Water Damage Question

I have water damage on a wall and floor that seems to be coming up from below the floor. It is an interior wall so I don’t think it is an exterior problem. Who can I call to help me figure out the source of the water? I called one plumber and they said they would need to start opening up the wall and floor which i’d prefer to limit if possible. Are there specialists for this sort of thing?
thanks.

By aqs |