Brampton Fire crews were at Peel Regional Police headquarters on Hurontario Street investigating an alarm.
Police say it was an electrical issue. Certain portions of building had been evacuated for cautionary reasons, fans were being used to air out some sections.
The smell of smoke was reported to fire crews just be fore 3 p.m. Saturday.
Police say no one was injured and there was never any public safety concern because the headquarters did remain functional.