abandominium
(n) An abandoned or condemned structure that still has working electricity, water, plumbing, air conditioning, heat, shower, or any combination of these facilities.  Very much sought after by the homeless or drug-addicted, particularly in winter months, the abandominium is the very epitome of the perfect squat.
"where you crashin' tonight, kid?"
"I got me a sweet abandominium downtown. Wanna go?"
"Damn skippy!"