We stayed 3 nights at the apartment. Peter was a lovely host; plenty of privacy, but approachable if we needed anything. The apartment is spotless and Peter gives a lot of attention to the details (fluffy white towels, comfy bed, fully stocked kitchen with dishwasher, dishes, etc). His cute dog occasionally stops by to say "hello".
Location-wise, it is conveniently located near Chinatown, Fisherman's Warf, Financial District, shopping, and endless bars, restaurants. I do not hesitate in recommending this place as your "home" in SF!