What is the name of your state (only U.S. law)? DC When the court calculates the monthly child support amount, are the non-custodial parent's household expenses, i.e. food, rent, utilities, part of the equation? Also, if the non-custodial parent lives in MD and the custodial parent lives in DC, where would the filing take place?What is the name of your state (only U.S. law)?