When the Valley's housing market was in deep trouble and full of foreclosures and short sales, investors were heavily involved in taking advantage of the depressed prices.
Many of them were Canadians who enjoyed spending time in the warm sun for a few months of the year.
But indications are that Canadians are not feeling as much affection for Valley real estate now.
To figure out why, we talked with realtor Diane Brennan of Berkshire Hathaway Home Services.