The Habit Burger Grill is an American fast casual restaurant chain that specializes in charbroiled hamburgers. The company also purveys other typical fast-casual fare. Its headquarters are in Irvine, California. From 1969 to 2007, the chain slowly expanded around the Los Angeles metropolitan area to 23 restaurants.
In 2007, a private equity firm, KarpReilly, purchased a majority stake in the company, and the chain rapidly expanded. In 2014, it had 109 locations either open for business or under construction. The company is one of the fastest-growing fast food chains in the United States, with a 40% sales increase from 2012 to 2013. As of November 2017, the company also has a fleet of nine food trucks.