Just had a second level put on my house and the plumber forgot to run a water line for the fridge, I am afraid that he's going to have to run tubing through my new cabinets, is there a better way? The flooring is already installed as well as my cabinets. The sink and fridge are on opposite sides of the kitchen.

Could you even be able to run a ice maker line from one side of the kitchen to the other inside of your cabinets. As a rule that's the way we run 6then after the cabinets and fixtures are installed. However, The refrigerator and sink are usually on the same wall.
Having said that would it be possible to jump up into the attic from the fridge and then drop back down to pick up cold water at the best location? Sound like a plan. Tom