The median home value in San Ysidro, CA is $579,500. The national median home value is $338,100. The average price of homes sold in San Ysidro, CA is $579,500. San Ysidro real estate listings include condos, townhomes, and single family homes for sale. Commercial properties are also available. If you see a property you’re interested in, contact a San Ysidro real estate agent to arrange a tour today!