But the best thing about 3607 is expressed in a new truism: Unless we’re leaving the country, why leave the house? We’ve created an urban oasis that serves the family on multiple fronts. We’ve all got comfortable and stylish private space, yet the common areas are plentiful and versatile. During an impromptu soiree, I found seated guests canoodling in the living room, standing guests noshing over antipasti and cocktails at the bar, plus another scene happening around our large island in the kitchen. On the second floor, something quiet and serious was taking place on the balcony, and the third floor was as lively as Quirk’s rooftop. This house didn’t come with instructions, but if it did, they would suggest hosting a dinner party for 10, a living room book club of 20, and cocktails throughout for 75 (and easily 100 when the yard is in play).