Charles Ellicott Commentary Leviticus 25:33

"And if one of the Levites redeem, then the house that was sold, and the city of his possession, shall go out in the jubilee; for the houses of the cities of the Levites are their possession among the children of Israel." — Leviticus 25:33 (ASV)

And if a man purchase of the Levites. — Better, And if one of the Levites redeem it, that is, even if a Levite redeemed the house that his brother Levite was obliged to sell through poverty, the general law of house property does not apply even among the Levites themselves. They are to treat each other according to the law of landed property.

Then the house that was sold, and the city of his possession, shall go out. — Better, then the house that was sold in the city of his possession shall go out, that is, in the year of Jubilee the house is to revert to the vendor just as if it were landed property. Thus, for instance, the house of the Levite A, which he, out of poverty, was obliged to sell to the non-Levite B, and which was redeemed from him by a Levite C, reverts in the Jubilee year from the Levite C to the original Levitical proprietor A.

It is, however, more than probable that the negative particle has dropped out of the text, and that the passage as it originally stood was, And if one of the Levites does not redeem it. That is, if he does not act as the nearest of kin, then the house reverts in the year of Jubilee to the original Levitical owner, just as landed property. The Vulgate still has the negative particle.

For the houses of the cities of the Levites are their possession. — As these houses were all that the Levites possessed, they were as important to them as the land was to the other tribes; hence, they were to be treated legally in the same way as the soil.