The Northwest Regional Gang and Drug Task Force used a warrant to search a Tull Road home Tuesday and found less than an ounce of heroin.
Authorities had bought heroin several times at the home and discovered the suspects were selling one to two ounces of high quality heroin every other day.
They arrested 31-year-old Stephanie Moses and 27-year-old Jesse Tom after investigating for six months.
Another arrest is expected.
Both Moses and Tom face several drug dealing charges.