Logan Utah Realtor, Robert J. Brown, explains what the M.L.S. is. (Multiple Listing Service) The M.L.S. is one of the best resources to have when selling your Logan Utah real estate with a real estate agent. It is also a great tool when you are looking to buy a home in Cache Valley. Only real estate agents have access to the M.L.S. but you can go to LoganUtahRealtor.com and search all homes for sale in Utah there. If you have any questions email [email protected].