It was declared a National Historic Landmark in 1994, for its distinctive architectural style and for its association with Austin, the Atheneum's director 1927–1944.

The twelve flat pilasters rise with entasis from bases of double torus moldings to stylized Ionic capitals.

Two string courses, one at first-floor ceiling height, the other below second-floor window sills, establish a horizontal orientation to balance the strong upward thrust of the pilasters.

Above the door, a balustrade is suggested by half-round, vase-shaped balusters applied to the spandrel under the tall, double round-arched window.

In 1985, she and her two children, David and Sarah Austin, donated the house to the Wadsworth Atheneum, which provides guided visits of the property.