Sonoma County Landmarks
Over the years, this building has reportedly been home to a a stagecoach stop, post office, a roadside hostelry, a bar and restaurant, a store, a butcher shop, a carriage maker, a community hall and the inevitable brothel.

The marker reads:
Washoe House
Erected 1859
Located on Spanish grant Roblar de la Miseria. The pioneer hostelry was built by Robert Ayres and served as a stage coach station between Petaluma, Santa Rosa and Bodega during the early days of Sonoma County.
Yerba Buena Chap. E Clampus Vitus
April 13, 1958 by

El Rancho Roblar de la Miseria (The Oak of the Misery) was a Mexican land grant given in 1845 by Governor Pío Pico to Juan Nepomuceno Padilla. The grant extended along the Petaluma River from Hessel, Roblar, Liberty and Two Rock south to Petaluma.