As summer turned to fall, a new batch of top dollar listings hit the marketplace. The most expensive is PH#12, a 3,700 square foot one-of-a-kind waterfront penthouse at Washington Harbour in Georgetown. Here, $7,200,000 gets you 2-bedrooms, 3.5 baths, a library, formal dining room, parlor, chef’s kitchen and a 5,000 square foot panoramic terrace overlooking […]