New York - Gotham Accounting Services
To all external appearances, the New York-Gotham Accounting Services building is the busy offices of an accounting firm in Little Italy. However, if walk-in customers ask for an appointment or to do business, they are politely told that the firm is far too busy and isn't taking new clients. No one seems to get past the small, outer reception room. This is because the building is really the headquarters for the Falcone Crime Family. While the family does employ more accountants than the other gangs, and most of them do work here, it's a center for rot and corruption.
The building is just as secure as you might imagine. The walls are thick, the doors are steel, the windows are barred and have metal shutters. Upper floors boast an armory, and there is always ample muscle just behind a nearby door. Access is tightly controlled, with the accountants coming in through the front, and the more flamboyant gangsters coming in through an alley door in the back.