. >> that's one reason why officer, martha aliviso, decided to move her family here. caveat? these houses are located inside san quentin's gates. when the workday is over, most officers head for the gates, en route to their homes. but for others, home is no more than 100 yards away. >> it's hard to live in the san francisco bay area. rent is so high. we couldn't buy a house because the prices just skyrocketed. and then, with just my income, it was just impossible to live like that, so i asked warden if it was okay if we moved in. we waited three years. but we got it and here we are. >> there are 87 houses in all, and when one becomes vacant, they become available to officers in need of cheaper rent and a shorter commute. >> i hear a lot of people say they don't want to move here because they never leave the prison. well, i come home and i'm home. >> not everyone in the family is so excited about living inside a state penitentiary. in fact, the whole idea makes martha's son, chris, pretty nervous. >> it's kind of scary because they could break out and come and sneak in