in this 1953 photograph looking west from city hall, the building, directly to the south of the law building exists in both photographs.
Source: LAPL
without seeing sanborn maps, i don't know for sure if the law building took one or two lots.
in 1959, the law building and it's short neighbor to the north hang on, (
can't say as much for the hill)
Source: LAPL
1963? still hanging on..........................................
Source: LAPL
1974?.....................(
not so much)
Source: LAPL