| Tain Court, Bridge Street | €138,750 | 26 |
| Tallansfield Manor, Tallanstown | — | 8 |
| Tallonsfield Manor, Tallanstown | — | 6 |
| Tateetra, Newownbalregan | — | 5 |
| Templetown, Carlingford | — | 9 |
| Tenure, Dunleer | — | 6 |
| Termonriver, Baltray Road | — | 7 |
| The Towers, Point Road | €316,300 | 16 |
| Thomas St, Dundalk | €200,000 | 14 |
| Thomas Street, Drogheda | — | 12 |
| Thornecourt, Ardee | — | 9 |
| Tierney Ave, Tierney St | — | 5 |
| Tierney Street, Ardee | — | 15 |
| Tower View, Ardee | — | 5 |
| Tower View, Stoney Lane | — | 8 |
| Townley Manor, Tullyallen | €208,000 | 21 |
| Townparks, Ardee | — | 11 |
| Townrath, Drogheda | — | 5 |
| Trean, Dunleer | — | 5 |
| Tredagh View, Marleys Lane | — | 5 |
| Trinity Gardens, Drogheda | €255,000 | 30 |
| Trinity Street, Drogheda | €226,000 | 30 |
| tudor grove, mullaharlin road | — | 8 |
| Tullybrook Lane, Old Slane Rd | — | 5 |
| Tullybrook Place, Slane Road | — | 7 |
| Tullycahan, Louth Village | — | 7 |
| Tullydonnell, Togher | — | 5 |
| Tullykeel, Ardee | — | 6 |