At 0852 hrs. the communications center alerted Stations 28 & 32, Engine/Ladder 18, Engine 3, 6, &12, and Rescue 20 for a residential fire in Midvale. Upon arrival of 32-5 a 2 story residential with fire in the wall on the C side of the structure. With the condition added ALS/BLS and an additional ladder from Station 12 and Engine from Station 22. Rescue 20 went arrival taking the 2nd due assignment under the command of Bob Maxwell (208-C), Rob Snyder (Driver/208-B), and Firefighters William Wipf and Fransisco Torres. Rescue 20's crew went in to check the basement for extension and to secure utilities. A small fire ignited in the wall on the C side of the structure and an investigation is underway to determine the cause. Command placed the incident under control at 0916 hrs. Rescue cleared the scene at 0948 hrs.