Police and firefighters were called to the 100 block of Stranmillis Avenue early Wednesday morning.
Police, responding to a report of shots fired, learned there was smoke coming from the residence they were attending.
Fire crews arrived to find a fire in the basement of a bungalow. Officials said they were able to extinguish the fire.
There are no reported injuries. Damage from the blaze is estimated at $70,000.
The incident is under investigation, said officials.