Price for simple home in California?

Hello, I'm European and I guess I don't understand zillow and redfin. The average price of a house in California is about 800k, so is there something wrong with the houses below (link) or is it just not the full amount on the basis of some down payment?

https://www.zillow.com/homedetails/20100-Northcliff-Dr-Santa-Clarita-CA-91351/136710358_zpid/

https://www.zillow.com/homedetails/10924-Hess-Blvd-Morongo-Valley-CA-92256/17488881_zpid/?utm_campaign=iosappmessage&utm_medium=referral&utm_source=txtshare