Why is there water under my refrigerator?

Why that is usually the answer

Clear water arriving at the front of the kick plate whether or not anyone has used the dispenser usually means the supply line or a fitting on the ice maker feed has failed. Water that shows up alongside ice on the freezer floor, sometimes with a smell to it, means the defrost drain has iced or gummed shut, the tray is overflowing inside the cabinet, and the excess is running out under the door. Both repairs are small. Neither stops on its own, and in these houses the floor under the unit is the expensive part.

Where it usually turns out to be

The reason we would rather hear about this today than next week has nothing to do with the appliance. Water from a built-in does not appear at the front first. It runs back and sideways under the cabinet run, wicks into the toe kick and the subfloor, and reaches the open floor last, so by the time there is a visible puddle the cabinetry has been damp for a while. Wide plank wood, stone set in mortar and the engineered subfloors under both take that badly, and the remediation bill passes the repair bill quickly. A drain repair is a modest job. A section of floor is not.

For a house that stands empty part of the year the useful habit is knowing where the ice maker shutoff is and closing it before you leave. A slow weep at a compression fitting is nothing while somebody is home to notice it and is something else entirely over six unattended weeks. Large single story properties also run long tubing between the shutoff and the appliance, often through cabinetry and under flooring, so a leak can present a room away from where it started. If you are seeing water and cannot tell where it came in, say so on the phone and leave it alone rather than chasing it with towels.

If that matches what yours is doing, say so when you call — it decides which parts come on the van.