At approximately 15:13hrs Engine 23 was dispatched to the smoke investigation in the area of 12100 block of Brighton. Even before getting off the apron WestCom then upgraded the assignment for a residential structure fire in the same area. Arriving less than 5-minutes later Engine 23 reported heavy smoke from a 1-story SFD with fire in the attached garage and initiated an offensive attack passing command to Battalion 21 with Ladder 2 assigned forcible entry, Truck 22 to the roof and Truck 21 as the search group. With heavy fire knocked in the garage, a good vertical vent and primary searches completed, the incident was placed under control awaiting investigators. Upon completion of assignments all units returned to service approximately 2-1/2 hours later. The cause of the fire is under investigation by the Fort Bend County Fire Marshal’s Office.