It happened at the Autumn Ridge Apartments on Codes Ridge Road, right off Glenwood Avenue.
Fire officials said multiple units were affected. No injuries were reported.
A kitten was rescued from one unit. Firefighters pulled a dog out of another. One kitten was reportedly still missing, a spokesperson for the Raleigh Fire Department said.
The cause of the fire is under investigation.
An ABC11 breaking news crew remains at the scene. Check back for updates.