Residential property prices increased by 0.9% nationally in the year to October, the slowest pace in six years.
This compares with an increase of 1% in the year to September and an increase of 8.3% the same time last year.
Residential property prices have stabilised over the last year having shot up for five years following a severe crash just over a decade ago.
The CSO figures show that Dublin residential property prices decreased by 1.5% in the year to October - their third fall in a row. Dublin house prices fell by 1.9% and apartments increased by 0.1%.
The CSO noted that the highest house price growth in Dublin was in Fingal at 0.9%, while Dun Laoghaire-Rathdown saw a decline of 7.1%.
Meanwhile, residential property prices around the rest of the country moved 3.3% higher in the year to October, with house prices up by 3.3% and apartments by 4%.
According to the figures, the region outside of Dublin with the largest rise in house prices was the Border at 10.1%, while at the other end of the scale the Mid-East saw no change.
The CSO said that property prices nationally have increased by 85.3% from their trough in early 2013.
Dublin residential property prices have risen 94.9% from their February 2012 low, while home prices in the rest of Ireland are 83.8% higher than their lows reached in May 2013.
Today's figures show that consumers paid a median price of €256,000 for a home on the residential property market in the 12 months to October.
The Dublin region had the highest median price of €368,000 in the year to October.
Within the Dublin region, Dún Laoghaire-Rathdown had the highest median price at €525,000, while South Dublin had the lowest at €342,000.
Meanwhile, the highest median prices outside Dublin were in Wicklow with prices of €325,000 and Kildare at €305,000, while the lowest price was €107,500 in Leitrim.
The ten most expensive Eircodes for property were all in Dublin. Blackrock topped the list with a median price of €600,000.
Outside of Dublin, Greystones in Co. Wicklow, had the highest median price of €427,499.
The least expensive Eircode was Clones in Co Monaghan with a median price of €75,000.
Today's CSO figures also show that the volume of transactions rose by 7.1% in October.
First time buyers now make up 31.5% of purchases and the number of first time buyer purchases in October was up 11.1% on a year ago.
