This is a great modern apartment, beautifully presented with clean "Zen" styling and excellent appliances and facilities. It is a basement so there are no windows but the clever design and lighting means this is no problem.
We stayed as a family with two grown up children and had enough space, although the double bed is on the small side, and the lounge-space seating is one couch.
The location is some way out of SF centre, but is great with really nice shops, food and drink within two minutes walk.
We didn't actually meet Bill the host while we were there but he was very responsive and helpful online with all our questions and also provided plenty of useful local information in the apartment.
I would recommend this as a comfortable place to stay in SF with a helpful host and great style that is much better than another standard hotel room!