Yes, it does. But I would only include it if János does not live alone. Otherwise just "Jánosnál". But then it may get ambiguous what "Jánosnál" means. So, the rest is up to context.
It is interesting to hear that so many of these later lessons' audio files are spoken pretty fast and this here is again at relaxed beginner level.
Maybe she caught a break from having to speak these crazy sentences for a while (I understand there are thousands of them), and came back to the studio after a nice relaxing vacation.