Slopeside Condos in Keystone are undergoing a huge remodel! The owners are investing over 3.4 million dollars into a new improvement to the building. Here is the slideshow that was presented to the home owners explaining the project! The building is under construction and closed during the summer of 2016 and our expected completion dates is December of 2016. Slopeside Condos Keystone Resort Colorado at Mountain House Base Area are going to look completely different and a much needed improvement is on the way. The location is still the best in Keystone, favored by the locals, and a real hidden gem in Keystone.