We stayed at Sandy's place for a few nights. It's a single room converted garage which is *much* bigger than the photos make it look! The room was very comfortable and the bathroom and kitchenette were adequate. The street was very quiet and we no trouble using the codes to get in and out of the yard/apartment. We visited in July and noted that the room did heat up during that day, but can be somewhat mitigated by pulling the blinds closed and closing the skylight. The aircon in the room quickly brought us back to a liveable temperature :)
The location was good although we don't really know LA that well to judge whether it's convenient to the areas others might want to explore. We used Uber to get around and was ~20 mins in weekday morning traffic to get to Griffith park (for hiking). ~20–30 minute walk from The Grove shopping centre, and a few minute walk to The Petersen Auto Museum which is DEFINITELY worth a look if your middle interested in cars. Sandy supplied a free pass for the museum too.
Sandy was a great host. Very quick on communication and able to accomodate our requests of dropping bags off early before check-in, as well as printing a couple pages for us. I'd definitely recommend a stay with Sandy :)