We had some sheet rock removed behind the washer and dryer that had been water-damaged before we bought the house. There was some mold on it, but it appeared to have been there since the original leak. Next we wait for the plumber to show up on Monday to check out the pipes and change out the old, rusty washer connection box. It's amazing what's hiding in just an eight foot section of wall.
Remember when I was chopping holes in the ceilings back in October?