| Tara Grove, Monivea Road | — | 19 |
| Tara Grove, Wellpark | €483,500 | 24 |
| Tarmon, Gort | — | 7 |
| Tawnagh West, Kinvara | — | 11 |
| Taylors Court, Rosary Lane | — | 19 |
| Tearmann Eala, Ballyloughane Rd | — | 7 |
| Temple Jarlath Court, High Street | €131,000 | 23 |
| Thornberry, Barna | €370,000 | 29 |
| Thornberry, Truskey West | — | 5 |
| Threadneedle Court, Threadneedle Rd | — | 10 |
| Threadneedle Road, Salthill | €870,000 | 32 |
| Ti Na Ri, Loughrea | €335,000 | 16 |
| Ti Neill, Gleann na Ri | — | 6 |
| Tir an Choir, Tuam | — | 7 |
| Tir an Choir, Vicarschorland | — | 6 |
| Tir an Choir, Vicorschorland | — | 11 |
| Tir na gCapall, Ballybrit | — | 27 |
| Tir Na Gcapall, Old Monivea Rd | €215,000 | 22 |
| Tirellan Heights, Headford Road | €322,000 | 121 |
| Tobair Orain, Oranhill | €427,092 | 6 |
| Tobar Orain, Oranhill | €413,215 | 44 |
| Tobar Sheamais, Letteragh Road | €418,502 | 69 |
| Tom Barry House, Clifden | — | 5 |
| Tone Avenue, Mervue | — | 12 |
| Tonegurrane, Corrandulla | — | 7 |
| Tonn Na Mara, Dock Rd | — | 5 |
| Tonroe, Ardrahan | — | 10 |
| Tonroe, Oranmore | — | 8 |
| Tor Bui, Cappagh Road | — | 11 |
| Tor Building, Cappagh Rd | — | 6 |
| Towns Park, Sli Na Mbhann | — | 17 |
| Trabane, Lettermore | — | 6 |
| Trinity Court, Tuam | — | 6 |
| Truska, Ballyconneely | — | 5 |
| Truskey West, Barna | — | 8 |
| Trusky West, Barna | — | 7 |
| Tuairin, Coast Road | €334,361 | 7 |
| Tuairin, Roscam | €334,361 | 53 |
| tubber road, gort | — | 5 |
| Tubberjarlath Road, Tuam | — | 14 |
| Tudor Lawn, Newcastle | €432,000 | 29 |
| Tudor Vale, Oranmore | — | 20 |
| Tulach Na Corraige, Tullahill | — | 5 |
| Tullinadaly Hill, Tuam | — | 9 |
| Tullinadaly Road, Tuam | €199,355 | 14 |
| Tumnahulla, Corrandulla | — | 8 |
| Tur An Tsaile, Louth Atalia | — | 9 |
| Tur Uisce, Doughiska | €266,500 | 85 |
| Tur Uisce, Merlin Park | — | 5 |
| Turoe, Bullaun | — | 5 |
| Tyrone, Kilcolgan | — | 6 |
| Tysaxon, Athenry | — | 5 |