It's available, but by far the actual high quality (<1m) data used/publicly available was taken by aircraft, not satellite. This is usually a result of the dat

It's available, but by far the actual high quality (<1m) data used/publicly available was taken by aircraft, not satellite. This is usually a result of the data set already being paid for, either via the local assessor's office or the USDA. This doesn't mean it's always available for free, but that the economics means it's usually available for less than the actual cost.