At 03:09 hrs Walkersville Volunteer Rescue Company (Co24) and Walkersville Volunteer Fire Company (Co11) were dispatched to the 10200 block of Allview Drive for an unknown odor inside the structure. ET114 arrived on scene side A single story house with nothing evident and established command and went into investigating mode. Soon after RE171 arrived on scene to meet up with ET114 crew to investigate. Q11 arrived on scene and took position on side A. A247 arrived and staged out of the way. After investigating it was determined it was good intent. Command was terminated and units went in service as ready.