This chart represents all the sales in Naniwa Gardens in the past 3 years.  We can see that most sales have closed in October (4).  If we assume a 45 to 60 day closing, on average, we could say that the best time to list a property in Plaza Hawaii Kai, would be August.

For Buyers, the slow months are March, November & December.  Therefore, the best times to buy January, September and October.