It will be torn down for high end high density housing owned by the likes of kilroy and owner occupied housing. The land is too valuable to remain as is.
What impact that does to housing there. Don’t know.
It would also impact Porsche CCA, BMW CCA, NASA CCA, since they would all need to find new places. Perhaps an airport base or Miramar? Can’t run them at the DelMarFairgrounds unless the event wants to pay the neighbors for relocation room and board during the event days as normally is the case…