The Augustus Post House, also known as Hewitt House, is a historic house at 4 Main Street in Hebron, Connecticut. It is a 2-1/2 story brick house, four bays wide, with a front gable roof and four chimneys. The main facade has windows in each bay, with then main entrance sandwiched between the center two bays. It is flanked by sidelight windows and topped by a semi-elliptical fanlight window. A wood frame ell extends to the building's rear.