The Casa de Stewart site is a California Historical Landmark No.

Casa de Stewart was built by José Manuel Machado, a leatherjacket company soldier of the New Spain Army, stationed in San Diego.

Rosa married Jack Stewart, a pilot boat operator from Maine.

Carmen Stewart Meza lived in the house for 50 years; she moved out after a 1966 flood.

Casa de Machado y Silvas, built in 1832, is also a California Historical Landmark.