Houses on Brooklyn Heights Facades of three five-story brownstone houses at 12, 23, and 25 Pierrepont Street at the intersection of Willow Street; street light and street signs and small tree in foreground; house on right has fire escape. Caption: "Houses on Brooklyn Heights--These three brick houses at Pierrepont and Willow Sts. were picked for preservation by the Municipal Art Society as borough structures which should be preserved because of great local importance."