County Roscommon has the second highest number of derelict homes, per 10,000 dwellings.
The figures have been published as part of an RTÉ Investigates report into dereliction and how it is being managed.
Dereliction data is based on estimates using GeoDirectory data for the second quarter of 2025 and excludes commercial buildings.
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Dwelling counts are based on 2022 CSO Census housing stock data.
Rates are calculated per 10,000 dwellings and all figures are estimates.
Data shows there were 1209 derelict homes in Roscommon during that time, coming in at 363 per 10,000.
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674 derelict homes were recorded in Leitrim with 352 per 10,000.
While in Longford, there were 456 derelict homes and 232 per 10,000.
