The new year's eve party will be held at the Addison Conference and Theatre Centre. It is the largest and coolest event center in Addison.
Check out their website http://addisontexas.net/index.php?section=addison-conference-theatre-centre
and their Facebook page https://www.facebook.com/AddisonConferenceCentre.
* Park for free in the parking lots around the building and on the street.