I rode up and down several streets looking for the Troy Grove Township Hall, but with no success. This fire department seemed like a possibility; it's not clear whether it's a village fire department or a township one, but all kinds of cooperative arrangements between township and village are possible for such services. But there was no sign of it being a township building. One thing I never did was check the other side of this building to see if there was a township office entrance there.
IllinoisLaSalle CoTroy Grove Twp