So far I think there are 2: Pixar's Up (2009) and Sony's Monster House (2006)
Monster House - 2003 Outback House 2-13 was released on: USA: 2004
Monster House - 2003 Christmas House 2-4 was released on: USA: 22 December 2003
Monster House - 2003 Viking House 2-9 was released on: USA: 12 April 2004
Monster House - 2003 Tropical House 1-2 was released on: USA: 9 June 2003
Monster House - 2003 Under the Sea House 2-1 was released on: USA: 17 November 2003
Monster House - 2003 Surfer Girl House 2-14 was released on: USA: 14 June 2004
Cory in the House - 2007 Monster's Ball 2-3 was released on: USA: 8 December 2007
Monsters University
There doesn't appear to be any movie called Monster Republic 2 (or as was originally written, Monster Rebublic 2) that could be coming out.The only thing that seems to exist called Monster Republic is a line of children's clothes.
The duration of Our House - TV movie - is 2 hours.
It was released to theaters on November 2, 2001.