If you are looking for residential real estate listings, real estate agents, or a specific real estate agency, the best bet from a buyer's perspective is an EBA, or Exclusive Buyer Agent. They will help you search for Silicon Valley real estate in a variety of ways, not just from the multiple listing service. They never list real estate for sale on mls because they are in the business of providing dedicated loyalty and confidentiality to you, the consumer. It makes no difference whether you are experienced or a first time home buyer, Exclusive Buyer Agents will tell you where the best real estate sales can be found, and they will help you buy a property at the best possible price.
