In these states, sober living homes must participate in voluntary certification programs in order to receive referrals from state agencies. They also must participate in voluntary certification programs if they wish to qualify for state funding. While fair housing laws do permit recovery housing programs to operate out of residential neighborhoods, certain restrictions apply in terms of how the program is run. In order to be eligible, a sober living home must operate as a long-term residence as opposed to a temporary dwelling. Leaving drug treatment only to re-enter a destructive home environment makes it all but impossible for a recovering addict to maintain abstinence...