Halifax Regional Police say they discovered cash and crack cocaine at a home in Dartmouth on Friday night following a drug investigation.
A 50-year-old man was arrested in the 200 block of Windmill Road.
He will be in court at a later date to face charges of possession for the purpose of trafficking.
Police also arrested three male suspects on Drysdale Road in Halifax as part of another drug investigation that led to the seizure of cash and marijuana.
Two men, ages 19 and 53, were arrested, along with one teenage boy.
The 19-year-old is facing charges of possession for the purpose of trafficking and breach of recognizance. He is being held until a court date to be announced later.
The 53-year-old and the teen are facing charges of possession for the purpose of trafficking.
Both have been released and will appear in court at a later date.