"Approximately 695ft."
https://planning.lacity.org/eir/nops/945_W_8thSt/IS.pdf
For reference, Cesar Pelli's neighboring 777 Figueroa St. is 725ft., and (across the street) Metropolis's tallest tower is 647 ft.
Was hoping this project would be in the 750-800ft. range, but not bad.