You can try http://dailytimes.com/classifieds.lasso, that is the link for the local newspaper classified section, there are rental properties listed there, homes for lease, apartments, etc. You can also ask an agent to set up a search for you on the MLS.
Are you looking for rental property in Kerrville to buy? or to rent? check out our website http://www.reretx.com for both. We have some great investment properties right now. Call me if you don't find what you like. I may have some others. Thanks :)