Bangor Police and Maine Drug Agents say they had been investigating the sale of heroin and crack cocaine at a residence on Center Street.
They moved in Thursday night and carried out a search warrant.
As a result of the bust, 5 people were charged with aggravated trafficking in heroin or crack cocaine.
They include Dwayne Wiley, 20, Kahdijah Sullivan, 19, Alexander Moleon, 25, Karol Sullivan, 46, and Azaria Sullivan, 25.
31 year old Trisha Burke, who also goes by the name Trisha Sapiel, was charged with felony possession of heroin and methamphetamine.
Officials say they had made undercover drug purchases at the home before police moved in.
They also seized 47 grams of heroin and $14-hundred dollars in suspected drug proceeds.