Leviticus 25:32

And the cities of the Levites, the houses of the cities in their possession, shall be always redeemable to the Levites.

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

“‘Nevertheless, in the cities of the Levites, the Levites may redeem the houses in the cities of their possession at any time.