The owners know it's on the property, just respect the place. It is located at 2160 Orange St. not any other house.
To figure out the lock, the combination is based on the numbers of birds per side. The number of birds on one side is related to one number on the lock. The trick with the lock is to pinch the two ends to unlock it. Be careful the door can be sticky and the lock is a little different from most locks so take your time opening this cache.
Feel free to leave travel bugs or to trade items, the owner will upkeep the items and move any travel bugs stick in here too long.