Lenox Hill Neighborhood House | 1,977 followers on LinkedIn. Our Programs Improve the Lives of Thousands of New Yorkers in Need | Lenox Hill Neighborhood House, widely recognized as one of New York’s premier nonprofit organizations, is a 132-year-old settlement house that provides an extensive array of effective and integrated human services—social, educational, health, housing, mental health, nutritional and fitness—which significantly improve the lives of thousands of people in need each year, ages 3 to 103 and up, on the East Side of Manhattan.