Do Maryland houses have basements? If so, then a guest would be directed to the basement restroom or first floor powder room rather than up to the private second floor.
Why would Brett and Judge be upstairs? Possibly in the owner’s son’s room but not the master or another other bedroom. Why hasn’t she said who’s room it was? A teen boy’s room, the master, the guest room, a daughter’s girly decorated room?
some people may have the baby or youngest child next to the bathroom - to have the sink/toilet close. but then there might need to be a stair gate. Rooms with stereos or radios maybe would be a master or teen room, not so much a child’s room.