Here's yet another example of L-shaped house, allowing the master bedroom to take full advantage of the back terrace. Note the curious double staircase down to the basement. As noted in the article, one entrance was inside and the other outside, leading to a 'sun room with violet-ray lights.' That's not something every client would ask for, though it does say something about Portland's climate.
Walter Gordon's house appears to be in original condition aside the conversion of the carport into a garage.