The brick house is designed in the Queen Anne style, which can be seen in its pointed bay windows and the detailed brickwork on the cornices and chimneys on the sides of the house; however, the front of the home reflects a French influence.

Sullivan's influence on the home's exterior can mainly be seen in the dormers at the front and back and in the pediments on the sides.

The fireplace and railings inside the house are also Queen Anne style, though they too reflect early traces of Sullivan's characteristic design.

[2] The Ann Halsted House was added to the National Register of Historic Places on August 17, 1973.

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