an architectural style popular in Oregon between about 1840 and 1865 that adapted elements of Classical architecture as used in ancient Greece. These include such features as bilateral symmetry (the left and right sides of the façade of the building are identical), porches supported by columns, pilasters at the corners of the building, and a low-pitched gable roof. There is usually a complete entablature.
Features a low pitched gabled or hipped roof, cornice line of the main and the porch roofs emphasized with a wide band of trim, porches supported by prominent square or rounded columns, front door surrounded by narrow sidelights and a rectangular transom above.