The annual rate of decline in property prices accelerated last month, according to the Central Statistics Office.
The CSO said residential property prices fell by 15.6% in the year to the end of November.
That compares with a 15.1% drop in the twelve months to the end of October.
Prices fell 1.5% in the month of November alone.
The figures also show house prices in Dublin are 52% lower, and apartments are 58% lower than their peak levels in February 2007.
Across the rest of the country, residential property prices are down 42%.