There has been no tax on residential property in Ireland for many years - but 2012 has seen the introduction of a Household Charge. This is a €100 euro a year tax on homes - which is just a temporary measure whilst a full property tax system is worked out and implemented.
Read more about the Household Charge in Ireland here.
The Household Charge is a self registration system - in fact one of the reasons for the introduction of the new charge - is to help the government put together a database of home owners in Ireland.