"1920 Leonard B. Slosson Lawyer Los Angeles Home"
eBay
The seller didn't include a street address, but I found Leonard B. Slosson listed in the 1923 city directory (below).
lapl
Here's the house as it appears today.
gsv
The home was built in 1917. It features 4 bedrooms and 4 baths.
I wasn't able to find the name of the architect.