Allegedly, McCarthy lives in a DC apartment that is owned by Luntz according to some sources. I am not clear if he is still living there or not. This article has the reaction from Tucker Carlson.
https://www.cnbc.com/2021/05/04/kevin-mccarthy-admits-he-rented-room-from-gop-pollster-frank-luntz.html
Isn’t the apartment on Hershey Highway?