These homes are from the zip codes 70448, and 70471. If you are looking to buy or sell a home in Mandeville, LA. these are the best most recent comparable sales, which you should use to price your home. In reality you should look back no further than 6 months, and only in the cases of "special" properties.
The last 3 to 6 months of home sales in your area, Mandeville in this case, allows you to stay in touch with the statistics of your home's value. Make a plan. Watch the market. It can and will directly affect your pocket book.
Feel Free to Dig a Little Deeper. Knowledge is Power.