Minutes after midnight, and during a cold front moving thru, Comm Center personnel were about to dispatch an automatic fire alarm when additional calls began being received for a fire in the 10100 block of Cash Rd. With the incident upgraded to a Box Alarm additional information from Stafford PD advised of the back portion of the building being on fire. With a column visible from a distance Engine 22 (T. Lawson) went on scene with heavy smoke and fire from a large 1-story warehouse. With access to the property limited to the B and D sides Engine 22 secured their own water supply and laid into the D side charging the sprinkler system and working around to the rear of the building. Engine 23 (Jordan) arriving on the B side established their own water supply laying 700′ of 5″ thru a neighboring property to hit the visible fire on the B side of the structure. Upon arrival of Battalion 31 (Scott) and Safety 21 (Magana) Division B and Division D were established with the box and 2nd alarm companies assigned. With the bulk of the fire found to be involving an addition to the building crews forced entry into the main building finding fire extension from the floor to the roof on the B side. Using multiple crews rotating all visible fire was knocked down and overhaul initiated. During the incident Engine 22, Tower 22 (Ortega), Truck 21 (Merchant), Engine 23, Ladder 32, Battalion 31, Engine 2, Engine 3, Engine 82, Engine 41 and Engine 62 operated along with Cascade 71 and FBCEMS Battalion 2 and Medic 10. Upon completion of overhaul all units returned to service at approximately 04:15hrs. The cause of the fire is under investigation by the Stafford Fire Marshal’s Office.