The Ida Tarbell House is a historic house at 320 Valley Road in Easton, Connecticut. A simple farmhouse dubbed "Twin Oaks", it was the home of muckraking journalist Ida Tarbell (1857-1944) from 1906 until her death. She purchased the property with proceeds from her two-volume book on the Standard Oil Company. Most of her writing after 1906 was done in the study on the first floor. The house was declared a National Historic Landmark in 1993 for its association with Tarbell's professional life.