Somewhere MC Hammer is nodding with sadness:
Reuters fills in some details:
Meaning, taxes. Reuters also notes that unpaid interest is accruing at the rate of $251 per day.
It's possible he just doesn't want to pay for it anymore. Kelly put the mansion up for sale last June, and apparently stopped paying. Perhaps he thinks the act of offering it for sale is tantamount to being absolved of your responsibilities.
Pictures of the inside here; the Onion AV Club takes a tour, here.
It looks like if you've been shot out of a cannon, or live next door and have an incredible trampoline:
