Gallier Hall, the former City Hall of New Orleans faces the square on St. Charles Avenue. Although the city government has moved elsewhere, the square is still used for inaugurations and civic events. The square also often hosts live music.
Hurricane Katrina severely damaged the trees in the park, with broken glass and debris from nearby buildings making the park unsafe. A group of neighborhood residents and downtown workers formed a charitable organization, the Lafayette Square Conservancy, to transform it into a premier urban space.