This Airbnb is like back in the old days, súper welcoming host (grande Jason!), great tips, very good location, nice and tidy room, good kitchen and just overall a great place to stay at.
I was traveling alone, and was concerned about staying in The Mission. the internet is too alarming, this location is great, I never felt insecure and felt very comfortable walking around during the day.
Sadly, there are homeless people around, but I didn't find it to be too different from the rest of SF.
If you're concerned about bathroom sharing, I can say that I stayed for over a week, and the bathroom was always clean and available.

I'd happily stay here again.