Headline in today's Newsday "North Hempstead may ease New Cassel code restricting basements":
http://www.newsday.com/long-island/nassau/north-hempstead-considering-possible-housing-code-changes-for-new-cassel-1.10637592
But this appears to be not an "OK" for basement apartments but a permission to expand basements for the owner's exclusive use only.
http://www.newsday.com/long-island/nassau/north-hempstead-considering-possible-housing-code-changes-for-new-cassel-1.10637592
But this appears to be not an "OK" for basement apartments but a permission to expand basements for the owner's exclusive use only.