This is a lovely house close to Colma BART station. The trains run pretty regularly so I found this a very convenient place to stay while spending a few days holidaying in San Fransisco (takes around 45 mins to get to the civic centre including the walk to the station). It felt quite safe to me walking back from the station after dark (small young looking woman on my own)
The room was comfortable and nice and quiet, with plenty of space for storing clothes. There are 3 bathrooms across the house so I never had to wait for a shower and all the communal areas were very clean.
All in all, if you want to explore San Fransisco but don't want the hustle and bustle of staying in the city centre this is a great place to stay. It's also really handy for getting to the airport.