We loved our "San Diego home" away from home. The location is great, the host is responsive, the place is small but clean with all the kitchen setup you need for an extended stay.
I only have two small suggestions for the property description. It cannot sleep 3 so I suggest that it is changed to sleeps 2 or 2.5. Also (and this is very minor), the "front door" is on the right side of the property, which confused me and made it harder to find the lockbox for the key. These are minor points, overall I give the owner high marks for responsiveness and being a great host.
Although California struggles with homelessness, which you will see all over the city as you explore, we did not have any security concerns. We felt safe in the apartment. I say this as a senior citizen woman traveling with my adult autistic son.
The owner has put a lot of thought into providing what is needed for a comfortable stay.