70 units were dispatched to assist Millville with a house fire in the 10 block of Columbia Ave. in the Cottages development. 708 arrived and advised fire on the 2nd floor of a 2 story single family. Engine 842 and Tower/ladder 70 arrived and completed primary searches and fire suppression. Suppression was quick and searches were negative. Units remained on scene for overhaul. The building was occupied.