This is such a beautiful fic! Your characterizations are totally flawless, and the story itself is moving in a way the only House can be.
I will probably go back and read this numerous times, because it's just that good.

“We need an express elevator for cripples,” House said, and Wilson raised his eyebrows. “No, think about it. We get special parking, we get to cut the lines at Disney World...”

“You’d willingly go to Disney World?”

Such well done, touching House/Wilson banter. To me, the making of a believable House fanfiction is to get the banter down between him and really any character, but mostly with Wilson. Their friendship is so well written, how Wilson knows intuitively what House does and doesn't need.
Stacy is well written too, though I don't particularly care for her character, but that's a canon issue, not a you issue. You wrote her perfectly, and the conversation they have about her leaving is very well done.
And Crandall! Thank for for pulling a somewhat obscure character out of the fray and turning him into a beautiful outlet for House's inner demons.
All in all, thank you for writing.