It was originally the home of prominent New Orleans architect, James Gallier Jr. Construction began in 1857 and he moved in with his wife and children in 1860.

The home boasts numerous technological and architectural advancements for its time, offering a glimpse into 19th-century cutting-edge design.

It was declared a National Historic Landmark in 1974 for its association with Gallier, one of the city's most important architects of the mid-19th century.

The Gallier House reflects an accurate and comprehensive historic restoration of one of New Orleans’ time-honored landmarks.

The house is eclectic, combining Italianate features such as stucco treatment with classical elements like the formal front entrance.