| Terargus, Trentagh, Letterkenny | €46,500 | 2023-03-29 |
| Terhillion, Termon, Letterkenny | €245,000 | 2023-08-18 |
| Terlin, Creeslough, Letterkenny | €167,000 | 2016-06-10 |
| The Baha'i Centre, Oldtown, Letterkenny | €65,000 | 2017-05-05 |
| The Birches, Iona Road, Letterkenny | €180,000 | 2017-07-27 |
| The Boathouse, Maghergallan, Letterkenny | €45,000 | 2021-02-05 |
| The Brae, Rathmullan, Letterkenny | €230,000 | 2026-03-02 |
| The Bungalow, Ard O' Donnell, Letterkenny | €63,000 | 2013-10-02 |
| The Bungalow, Crievesmith, Letterkenny | €130,000 | 2026-06-08 |
| The Cottage Meenaclady, Meenlaragh, Letterkenny | €77,000 | 2022-07-07 |
| The Cottage, Loughnagin, Letterkenny | €155,000 | 2021-03-16 |
| The Diamond, Dungloe, Letterkenny | €135,000 | 2023-10-10 |
| The Glebe, Letterkenny, Co Donegal | €570,000 | 2026-04-15 |
| The Glebe, Letterkenny, Donegal | €523,370 | 2025-06-05 |
| The Glebe, Ramelton Rd, Letterkenny | €235,000 | 2024-10-18 |
| The Grove, Kilmacrennan, Letterkenny | €100,000 | 2026-06-02 |
| The Heights, Gortahork, Letterkenny | €140,000 | 2015-04-07 |
| The Knowe, Kerrykeel, Letterkenny | €240,000 | 2023-06-07 |
| The Lodge, Rossbracken, Letterkenny | €128,000 | 2023-12-06 |
| The Mall, Ramelton, Letterkenny | €80,000 | 2015-03-03 |
| The Maples, Lismonaghan, Letterkenny | €164,000 | 2010-05-28 |
| The Nook, Rosemount, Letterkenny | €385,000 | 2022-07-28 |
| The Old Boathouse, Bunbeg Harbour, Letterkenny | €350,000 | 2022-09-16 |
| The Pans, Cranford, Letterkenny | €40,000 | 2023-12-05 |
| The Ranches, Bohirril, Letterkenny | €193,833 | 2011-04-15 |
| The Regent, Rathdonnell, Letterkenny | €160,000 | 2024-01-12 |
| The Ross, Rossnakill, Letterkenny | €83,000 | 2023-05-26 |
| The Station House, Drumcavney, Letterkenny | €130,000 | 2024-06-28 |
| The Thorn Rd, Letterkenny, Donegal | €217,000 | 2019-08-27 |
| Thorr, Crolly, Letterkenny | €47,800 | 2024-09-06 |
| Tiragus, Trentagh, Letterkenny | €115,000 | 2015-02-25 |
| Tirargus Gartan, Letterkenny, Donegal | €155,000 | 2018-10-12 |
| Tirargus, Trentagh, Letterkenny | €141,000 | 2014-12-22 |
| Tirhillion, Termon, Letterkenny | €72,000 | 2025-02-24 |
| Tirhomin, Milford, Letterkenny | €100,000 | 2022-07-13 |
| Tirkillen, Termon, Letterkenny | €220,000 | 2011-09-26 |
| Tirlaughan, Carrigart, Letterkenny | €180,000 | 2014-11-17 |
| Toame Glen, Carrigart, Letterkenny | €104,000 | 2025-04-23 |
| Tonbane Glebe, Kindrum, Letterkenny | €147,000 | 2022-06-16 |
| Tooberkeen, Dungloe, Letterkenny | €70,000 | 2020-12-02 |
| Toragh Glenn, Carrigart, Letterkenny | €125,000 | 2021-09-01 |
| Tory Island, Letterkenny | €35,000 | 2011-10-12 |
| Trabeg, Downings, Letterkenny | €283,000 | 2025-10-31 |
| Treankeel, Breenagh, Letterkenny | €175,000 | 2018-06-15 |
| Trentabouy, Drumkeen, Letterkenny | €350,000 | 2017-05-09 |
| Trentaboy, Drumkeen, Letterkenny | €250,000 | 2016-04-08 |
| Trentagh Letterkenny, Letterkenny, Donegal | €60,000 | 2024-06-11 |
| Trentagh, Letterkenny, County Donegal | €275,000 | 2022-01-19 |
| Trentagh, Letterkenny, Donegal | €135,000 | 2018-02-20 |
| Trimagh, Letterkenny | €400,000 | 2022-11-11 |
| Trimeragh, Letterkenny | €55,000 | 2010-09-15 |
| Trimeragh, Letterkenny, Donegal | €220,000 | 2014-09-19 |
| Trimragh, Letterkenny | €404,802 | 2025-09-04 |
| Trimragh, Letterkenny, Co Donegal | €270,000 | 2020-02-14 |
| Trimragh, Letterkenny, Donegal | €126,000 | 2023-09-07 |
| Trostrey, Glencar Rd, Letterkenny | €150,000 | 2021-12-02 |
| Tullagh, Carrigart, Letterkenny | €30,490 | 2013-12-02 |
| Tullhoner, Breenagh, Letterkenny | €50,000 | 2017-03-24 |
| Tully Na Dall, Kindrum Po, Letterkenny | €105,000 | 2017-05-11 |
| Tullybeg, Ramelton, Letterkenny | €50,000 | 2018-12-12 |
| Tullygay, Letterkenny | €85,000 | 2018-10-25 |
| Tullygay, Letterkenny, Donegal | €398,000 | 2024-09-27 |
| Tullygay, Newmills, Letterkenny | €215,000 | 2018-04-12 |
| Tullyhonour, Breenagh, Letterkenny | €166,000 | 2012-09-11 |
| Tullyhullion, New Mills, Letterkenny | €70,000 | 2016-10-27 |
| Tullyillan, Burtonport, Letterkenny | €365,000 | 2022-03-02 |
| Tullyillion Burtonpart, Letterkenny, Donegal | €67,000 | 2019-11-11 |
| Tullyisland, Burtonport, Letterkenny | €75,000 | 2015-07-20 |
| Tyrladen, Glenvar, Letterkenny | €75,000 | 2015-02-13 |
| Umlagh Carrigart, Letterkenny, Co Donegal | €96,000 | 2014-12-16 |
| Umlagh, Carrigart, Letterkenny | €130,000 | 2023-08-14 |
| Unit 10, Hibernian Apts, Letterkenny | €45,000 | 2025-07-11 |
| Units 13-18 Ard Na Greine, Glencar Scotch, Letterkenny | €1,047,640 | 2023-12-06 |
| Units 14-23 Leitir Beag, Crievesmith, Letterkenny | €1,802,000 | 2019-07-16 |
| Upper Ardlands, Butonport, Letterkenny | €159,950 | 2021-11-30 |
| Upper Ballymacool, Letterkenny, Donegal | €177,500 | 2018-01-26 |
| Upper Baltoney, Gortahork, Letterkenny | €80,000 | 2022-09-01 |
| Upper Bomany, Letterkenny, Co Donegal | €140,000 | 2014-01-28 |
| Upper Carrick, Carrigart, Letterkenny | €115,000 | 2021-04-15 |
| Upper Cotteen, Derrybeg, Letterkenny | €139,000 | 2015-06-17 |
| Upper Dore, Bunbeg, Letterkenny | €630,000 | 2023-10-05 |
| Upper Faugher, Portnablagh, Letterkenny | €148,000 | 2020-11-11 |
| Upper Glebe, Ramelton Road, Letterkenny | €265,000 | 2026-03-05 |
| Upper Gortnabrade, Carrigart, Letterkenny | €75,000 | 2022-05-09 |
| Upper Killult, Falcarragh, Letterkenny | €295,000 | 2025-09-02 |
| Upper Meenlaragh, Gortahork, Letterkenny | €20,000 | 2015-03-11 |
| Upper Woodlands, Letterkenny, Donegal | €252,500 | 2013-12-20 |
| Uppercorkey, Letterkenny, Donegal | €100,000 | 2019-07-30 |
| Uppercruit, Kincasslagh, Letterkenny | €255,000 | 2018-02-12 |
| Veagh, Manorcunningham, Letterkenny | €115,000 | 2022-01-21 |
| Warden, Kerrykeel, Letterkenny | €280,000 | 2022-07-08 |
| Waters Edge, The Glebe, Letterkenny | €400,000 | 2022-07-29 |
| Well Bray, Falcarragh, Letterkenny | €250,000 | 2023-06-15 |
| Wellfield Cottage, Drumardagh, Letterkenny | €166,000 | 2024-04-26 |
| Westend, Tory Island, Letterkenny | €10,000 | 2016-08-30 |
| Whiteharte Bar, Rathmullan, Letterkenny | €642,500 | 2024-06-26 |
| Windermere House, Cornagill, Letterkenny | €410,000 | 2013-09-04 |
| Windy Hall, Letterkenny, Co. Donegal | €225,000 | 2020-08-21 |
| Windyhall, Letterkenny, Co Donegal | €105,000 | 2017-08-21 |
| Windyhall, Letterkenny, Donegal | €465,000 | 2026-04-10 |
| Wood Rd, Letterkenny, Donegal | €340,000 | 2019-05-29 |
| Wood Road, Carrygawley, Letterkenny | €180,000 | 2012-12-20 |
| Wood Road, Cullion Road, Letterkenny | €315,000 | 2016-04-21 |
| Woodland House, Lisnaneese, Letterkenny | €70,000 | 2019-01-04 |
| Woodlands, Letterkenny | €281,125 | 2017-01-24 |
| Woodlands, Letterkenny, Co Donegal | €170,000 | 2020-03-13 |
| Woodlands, Letterkenny, Donegal | €320,000 | 2024-01-17 |
| Woodlands, Ramelton Rd, Letterkenny | €165,000 | 2018-07-02 |
| Woodquarter, Cranford, Letterkenny | €110,000 | 2021-03-08 |
| Woodroad, Carreygawley, Letterkenny | €230,000 | 2014-08-25 |
| Woodvale House, Woodlands, Letterkenny | €113,000 | 2022-07-07 |
| Woodview House, Windyhall, Letterkenny | €150,000 | 2017-03-24 |
| Xanadau, Garryharry, Letterkenny | €100,000 | 2013-11-08 |