You can go a long time searching on-line for the Valencia CA realtors and real estate resources. Most of the time, you are going to be running into websites that are not operated or owned by the local Real Estate Experts for Valencia CA.
At least I'd hope they are selling your personal info to agents that are local -, but who's to know.
What we did, as we observed a need, we built systems that will give you access to everything that is Valencia CA real estate. In fact, we chose a brokerage that has Valencia in it's name. It made sense to both Paris and I back in the day when we entered the "real estate representation" business. That was 1998 for me and 1999 for Paris.
Of course, REMAX did not take any "new" agents that were not joining a seasoned team, back then. That is the same standing rule today - a newly licensed agent cannot work for Remax unless they are working for a "Seasoned and Established" REMAX of Valencia Realtor.
That sounded like a good fit for us... That is why we joined after earning our "Realtor Wings"...