Reports indicate that K Maharaj and sons vehicle and auto parts was gutted by fire around 2am.
Owner of the business Dean Maharaj said he was awoken by a loud explosion.
Upon investigation he discovered the front of the building on fire.
Mr. Maharaj said he quickly assisted his wife and eight year old daughter to the back of the building where they made their escape.
The family is said to have suffered minor injuries and was treated for smoke inhalation.
Losses have been estimated at $12m.
The cause of the fire is yet to be determined.