Leviticus 25:32

''The Levites always have the right to redeem their houses in the Levitical towns, which they possess.

(New International Version)

'As for cities of the Levites, the Levites have a permanent right of redemption for the houses of the cities which are their possession.

(New American Standard Bible)

Notwithstanding the cities of the Levites, and the houses of the cities of their possession, may the Levites redeem at any time.

(King James Version)