They're the same location: 4192 County Road 17. When I tried to get a map from mapquest, I think I first tried Windsor, to no avail, then Maidstone, which worked. Maidstone is just outside Windsor, thus the two locations. Probably just a mistake, or the city limits have changed.
"Question with boldness even the existence of a God; because, if there be one, he must more approve of the homage of reason than that of blindfolded fear." - Thomas Jefferson