Hey for everyone in N. Calif I found a great guy who will build you whatever type of shelter you need for your tort's. He custom built me a couple of outdoor houses for my tort's. They are so well made the pictures dont do them justice. Here is the link below I also included his webpage.
http://photobucket.com/janetstorthouses
http://custombuiltshelters.com/coops.html
http://photobucket.com/janetstorthouses
http://custombuiltshelters.com/coops.html