There is an area near the Hyde Park Country Club that had historically been Hyde Park. Several years ago, it was "relocated" to Oakley, by CAGIS. In fact, Hyde Park Country Club itself was relocated to Oakley! The residents protested to CAGIS, making a very strong case that the area was and is Hyde Park, and CAGIS acquiesced and put it back in Hyde Park. The MLS policy is to abide by CAGIS. So check CAGIS. Also, the County Auditor only reports neighborhoods; it does not define them.