James_Treadwell_estate
Treadwell Mansion and Carriage House
Historic building in Oakland, California, US
Treadwell Mansion and Carriage House, is a historic mansion with carriage house built in c. 1875 in the Rockridge neighborhood of Oakland, California, U.S..[1][2] The two buildings used to be part of the campus for California College of the Arts, from 1922 until 2022.[3] The Treadwell Mansion and Carriage House has been listed on the National Register of Historic Places since July 15, 1977;[4] listed as a California Historical Landmark since July 15, 1977;[5] and listed as an Oakland Designated Landmark under the name "Treadwell Hall" since August 5, 1975.[6] It is also known as the James Treadwell Mansion,[7] Treadwell Hall, and Macky Hall.