At 21:47hrs Engine 22 was dispatched to the reported small outside fire in the 12900 block of Sugar Ridge Blvd. As they were leaving the apron Comm Center advised the incident was being boxed as it was now reported to be a structure fire with multiple callers. Arriving less than 4-minutes later Battalion 21 advised of fire showing from an L-shaped row of garages and assigned Engine 22 as fire attack. Upon arrival of Truck 21 forcible entry of multiple garage doors began while Truck 23 and Ladder 2 opened up the finished ceilings to expose extension in the attic space. Upon knockdown of the fire the incident was placed under control. Following completion of assignments, and assisting the Investigator, all units returned to service.