I have a tenant who's vacating today (but picking up 3-4 large items tomorrow). He was notified in the termination agreement that he owed $150 for utilities (and was given a copy of the bills for the utilities) and that was due 2/27.
I know for a fact he has no money (he squanders it...
Update to Information
One key piece to note on this, is that I live in the home as well, and the roommate is just that - he was paying for a bedroom, and shared use of the rest of the house/property.
I own my home, and took on a "roommate" in November. We both signed a "Living Arrangement Agreement" that stated terms of rent, utilities, etc. (I took a landlord/tenant agreement form from online and tweaked it), and there was provision of termination stating "as much notice as possible", etc...