There are many real estate agents website which consists of information about different properties in a area. However it will be better idea to look for the website which provides the information about the properties in your area. There will be real estate listings in the real estate agent websites. It will be consisting of all the information about the property including features, price, contact information of seller etc. I found this site
http://housingintucson.com/, it provides information about properties in Tucson region.