Officers reported several people forced their way into an apartment around 10 p.m. Monday on des Seigneurs Boulevard, near de Poitiers Street.
Terrebonne police Capt. Éric Hallé said the suspects were trying to steal drugs.
When the residents didn't have any drugs, Hallé said the suspects stole the victims' wallets, cell phones, computers and a video game.
He said the suspects tried unsuccessfully to steal a car before fleeing on foot.
Police are investigating.