| Shee, Tydavnet Post Office, Monaghan | €255,000 | 2022-09-21 |
| Sheetrim, Monaghan | €402,000 | 2025-07-08 |
| Sheetrim, Tydavnit | €85,000 | 2014-03-25 |
| Shelvins, Glaslough, Monaghan | €50,000 | 2021-04-26 |
| Shercock Rd, Carrickmacross, Co Monaghan | €200,000 | 2022-01-28 |
| Shercock Rd, Carrickmacross, Monaghan | €150,000 | 2017-10-31 |
| Sherwood House, Tullynaskeagh, Drumcondrath Rd | €65,000 | 2014-05-29 |
| Sheshkin, Scotstown, Co. Monaghan | €28,500 | 2022-01-28 |
| Shesksin, Scotstown, Monaghan | €60,000 | 2023-12-20 |
| Shevlins, Glaslough | €247,000 | 2012-12-13 |
| Shop And Premises, Main Street, Castleblayney | €115,000 | 2012-09-11 |
| Site 29, Knockcarrick, Annyalla | €170,000 | 2010-02-11 |
| Site E Latlurcan (42), Monaghan | €427,000 | 2026-08-27 |
| Skeachorn, Clones, Monaghan | €270,000 | 2020-03-12 |
| Skeagh, Smithboro, Co Monaghan | €30,000 | 2020-11-20 |
| Skeagh, Smithborough, Monaghan | €365,000 | 2025-04-28 |
| Skeahorn, Clones, Monaghan | €150,000 | 2017-04-28 |
| Skerrick West, Scotshouse | €105,000 | 2010-11-16 |
| Skerrick West, Scotshouse, Monaghan | €80,000 | 2021-08-16 |
| Skerrymore, Drumacrib, Castleblayney | €100,000 | 2012-05-28 |
| Skinnaghin, Glaslough, Co Monaghan | €150,000 | 2020-06-11 |
| Sogher, Emyvale, Co Monaghan | €136,000 | 2017-06-21 |
| Sonas, Cormoy Lower, Blackstaffs Post | €385,000 | 2021-10-27 |
| South Lodge, Castleblaney, County Monaghan | €133,000 | 2017-02-08 |
| Spencer Park, Castlebar, Monaghan | €95,000 | 2021-08-09 |
| Spire View, Lurgans, Carrickmacross | €150,000 | 2023-08-04 |
| Sra, Ballybay | €40,000 | 2011-06-23 |
| Sragh, Ballybay | €87,000 | 2015-04-17 |
| Sragh, Ballybay, Co Monaghan | €80,000 | 2021-08-30 |
| Sragh, Ballybay, County Monaghan | €116,000 | 2023-10-16 |
| Sragh, Ballybay, Monaghan | €240,000 | 2017-12-15 |
| Sragh, Mullanary, Ballybay | €260,000 | 2020-03-18 |
| St Annes, Newtownbutler Rd, Clones | €45,000 | 2019-03-11 |
| St Judes, Cara Street, Clones | €13,000 | 2014-12-22 |
| St Judes, Clones Road, Monaghan | €145,000 | 2013-06-24 |
| St Teresa, Derrylavin, Carrickmacross | €425,000 | 2021-10-19 |
| St. Gerard's, Bree, Castleblaney | €60,000 | 2017-10-06 |
| Stracklevan, Knockatallon, Co. Monaghan | €85,000 | 2022-09-16 |
| Stracklevin, Knockatallon, Co Monaghan | €225,000 | 2020-08-24 |
| Stracunnion, Scotstown, Monaghan | €353,000 | 2026-06-29 |
| Stradeen, Carrickmacross, Monaghan | €461,000 | 2026-09-16 |
| Stradeen, Killanny, Carrickmacross | €130,000 | 2024-03-15 |
| Straghan, Monaghan | €230,000 | 2023-11-21 |
| Stranatona, Magheracloone, Carrickmacross | €417,500 | 2022-08-03 |
| Stranatonagh, Magheracloone, Carrickmacross | €342,000 | 2023-07-06 |
| Stranoodan, Monaghan | €80,000 | 2010-12-01 |
| Stranooden P O, Stranooden, Monaghan | €127,500 | 2020-03-18 |
| Stranooden, Corcaghan, Monaghan | €170,000 | 2015-04-28 |
| Stranooden, Monaghan | €315,000 | 2023-05-15 |
| Stranooden, Monaghan, County Monaghan | €255,000 | 2010-02-04 |
| Sui Mhuire, Clones Rd, Monaghan | €162,500 | 2014-12-22 |
| Sunbeam Villa, Castleblayney Rd, Ballybay | €211,000 | 2026-09-16 |
| Sunhill, Kingscourt Rd, Carrickmacross | €174,000 | 2017-02-21 |
| Sunnyside House Tullynamalra, Creaghanroe, Castleblayney | €250,000 | 2025-03-14 |
| Sunnyside, York St, Castleblayney | €90,000 | 2020-12-22 |
| Sunville, Lathlurcan, Monaghan | €213,000 | 2016-11-18 |
| Swan Park, Monaghan | €270,000 | 2013-08-16 |
| Tamlat, Latton, Castleblayney | €61,500 | 2022-04-22 |
| Tamlet, Latton, Castleblaney | €20,000 | 2016-01-11 |
| Tanderageebane, Monaghan | €330,000 | 2025-07-29 |
| Tandrageebrack, Monaghan, Co Monaghan | €105,500 | 2023-04-13 |
| Tanmacnally, Rockcorry, Co. Monaghan | €45,000 | 2016-09-28 |
| Taplagh, Broomfield, Castleblayney | €100,000 | 2010-10-05 |
| Tara House, Church Hill Rd, Tullyharnett | €575,000 | 2023-12-18 |
| Tassan, Clontibret, Co Monaghan | €172,000 | 2023-06-13 |
| Tattenclave, Stranooden, Co Monaghan | €270,000 | 2017-10-27 |
| Tattenclave, Stranooden, Monaghan | €175,000 | 2024-03-13 |
| Tattinclave, Castleblayney, Monaghan | €277,000 | 2025-09-15 |
| Tattindonagh, Ballinode, Monaghan | €337,500 | 2023-08-28 |
| Tattyboy Blackstaff, Carrickmacross, Monaghan | €214,000 | 2020-05-15 |
| Tattyboy, Blackstaff, Inniskeen | €145,000 | 2012-08-02 |
| Tattyboy, Carrickmacross, Monaghan | €84,000 | 2022-10-27 |
| Tattyboys, Inniskeen, Carrickmacross | €125,000 | 2010-10-21 |
| Tattybrack, Lisnalog | €60,000 | 2011-12-20 |
| Tattygar, Castleblayney, Monaghan | €300,000 | 2025-11-10 |
| Tattygare, Castleblayney | €195,000 | 2012-05-21 |
| Tattyreagh North, Annyalla, Castleblayney | €268,000 | 2020-12-10 |
| Tavanaskea, Castleblayney, Monaghan | €65,000 | 2016-07-07 |
| Tavanaskea, Drumacrib P O, Castleblayney | €30,000 | 2014-01-30 |
| Teac Eile, Blackfort Rd, Lisnashannagh | €174,000 | 2023-05-31 |
| Teach Bhrighde, Coillidh Ghabhann, Br Bheal Atha Beithe | €103,000 | 2015-05-12 |
| Teach Mhuire, Drumneill, Carrickmacross | €270,000 | 2018-11-07 |
| Teehill, Clones | €250,000 | 2010-10-08 |
| Telaydan, Monaghan | €260,000 | 2023-01-17 |
| Teraverty, Scotstown, County Monaghan | €110,000 | 2024-05-28 |
| Terrycaffe, Glaslough, Monaghan | €136,000 | 2021-05-05 |
| Terrygreaghan, Ballybay, Countyh Monaghan | €25,000 | 2024-12-10 |
| Terrygreehan, Doohamlet, Castleblayney | €50,000 | 2019-06-06 |
| Terrytole, Ballinode, Monaghan | €275,000 | 2024-12-09 |
| The Annies, Clones, Co Monaghan | €80,000 | 2021-07-29 |
| The Billis, Monaghan, Co. Monaghan | €260,000 | 2025-07-11 |
| The Birches, Annahale, Castleblaney | €350,000 | 2017-03-15 |
| The Birds Nest, Alts, Magheracloone | €242,500 | 2018-03-29 |
| The Bungalow, Church St, Carrickmacross | €165,000 | 2024-12-03 |
| The Bungalow, Coraghy, Clones | €150,000 | 2015-04-28 |
| The Bungalow, Drumass, Inniskeen | €150,000 | 2023-10-09 |
| The Bungalow, Glen Rd, Monaghan | €250,000 | 2026-08-18 |
| The Bungalow, Griggy, Emyvale | €120,500 | 2016-05-24 |
| The Bungalow, Horse Shoe Bridge, Park Road | €250,000 | 2025-09-02 |
| The Bungalow, Latlurcan, Monaghan | €180,000 | 2024-04-25 |
| The Bungalow, Liscarney, Monaghan | €160,000 | 2016-11-04 |
| The Bungalow, Tanderageebane, Monaghan | €60,000 | 2024-05-27 |
| The Bungalow, Teravera, Glaslough | €450,000 | 2025-06-12 |
| The Bungloe, Rooskey, Threemilehouse | €150,000 | 2018-07-06 |
| The Bunglow, Gallinagh, Monaghan | €133,000 | 2022-06-28 |
| The Corner House, Glenmore, Emyvale | €190,000 | 2026-04-14 |
| The Cottage (monneill), Rockcorry, Monaghan | €61,000 | 2020-09-30 |
| The Cottage, Castleblaney Rd, Carrickmacross | €144,000 | 2024-07-09 |
| The Cottage, Corcuillogue, Carrickmacross | €233,000 | 2014-03-03 |
| The Cottage, Hillden, Gallanagh | €115,000 | 2023-06-01 |
| The Cottage, Killabrick | €80,000 | 2011-03-22 |
| The Cottage, Killyconnigan, Monaghan | €130,000 | 2019-07-18 |
| The Cottage, Magheross Road, Carrickmacross | €102,000 | 2016-04-15 |
| The Cottage, Mullinary, Carrickmacross | €93,000 | 2016-06-30 |
| The Cottage, Oneill St, Carrickmacross | €140,000 | 2017-10-10 |
| The Cottage, Smithborough, Co Monaghan | €195,000 | 2026-06-18 |
| The Cottages, Killygoan, Ballybay Road | €67,000 | 2019-06-21 |
| The Demesne, Castleshane, County Monaghan | €355,000 | 2021-05-25 |
| The Diamond, Clones, Co. Monaghan | €145,600 | 2026-08-27 |
| The Diamond, Clones, County Monaghan | €38,000 | 2017-06-14 |
| The Diamond, Clones, Monaghan | €45,100 | 2018-12-14 |
| The Diamond, Monaghan | €250,000 | 2013-08-02 |
| The Gate Lodge, Errigal, Emyvale | €80,000 | 2023-07-04 |
| The Glebe, Iniskeen, Co Monaghan | €100,000 | 2020-05-27 |
| The Glebe, Inniskeen, Monaghan | €90,000 | 2015-12-04 |
| The Harlequinn Bar, Main Street, Carrickmacross | €100,000 | 2014-07-15 |
| The Haven, Scotshouse, Monaghan | €90,000 | 2018-12-20 |
| The Hill House, Mulladuff, Smithborough | €100,000 | 2021-06-25 |
| The Larches, Crumlin, Threemilehouse | €150,000 | 2026-01-13 |
| The Lurgans Carrickmacross Lo, Monaghan | €180,000 | 2025-10-31 |
| The Lurgans, Carrickmacross, Lurgans | €175,000 | 2014-11-20 |
| The Lurgans, Carrickmines, Monaghan | €210,000 | 2010-10-26 |
| The Manse, Corlea, Shantonagh | €420,000 | 2024-09-23 |
| The Manse, Corvalley, Carrickmacross | €150,000 | 2018-01-31 |
| The Manse, Drum, Co Monaghan | €31,000 | 2019-10-17 |
| The Old Post Office, Latton, Castleblayney | €112,000 | 2017-07-03 |
| The Old Schoolhouse, Creeve Latton, Castleblayney P O | €125,000 | 2019-11-13 |
| The Pines, Clones Rd, Monaghan | €165,000 | 2014-07-30 |
| The Pines, Magheraboy Road, Carrickmacross | €122,500 | 2010-03-31 |
| The Pound, Shercock Road, Carrickmacross | €130,000 | 2014-10-10 |
| The Rectory, Castleblayney, Co Monaghan | €250,000 | 2016-05-27 |
| The Square, Ballybay Rd, Carrickmacross | €300,000 | 2024-11-11 |
| The Tree House, Rafeenan, Ballinode | €410,000 | 2023-08-23 |
| The Willows, Annyalla, Castleblayney | €505,000 | 2025-12-19 |
| The Wood, Kilnadrain, Monaghan | €340,000 | 2021-12-15 |
| Thistledoo, Corcaghan, Monaghan | €362,500 | 2022-02-28 |
| Thomas St, Castleblayney, Monaghan | €75,000 | 2017-02-10 |
| Thornford House, Castleblaney | €330,000 | 2012-12-14 |
| Thornford House, Castleblaney, Monaghan | €450,000 | 2018-04-20 |
| Tiernahinch, Clones, Monaghan | €110,000 | 2022-04-12 |
| Tiernahinch, Roslea Rd, Clones | €210,000 | 2025-07-11 |
| Tillson Hill, Caddagh, Ballybay | €225,000 | 2024-04-29 |
| Tir Na Darach, Drumirril, Inniskeen | €240,000 | 2024-07-12 |
| Tir Na Nog, Monaltybane, Carrickmacross | €215,000 | 2020-02-26 |
| Tirarden, Stranooden, County Monaghan | €23,000 | 2020-02-14 |
| Tiravera, Glaslough | €45,000 | 2011-09-06 |
| Tiravera, Glaslough, Monaghan | €420,000 | 2022-12-15 |
| Tireran, Killybrone, Emyvale | €195,000 | 2022-07-15 |
| Tirkeenan, Monaghan | €120,500 | 2013-04-08 |
| Tirmacmoe, Castleshane, Monaghan | €190,000 | 2021-02-26 |
| Tirnaneill House, Tirnaneill, Monaghan | €121,000 | 2016-05-27 |
| Tirnaneill, Monaghan | €305,000 | 2026-07-22 |
| Tirnaskea North, Tedavnet, County Monaghan | €32,000 | 2021-10-07 |
| Tirnaskea North, Tydavnet | €235,000 | 2011-09-29 |
| Tirnaskea North, Tydavnet, Co Monaghan | €315,000 | 2022-04-01 |
| Tirogarvan, Shercock Rd, Carrickmacross | €195,000 | 2016-11-14 |
| Tivelaney, Shantonagh, Castleblayney | €160,000 | 2024-12-23 |
| Tonagh, Clontibret, Co Monaghan | €75,000 | 2023-07-11 |
| Tonaneave, Magheracloone, Carrickmacross | €255,000 | 2018-01-09 |
| Tonanevn Magherclon, Carrickmacross, Monaghan | €100,000 | 2025-04-14 |
| Toneycoogan, Emyvale | €93,000 | 2017-01-10 |
| Toneycoogan, Emyvale, Co Monaghan | €185,000 | 2014-06-20 |
| Toneycoogan, Emyvale, Monaghan | €170,000 | 2022-08-18 |
| Toneyellida, Donaghmoyne, Carrickmacross | €185,000 | 2021-07-23 |
| Toneysilloga, Tydavnet, Co Monaghan | €56,000 | 2020-03-10 |
| Toneystacken, Scotstown, Monaghan | €150,000 | 2015-09-07 |
| Toniscoffey, Drumraymond | €270,000 | 2010-10-20 |
| Tonniscoffey, Dunraymond, Monaghan | €21,000 | 2017-12-14 |
| Tonycoogan, Emyvale, Monaghan | €265,000 | 2022-11-11 |
| Tonyellida, Donaghmoyne, Carrickmacross | €332,500 | 2023-02-21 |
| Tonyfinnegan, Emyvale, Monaghan | €46,500 | 2022-05-13 |
| Tonyfohanan, Election Hill, Emyvale | €160,000 | 2024-12-04 |
| Tonyglassan, Ballybay | €120,000 | 2011-10-14 |
| Tonyglasson, Castleblayney, Monaghan | €395,000 | 2021-05-14 |
| Tonyscallon, Castleblayney, Co Monaghan | €45,000 | 2012-12-18 |
| Tonyshandery, Emyvale, Monaghan | €47,000 | 2022-03-01 |
| Tonystacken, Scotstown, Co. Monaghan | €70,000 | 2023-04-20 |
| Trinity House, Barrack Hill, Glaslough Village | €200,000 | 2014-06-18 |
| Trostan, Carrickmacross | €125,000 | 2012-06-19 |
| Trostan, Carrickmacross, County Monaghan | €95,000 | 2018-12-19 |
| Tulleevin, Smithborough, Co Monaghan | €100,000 | 2014-05-22 |
| Tullintlisny, Castleblayney | €80,000 | 2010-12-15 |
| Tully, Emyvale | €61,674 | 2012-01-20 |
| Tullyallen, Carrickmacross, Monaghan | €145,000 | 2021-10-14 |
| Tullyard, Cootehill Road, Monaghan | €150,000 | 2011-12-19 |
| Tullyard, Emyvale, Monaghan | €90,000 | 2017-05-10 |
| Tullyard, Monaghan | €320,000 | 2025-02-26 |
| Tullybuck, Clontibret | €135,000 | 2013-01-28 |
| Tullybuck, Clontibret, Monaghan | €280,000 | 2024-09-13 |
| Tullycaghney, Castleblayney, Co Monaghan | €50,000 | 2023-12-14 |