| 'fairview', Carnamuggagh, Letterkenny | €305,000 | 2023-03-28 |
| 'lennon Cottage', Glencar Road, Letterkenny | €88,000 | 2013-11-27 |
| 1 An Garran, Letterkenny | €225,000 | 2015-11-05 |
| 1 An Gharran, Glencar, Letterkenny | €70,000 | 2018-12-20 |
| 1 And 2 Druminaught, Letterkenny | €128,000 | 2016-09-19 |
| 1 Ard Colmcille, Letterkenny, Donegal | €100,000 | 2021-01-12 |
| 1 Ard Na Gaoithe, Carnamuggagh, Letterkenny | €42,500 | 2015-07-27 |
| 1 Ballymacool, Letterkenny | €53,000 | 2014-07-15 |
| 1 Ballyraine Halls, Letterkenny, Donegal | €53,385 | 2015-03-20 |
| 1 Beinn Aoibhinn, Gortlee, Letterkenny | €110,000 | 2021-07-23 |
| 1 Bonagee, Letterkenny, Co Donegal | €265,000 | 2020-03-10 |
| 1 Bracken Lea, Letterkenny, Donegal | €260,000 | 2023-09-27 |
| 1 Cashelreagh, New Mills, Letterkenny | €220,000 | 2010-02-04 |
| 1 Ceannain Court, Gortlee, Letterkenny | €130,000 | 2016-02-18 |
| 1 Celtic Apts, Pearse Road, Letterkenny | €46,429 | 2026-04-20 |
| 1 Church Lane, Letterkenny, Co Donegal | €150,000 | 2026-05-13 |
| 1 Churchlands, Manorcunningham, Letterkenny | €81,000 | 2022-07-27 |
| 1 Cill Greinne, Lismonaghan, Letterkenny | €120,000 | 2020-06-12 |
| 1 Cluain Airne, The Glebe, Letterkenny | €290,000 | 2015-05-08 |
| 1 College Farm Rd, Letterkenny, Donegal | €170,000 | 2021-09-14 |
| 1 Coolboy Little, Letterkenny | €378,700 | 2022-02-23 |
| 1 Court Appartments, Main St, Letterkenny | €975,000 | 2024-12-18 |
| 1 Crieve Mor Avenue, Crievesmith, Letterkenny | €226,687 | 2020-09-02 |
| 1 Culbraccan, Gortlee, Letterkenny | €115,000 | 2024-05-20 |
| 1 Culdoire, Gortlee, Letterkenny | €125,000 | 2017-04-07 |
| 1 Currindale, Termon, Letterkenny | €89,000 | 2018-01-05 |
| 1 Drumgreggan, Lower Dromore, Letterkenny | €310,000 | 2019-03-28 |
| 1 Druminaught, Newmills, Letterkenny | €230,000 | 2020-04-28 |
| 1 Elmwood Downs, Letterkenny, Donegal | €117,000 | 2016-12-16 |
| 1 Errarooey, Falcarragh, Letterkenny | €150,000 | 2018-04-23 |
| 1 Errigal View, Letterkenny, Donegal | €255,000 | 2026-04-09 |
| 1 Fabis, High Road, Letterkenny | €50,000 | 2026-05-14 |
| 1 Factory Rd, Derrybeg, Letterkenny | €85,000 | 2020-10-29 |
| 1 Fairgreen Park, Long Lane, Letterkenny | €88,000 | 2020-07-28 |
| 1 Father Mcloone Terrace, Oldtown Rd, Letterkenny | €240,000 | 2026-01-09 |
| 1 Forte Apartments, Letterkenny Forte Retail Park, Letterkenny | €23,125 | 2014-07-07 |
| 1 Foxhills, Mountaintop, Letterkenny | €270,000 | 2024-02-09 |
| 1 Garden Court, 44-46 Lower Main Street, Letterkenny | €45,000 | 2016-02-26 |
| 1 Garden Court, Lower Main St, Letterkenny | €85,000 | 2021-09-27 |
| 1 Gleann Glas, Lismonaghan, Letterkenny | €289,867 | 2024-07-24 |
| 1 Glendale Manor, Letterkenny, Co Donegal | €85,000 | 2016-12-22 |
| 1 Glenlee Court, Ballymacool, Letterkenny | €100,000 | 2016-11-30 |
| 1 Glentain Manor, Carnamuggagh, Letterkenny | €55,000 | 2018-06-26 |
| 1 Gortnacorrib, Letterkenny, Co. Donegal | €484,582 | 2024-09-19 |
| 1 Greenhills, Manorcunningham, Letterkenny | €92,500 | 2016-07-29 |
| 1 Hazelbrook Crescent, Long Lane, Letterkenny | €85,000 | 2016-07-08 |
| 1 Hibernian Apartments, Lower Main Street, Letterkenny | €45,000 | 2025-07-11 |
| 1 Highbury Apts, High Rd, Letterkenny | €70,000 | 2020-12-22 |
| 1 Highfield House, Ramelton Road, Letterkenny | €77,000 | 2022-07-19 |
| 1 Highfield Place, Letterkenny, Donegal | €170,000 | 2021-12-16 |
| 1 Killylastin Heights, Killylastin, Letterkenny | €178,000 | 2023-07-27 |
| 1 Lackagh, Creeslough, Letterkenny | €195,000 | 2019-08-23 |
| 1 Leck View Terrace, Speers Lane, Letterkenny | €71,000 | 2016-05-19 |
| 1 Legnahoorey, Kilmacrennan, Letterkenny | €286,344 | 2020-10-29 |
| 1 Lios An Chnoic, Carnamuggagh Upper, Letterkenny | €312,533 | 2025-07-23 |
| 1 Lui Na Greine, Letterkenny, Co. Donegal | €46,650 | 2017-05-29 |
| 1 Main St, Letterkenny, Donegal | €65,000 | 2022-05-03 |
| 1 Main Street, Rathmullan, Letterkenny | €190,000 | 2020-12-22 |
| 1 Manor View Park, Letterkenny, Co. Donegal | €215,000 | 2026-04-08 |
| 1 Mcclures Terrace, Letterkenny, Donegal | €150,000 | 2025-05-15 |
| 1 Mcmahon Villas, Letterkenny | €70,000 | 2013-10-16 |
| 1 Meenacrieve, Annagry, Letterkenny | €91,000 | 2020-06-26 |
| 1 Milltown Court, Kilmacrennan, Letterkenny | €55,000 | 2018-06-26 |
| 1 Mountpleasant, Letterkenny, Co.donegal | €121,000 | 2015-04-01 |
| 1 New Brook Court, Letterkenny | €140,000 | 2010-07-23 |
| 1 New Line Rd, Letterkenny, Donegal | €185,000 | 2024-08-07 |
| 1 Oakgrove, Woodlands, Letterkenny | €308,370 | 2010-08-27 |
| 1 Oaklands Park, Gortlee, Letterkenny | €170,000 | 2021-07-21 |
| 1 Oakwood Park, Lismonaghan, Letterkenny | €133,000 | 2016-01-14 |
| 1 Orchard Court, High Rd, Letterkenny | €300,000 | 2018-06-07 |
| 1 Parkview Dr, Letterkenny, Donegal | €195,000 | 2014-05-20 |
| 1 Parkview Drive, Letterkenny, Donegal | €300,000 | 2026-07-24 |
| 1 Raan Mhor, Crievesmith, Letterkenny | €169,000 | 2022-09-08 |
| 1 Race End, Coolboy, Letterkenny | €242,000 | 2018-11-14 |
| 1 Racecourse, Kilmacrennan, Letterkenny | €125,000 | 2017-04-27 |
| 1 Railway Court, Pearse Rd, Letterkenny | €76,000 | 2018-05-30 |
| 1 Rann Mor Close, Crievesmith, Letterkenny | €285,000 | 2026-09-07 |
| 1 Rann Mor Meadow, Crievesmith, Letterkenny | €310,000 | 2025-08-01 |
| 1 River View, High Rd, Letterkenny | €250,000 | 2025-04-16 |
| 1 Rock Rd, Portnablagh, Letterkenny | €250,000 | 2024-12-09 |
| 1 Solomons Court, Glencar, Letterkenny | €108,000 | 2015-07-22 |
| 1 Solomons Hill, Letterkenny, Donegal | €115,000 | 2021-06-25 |
| 1 Stoney Court, Letterkenny, Co Donegal | €115,000 | 2014-12-12 |
| 1 Stranacorcragh, Derrybeg, Letterkenny | €126,000 | 2020-10-27 |
| 1 Swilly Park, Letterkenny, Donegal | €250,000 | 2021-05-11 |
| 1 The Croft, Glencar Scotch, Letterkenny | €220,000 | 2018-07-30 |
| 1 The Elms, Letterkenny, Donegal | €189,000 | 2019-10-16 |
| 1 The Fairways, Glebe, Letterkenny | €352,500 | 2023-05-25 |
| 1 The Forest, Ballymacool, Letterkenny | €182,500 | 2025-09-12 |
| 1 The Garden, Ballymacool, Letterkenny | €48,600 | 2014-06-20 |
| 1 The Old Church, Golf Course Rd, Letterkenny | €80,000 | 2016-06-14 |
| 1 Tir Laughan, Carrigart, Letterkenny | €126,000 | 2015-07-03 |
| 1 Tirloughan, Carraigart, Letterkenny | €111,400 | 2014-07-15 |
| 1 Umlagh, Carrigart, Letterkenny | €250,000 | 2022-09-06 |
| 1 Whitethorn Close, Letterkenny | €135,000 | 2010-05-07 |
| 1 Whitethorn Park, Letterkenny | €195,000 | 2010-04-29 |
| 1 Wood Park, Lismonaghan, Letterkenny | €135,000 | 2023-09-25 |
| 1 Woodland Grove, Woodlands, Letterkenny | €255,500 | 2012-08-02 |
| 1-12 (inclusive), Ard Na Greine, Letterkenny | €2,688,106 | 2023-09-29 |
| 1-12 Droim Na Gaoithe, Windyhall, Letterkenny | €4,680,632 | 2026-09-09 |
| 1-2 The Burn, Sprackburn, Letterkenny | €70,000 | 2015-05-29 |
| 1-8 Court Appartments, Main St, Letterkenny | €325,000 | 2015-07-08 |
| 10 A Oran Hill, Carnamuggagh Upper, Letterkenny | €195,000 | 2022-01-24 |
| 10 Academy Court, Letterkenny | €44,500 | 2015-06-05 |
| 10 Amalfi Court, Letterkenny | €380,000 | 2026-08-25 |
| 10 An Chloch Ard, Killyclug, Letterkenny | €313,722 | 2026-02-13 |
| 10 Ard Colm Cille, Letterkenny, Donegal | €150,000 | 2021-07-02 |
| 10 Ard Ghlass, Long Lane, Letterkenny | €110,000 | 2020-12-21 |
| 10 Ard Na Gaoithe, Letterkenny | €80,000 | 2017-03-28 |
| 10 Ballymacool Terrace, Letterkenny, Co Donegal | €34,000 | 2014-12-23 |
| 10 Ballyraine Halls, Letterkenny, Donegal | €50,511 | 2015-03-20 |
| 10 Burnside Park, Letterkenny, Donegal | €91,000 | 2024-06-10 |
| 10 Caiseal Ban, Letterkenny, Co Donegal | €151,000 | 2014-02-21 |
| 10 Carraig Craobh, Crievesmith, Letterkenny | €74,000 | 2017-03-20 |
| 10 Church St, Letterkenny, Donegal | €82,000 | 2014-01-30 |
| 10 Church Town, Termon, Letterkenny | €122,500 | 2026-09-08 |
| 10 Cill Greine, Letterkenny, Co Donegal | €75,000 | 2015-10-22 |
| 10 Cluain Airne, Glebe, Letterkenny | €320,000 | 2024-05-03 |
| 10 College Park, Letterkenny, Donegal | €277,000 | 2023-12-18 |
| 10 Court Manor House, Justice Walsh Rd, Letterkenny | €85,000 | 2022-02-15 |
| 10 Crieve Mor Avenue, Crievesmith, Letterkenny | €181,057 | 2020-10-21 |
| 10 Crievesmith Park, Letterkenny, Co Donegal | €138,389 | 2019-12-10 |
| 10 Droim Ard Avenue, Ramelton Road, Letterkenny | €320,000 | 2011-11-30 |
| 10 Duffy S Lane, Rosemount, Letterkenny | €100,000 | 2021-03-11 |
| 10 Dungarron, Gortlee, Letterkenny | €261,000 | 2025-02-28 |
| 10 Errigal View, Letterkenny, Donegal | €222,000 | 2022-05-27 |
| 10 Father Arnold Terrace, Manorcunningham, Letterkenny | €75,000 | 2019-03-01 |
| 10 Fernhill, Glencar, Letterkenny | €83,000 | 2019-05-02 |
| 10 Forte Apartments, Letterkenny Forte Retail Park, Letterkenny | €23,125 | 2014-07-07 |
| 10 Garden Court, Lower Main St, Letterkenny | €90,000 | 2025-12-15 |
| 10 Gleann Glas, Lismonaghan, Letterkenny | €377,000 | 2025-12-09 |
| 10 Glenard Park, Longlane, Letterkenny | €90,500 | 2020-10-14 |
| 10 Glendale Drive, Letterkenny | €99,500 | 2010-09-30 |
| 10 Glenoughty Close, Glencar, Letterkenny | €134,000 | 2018-03-27 |
| 10 Glenveagh Court, Letterkenny | €60,000 | 2013-03-14 |
| 10 Gort Na Greine, Carnamuggagh, Letterkenny | €90,000 | 2017-10-31 |
| 10 Harmony Hill, Kiltoy, Letterkenny | €150,000 | 2025-08-18 |
| 10 High Road, Letterkenny | €150,000 | 2022-06-10 |
| 10 Hillview Grove, Lismonaghan, Letterkenny | €125,000 | 2014-12-22 |
| 10 Iona Rd, Letterkenny, Donegal | €140,000 | 2020-12-22 |
| 10 Killylastin Heights, Letterkenny, Donegal | €155,000 | 2018-07-17 |
| 10 Letterkenny Town Centre, Pearse Rd/justice Walsh Rd, Letterkenny | €115,000 | 2020-04-29 |
| 10 Lios An Chnoic, Carnamuggagh Upper, Letterkenny | €312,086 | 2026-06-24 |
| 10 Meadowbank Park, Letterkenny, Co Donegal | €125,000 | 2021-07-26 |
| 10 Meadowbank, Letterkenny, Co Donegal | €37,000 | 2014-06-19 |
| 10 Mountain View, Letterkenny, County Donegal | €170,000 | 2022-08-12 |
| 10 Muckish Ave, Letterkenny, Donegal | €72,000 | 2014-12-23 |
| 10 Parkview Dr, Gortlee, Letterkenny | €92,500 | 2015-01-09 |
| 10 Plunkett Oboyle Terrace, Letterkenny, Donegal | €75,000 | 2021-03-09 |
| 10 Racecourse, Kilmacrennan, Letterkenny | €150,000 | 2020-04-17 |
| 10 Railway Court Apts, Pearse Rd, Letterkenny | €101,000 | 2025-05-27 |
| 10 Rann Mor Meadow, Crievesmith, Letterkenny | €124,500 | 2014-11-10 |
| 10 Rann Mor Walk, Crievesmith, Letterkenny | €208,000 | 2022-09-14 |
| 10 Rosemount Terrace, Letterkenny, Donegal | €75,000 | 2017-04-11 |
| 10 Solomon's Court, Glencar, Letterkenny | €127,000 | 2011-11-30 |
| 10 Sprackburn Dr, Letterkenny, Donegal | €128,000 | 2019-02-07 |
| 10 St. Eunans Court, Letterkenny, Co. Donegal | €230,000 | 2024-03-08 |
| 10 Sylvan Park, Letterkenny, Donegal | €217,000 | 2023-11-02 |
| 10 The Fairways, Letterkenny, Donegal | €183,000 | 2014-11-17 |
| 10 The Forest, Ballymacool, Letterkenny | €185,000 | 2025-02-17 |
| 10 The Pines Church Hill, Letterkenny, Donegal | €147,500 | 2019-03-22 |
| 10 Westside Apt, Letterkenny, Donegal | €71,500 | 2022-05-06 |
| 10 Whitethorn Grove, Letterkenny | €83,000 | 2012-11-28 |
| 10 Woodlands Park, Woodlands, Letterkenny | €150,000 | 2024-12-11 |
| 100 Ardan Rua, Letterkenny, Donegal | €255,000 | 2026-07-23 |
| 100 Ashfield, Letterkenny, Donegal | €125,000 | 2020-10-15 |
| 100 Foxhills, Letterkenny, Donegal | €138,000 | 2020-04-28 |
| 100 Glenwood Park, Letterkenny, Donegal | €115,000 | 2022-04-22 |
| 100 Meadowbank Park, Letterkenny, Donegal | €155,000 | 2026-04-24 |
| 100 The Gardens, Ballymacool Wood, Letterkenny | €56,000 | 2014-06-06 |
| 100 The Grange, Letterkenny, Donegal | €170,000 | 2020-11-11 |
| 101 Meadowbank Park, Letterkenny, Co Donegal | €180,000 | 2024-09-20 |
| 101 The Grange, Letterkenny, Co Donegal | €139,000 | 2016-06-17 |
| 101 The Green, Thornberry, Letterkenny | €39,000 | 2012-03-23 |
| 101A The Green, Thornberry, Letterkenny | €120,000 | 2022-12-22 |
| 102 Ballymacool Wood, Letterkenny, Donegal | €192,000 | 2023-07-27 |
| 102 Ballymacool Woods, Letterkenny | €61,000 | 2014-12-16 |
| 102 Block A The Green, Thornberry, Letterkenny | €126,000 | 2021-07-19 |
| 102 Crieve Mor Avenue, Crievesmith, Letterkenny | €325,550 | 2025-12-04 |
| 102 Foxhills, Letterkenny, Donegal | €110,000 | 2016-09-02 |
| 102 Meadowbank Park, Letterkenny, Co Donegal | €117,000 | 2022-06-16 |
| 102 The Green, Thornberry, Letterkenny | €85,000 | 2014-10-08 |
| 102A Block A The Green, Thornberry, Letterkenny | €114,000 | 2022-09-23 |
| 102A The Green, Thornberry, Letterkenny | €35,000 | 2012-03-23 |
| 103 Crieve Mor Avenue, Crievesmith, Letterkenny | €343,172 | 2025-12-12 |
| 103 Foxhills, Letterkenny, Donegal | €147,500 | 2021-10-14 |
| 103 Thornberry, Letterkenny, Donegal | €107,000 | 2018-05-29 |
| 104 Ashfield, Letterkenny, County Donegal | €75,000 | 2015-01-06 |
| 104 Ballymacool, Letterkenny, Co Donegal | €95,000 | 2017-11-13 |
| 104 Crieve Mor Avenue, Crievesmith, Letterkenny | €347,805 | 2026-02-20 |
| 104 Foxhills, Letterkenny, Donegal | €170,000 | 2023-12-01 |
| 104 Loughanure, Annagry, Letterkenny | €150,000 | 2025-12-22 |
| 104 Thornberry, Letterkenny, Donegal | €147,000 | 2017-08-31 |
| 105 Ashlawn, Letterkenny, Donegal | €120,000 | 2018-06-07 |
| 105 Ballymacool Wood, Letterkenny, Donegal | €90,500 | 2016-11-29 |
| 105 Crieve Mor Avenue, Crievesmith, Letterkenny | €347,805 | 2026-03-11 |
| 105 The Grange, Glencar, Letterkenny | €125,000 | 2018-11-12 |
| 106 Ard O Donnell, Letterkenny, Donegal | €51,000 | 2014-12-22 |
| 106 Ard O'donnell, Letterkenny, Co Donegal | €70,000 | 2017-02-16 |
| 106 Crieve Mor Avenue, Crievesmith, Letterkenny | €334,361 | 2025-09-26 |