Spokesman Mike Quinn confirmed the burglary to NBC News.
Los Angeles Police Department public information officer Tony Im said a burglary occurred around 4:15 p.m. Saturday.
He said suspects ransacked the location and took property, and that nobody was home at the time.
Im declined to specify the address or name of the property owner.
The 40-year-old Pacquiao dominated over Broner, who is at least a decade younger, shutting down talk of possible retirement for the native of the Philippines.
Pacquiao retained his welterweight title against Broner.