Browse the top real estate properties in West Cajon Valley, California with Property Profile Report. The average listing price of homes in West Cajon Valley is $609,576, where the economy and housing-markets are flourishing! Get started by selecting a Zip code above. The most popular zip codes in West Cajon Valley, CA are: 92407, 92371, 92397, 92358 with a median listing price of $609,576.