Many guys in their 20s like to socialize, but four Stanford University housemates have taken it to a whole new level — and created their own definition of Jewish community.

It’s a good thing Harry Flaster, Josh Weinstein, Bryan Smith and Daniel Navi enjoy having people over to their Palo Alto home. On four different days last week, they had 75 guests at a busy barbecue in their backyard, 150 partygoers grooving in their living room and in their hot tub, 15 people around the dining table doing Torah study and 35 friends over for Shabbat dinner.