Apartment hunting doesn't have to be stressful. Make it easy with a visit to Sun Valley Apartments in Fitchburg, WI. Our affordable 1, 2 & 3 bedroom apartments are designed for ease and comfort. Your new home is waiting for you at Sun Valley Apartments. Our apartments in North Fitchburg offer you convenient access to everything that makes this area such a great place to live. Our affordable apartments are close to UW Hospital, as well a number of other local attractions.