Ah… Silly me. This subdomain is a third party real estate search engine that we can’t control. Thanks for the help.
http://totalatlantarealty.com/neighborhoods/active-adult-communities/
jQuery DataTables working correctly now since unchecking ‘View people’s profiles when you mouse over their Gravatars’ under Settings > Discussion
jQuery is indeed enqueued properly via functions.php
No duplicate version in source.
Hope this work around helps others.
Unchecking ‘View people’s profiles when you mouse over their Gravatars’ under Settings > Discussion does the trick.