It happened near 3000 South and 100 West in Bountiful Thursday night.
Firefighters tell us that the fire started in an attached garage, but quickly spread to the back of the home.
One of the people living in the home noticed the fire when he opened the door to the garage, and was able to get everyone living inside out safely.
Crews were able to quickly extinguish the fire once they arrived.
The cause of the blaze is still under investigation.