| James Connolly Park, Clondalkin | €330,000 | 12 |
| James McCormack Gardens, Sutton | — | 10 |
| James Plunkett House, Grattan Crescent | — | 6 |
| James Street, Dublin 8 | €360,000 | 34 |
| James' Walk, Rialto | — | 8 |
| James'S St, Dublin 8 | — | 20 |
| James's Walk, Rialto | — | 11 |
| Jameson Court, The Glen | €643,172 | 7 |
| Jamess St North, North Strand | — | 7 |
| Jamess Walk, Rialto Dublin 8 | €340,000 | 8 |
| Jamestown Avenue, Inchicore | €426,500 | 42 |
| Jamestown Rd, Finglas East | — | 6 |
| Jamestown Rd, Hampton Wood | — | 7 |
| Jamestown Road, Finglas | €375,000 | 36 |
| Jamestown Road, Inchicore | €425,000 | 41 |
| Jervis Place, Abbey St Upper | €285,000 | 12 |
| Jervis Place, Abbey Street | — | 8 |
| Jervis Place, Dublin 1 | — | 10 |
| Jervis Place, Great Strand St | — | 5 |
| Jervis Place, Jervis St | €290,000 | 7 |
| Jervis Place, Upper Abbey Street | €270,000 | 10 |
| Jervis Street, Dublin 1 | €348,000 | 29 |
| John Dillon Street, Christchurch | — | 6 |
| John Dillon Street, Dublin 8 | €364,000 | 19 |
| John McCormack Avenue, Walkinstown | €425,000 | 37 |
| John St South, Pimlico | — | 8 |
| johnsbridge avenue, lucan | — | 7 |
| Johnsbridge Close, Lucan | — | 6 |
| Johnsbridge Grove, Lucan | — | 5 |
| Johnsbridge Park, Lucan | — | 6 |
| johnsbridge walk, lucan | — | 9 |
| Johnstown Ave, Dun Laoghaire | €641,000 | 9 |
| Johnstown Court, Cabinteely | — | 6 |
| Johnstown Court, Dun laoghaire | — | 8 |
| Johnstown Court, Johnstown Road | — | 6 |
| Johnstown Park, Cabinteely | — | 5 |
| Johnstown Park, Dun Laoghaire | — | 7 |
| Johnstown Rd, Dun Laoghaire | €574,450 | 17 |
| Johnstown Road, Cabinteely | — | 9 |
| Jordanstown, Oldtown | — | 9 |
| Joy St, Ringsend | — | 9 |
| Joyce Avenue, Foxrock | €950,000 | 10 |
| Joyce Hall, Collegefort | — | 6 |
| Joyce Road, Drumcondra | €485,000 | 22 |
| Joyce Road, Lusk Village | €347,000 | 10 |
| Juliet Sq, Palmerstown | — | 15 |
| Juliet Square, St Edmunds | €325,000 | 58 |
| The Jasper, The Grange | — | 8 |
| The Jessop, Charlotte Quay Dock | — | 8 |
| The Jetty, Kellys Bay | — | 5 |
| The Junction, Broadgauge Row | €322,931 | 5 |
| The Junction, Station Road | €325,115 | 138 |