A portable extraction surface cleaner has a base housing, an upright handle pivotally mounted to the base housing, a liquid dispensing system including a cleaning fluid supply tank for holding a supply of cleaning liquid and removably mounted in a well in the base housing, a liquid recovery system that includes a recovery tank, a suction nozzle, a working air conduit extending between the recovery chamber and the suction nozzle and a vacuum source to draw soiled liquid from the suction nozzle into the recovery tank. The vacuum source is mounted in an enclosed chamber juxtaposed to the well. A detergent supply tank is removably mounted in a second well in the base.