The apartment is really spacious and our group of 4 had more than enough place, although there is only one bathroom (as described)
Bedrooms were large and clean and well equipped with sheets and towels. Rob was very responsive in the communication and provided great list with verified near-by places of interest.
If you have rented car, it might be troublesome finding suitable parking in the evenings, although Rob provided hints on that, too - and as I understand, this is generally valid for the central part of SF.
All in all - the place is definitely recommended!