space of a full year, then the house that is in the walled city shall be made sure in perpetuity to him who bought it, throughout his generations. It shall not be released in the Jubilee.
-World English Bible

Other Translation

25:30 And if it be not redeemed within the space of a full year, then the house that [is] in the walled city shall be established for ever to him that bought it throughout his generations: it shall not go out in the jubile.
-King James Version