The U.S. Post Office, also known as the Willows Main Post Office or US Post Office–Willows Main, is the main post office in Willows, California. Built in 1918, the post office was designed by Walter D. Bliss and William B. Faville, architects known for their work in San Francisco. The building was designed in the Italianate and Beaux-Arts styles. The building's roofline and arched arcade entrance with Doric columns were inspired by the Italianate style, while its detail work, including terra cotta reliefs, quoining, and decorative keystones, is Beaux-Arts styled. While many Italianate Beaux-Arts post offices were built in the early 20th century, the Willows post office was one of the few built in California. In addition, it is one of the few ornately designed buildings in Willows and has b