| Henry St, Castleblayney, Monaghan | €119,000 | 2024-07-12 |
| Henry Street, Castleblayney, Co. Monaghan | €74,000 | 2020-01-31 |
| Hillside, Conabury, Castleblayney | €230,000 | 2019-04-12 |
| Kilkitt, Shantonagh, Castleblayney | €205,000 | 2013-09-02 |
| Killycard, Castleblayney | €215,000 | 2012-09-11 |
| Killycard, Castleblayney, Co Monaghan | €195,000 | 2017-09-18 |
| Killycard, Castleblayney, Monaghan | €285,000 | 2023-01-24 |
| Killycard, Milehill Road, Castleblayney | €475,000 | 2021-10-07 |
| Killygola, Castleblayney, Monaghan | €275,000 | 2022-09-23 |
| Kilnacranfy, Castleblayney, County Monaghan | €100,000 | 2019-11-06 |
| Kinnagin, Castleblayney, Monaghan | €100,000 | 2016-12-15 |
| Kinnegan, Castleblayney, County Monaghan | €230,000 | 2024-12-02 |
| Knockagolis, Castleblayney | €100,000 | 2011-05-05 |
| Knocknaneen, Castleblayney, Monaghan | €120,000 | 2014-08-06 |
| Knockreagh Lower, Broomfield, Castleblayney | €40,000 | 2012-10-26 |
| Lackafin, Broomfield, Castleblayney | €274,000 | 2021-01-15 |
| Lackan, Castleblayney, Co. Monaghan | €60,000 | 2020-04-08 |
| Lackan, Latton, Castleblayney | €310,000 | 2020-03-27 |
| Lagan Castleblayney, Castleblayney, Monaghan | €144,000 | 2021-12-17 |
| Lagan, Castleblayney, Monaghan | €100,000 | 2025-09-17 |
| Laggan, Castleblayney, Co. Monaghan | €127,000 | 2017-09-25 |
| Laragh Village, Castleblayney, Co Monaghan | €118,000 | 2018-12-11 |
| Laragh Village, Castleblayney, Monaghan | €310,000 | 2021-02-12 |
| Latton, Castleblayney, Monaghan | €310,000 | 2026-09-10 |
| Lattycrum, Loughmourne, Castleblayney | €55,000 | 2021-05-05 |
| Laurel Hill, Castleblayney, Monaghan | €265,000 | 2024-07-10 |
| Laurel Lodge, Castleblayney Convent, Castleblayney | €345,000 | 2026-05-11 |
| Lisaquill, Broomfield, Castleblayney | €60,000 | 2023-03-23 |
| Lisclougher House, Lisclougher, Castleblayney | €310,000 | 2022-12-16 |
| Lisdoney, Castleblayney, Monaghan | €60,000 | 2021-10-06 |
| Lisdrumclave, Latton, Castleblayney | €225,000 | 2020-10-19 |
| Lisdrumcleve, Latton, Castleblayney | €61,000 | 2024-05-23 |
| Lisduff, Loughmourne, Castleblayney | €20,000 | 2015-12-01 |
| Liseenan, Castleblayney, Monaghan | €45,000 | 2021-04-08 |
| Liseenan, Drumacrib, Castleblayney | €100,000 | 2025-07-22 |
| Lislanley, Castleblayney | €205,000 | 2013-06-19 |
| Lismagunshin Anyalla, Castleblayney, Co Monaghan | €250,000 | 2024-04-19 |
| Lisnaclea, Shantonagh, Castleblayney | €338,000 | 2022-10-27 |
| Lisnafinelly, Broomfield, Castleblayney | €110,000 | 2020-01-13 |
| Lisnagallagh, Latton, Castleblayney | €92,000 | 2012-11-28 |
| Lisnamack, Broomfield, Castleblayney | €250,000 | 2025-10-13 |
| Lisnamacka, Broomfield, Castleblayney | €194,000 | 2012-11-22 |
| Lisnamacka, Castleblayney, Co. Monaghan | €10,000 | 2013-05-07 |
| Lough View, Drumacon, Castleblayney | €140,000 | 2020-09-10 |
| Loughbratty, Castleblayney, Monaghan | €35,000 | 2023-05-12 |
| Lower Bree Rd, Castleblayney, Monaghan | €230,000 | 2021-10-01 |
| Lurganboy, Castleblayney, Monaghan | €230,000 | 2017-10-05 |
| Lurganmore, Castleblayney, Co Monaghan | €35,000 | 2016-06-04 |
| Mahon, Latton, Castleblayney | €50,000 | 2022-07-20 |
| Main St, Castleblayney, Monaghan | €202,000 | 2024-11-11 |
| Main Street, Castleblayney, Co Monaghan | €48,000 | 2017-01-24 |
| Market Sq, Castleblayney, Co Monaghan | €120,000 | 2025-10-02 |
| Market Sq, Castleblayney, Monaghan | €184,000 | 2016-04-22 |
| Market Square, Castleblayney | €50,000 | 2011-02-04 |
| Marnakill, Castleblayney, Monaghan | €230,000 | 2022-11-04 |
| Marnakill, Dundalk Rd, Castleblayney | €201,000 | 2024-07-02 |
| Mccabes Tavern, Muckno Street, Castleblayney | €20,000 | 2012-09-27 |
| Melrose House, Tullyharnet, Castleblayney | €245,000 | 2022-08-29 |
| Millview House, Milltown Oram, Castleblayney | €360,000 | 2024-10-03 |
| Mobane House, Dundalk Rd, Castleblayney | €1,000,000 | 2025-01-07 |
| Monaghan Rd, Castleblayney, Monaghan | €287,000 | 2020-10-16 |
| Monagirr, Culloville, Castleblayney | €210,000 | 2022-04-20 |
| Moneyglen, Broomfield, Castleblayney | €100,000 | 2018-06-26 |
| Muckno St, Castleblayney, Co Monaghan | €206,000 | 2021-09-17 |
| Muckno Street, Castleblayney | €45,000 | 2013-01-10 |
| Muckno Street, Castleblayney, Co Monaghan | €60,000 | 2025-05-09 |
| Muckno Street, Castleblayney, Co. Monagan | €20,000 | 2014-08-29 |
| New St, Castleblayney, Monaghan | €192,500 | 2021-05-11 |
| New Street, Castleblayney, Co. Monaghan | €90,000 | 2020-11-06 |
| No 13, Ashview Court, Castleblayney | €130,000 | 2011-11-18 |
| No 3 Cois Locha, Doohamlet, Castleblayney | €134,000 | 2014-10-13 |
| No 7 Lakeside Village, Castleblayney, Co Monaghan | €95,000 | 2018-11-23 |
| No 7 York Street, Castleblayney | €83,500 | 2012-05-24 |
| No. 1 Sruth An Iuir, Oram, Castleblayney | €179,500 | 2012-12-18 |
| No. 2 Sruth An Iuir, Oram, Castleblayney | €179,500 | 2012-12-18 |
| No. 3 Sruth An Iuir, Oram, Castleblayney | €158,150 | 2011-05-09 |
| No. 38 Thorndale, Bree, Castleblayney | €67,000 | 2014-11-21 |
| No. 4 Struth An Iuir, Oram, Castleblayney | €158,150 | 2011-05-09 |
| No. 78 Choill Darach, Castleblayney | €175,000 | 2011-06-16 |
| Noel Flanagan, Muchno Street, Castleblayney | €25,000 | 2020-12-11 |
| Number 33, Choill Darach Bree, Castleblayney | €168,894 | 2010-05-05 |
| Oghill, Castleblayney, County Monaghan | €100,000 | 2019-04-17 |
| Oghill, Castleblayney, Monaghan | €190,000 | 2025-10-29 |
| Old Coach Rd, Anahale, Castleblayney | €185,000 | 2015-06-18 |
| Oram, Castleblayney, Monaghan | €50,000 | 2016-01-27 |
| Padua, Killycard, Castleblayney | €75,000 | 2018-12-21 |
| Patann Clareoghill, Castleblayney, Monaghan | €270,000 | 2021-10-08 |
| Petticoat House, Market Square, Castleblayney | €252,000 | 2026-09-02 |
| Rockview House Aughnamullen, Latton, Castleblayney | €247,500 | 2014-05-02 |
| Shantonagh, Castleblayney, Monaghan | €210,000 | 2014-02-21 |
| Shop And Premises, Main Street, Castleblayney | €115,000 | 2012-09-11 |
| Skerrymore, Drumacrib, Castleblayney | €100,000 | 2012-05-28 |
| Sunnyside House Tullynamalra, Creaghanroe, Castleblayney | €250,000 | 2025-03-14 |
| Sunnyside, York St, Castleblayney | €90,000 | 2020-12-22 |
| Tamlat, Latton, Castleblayney | €61,500 | 2022-04-22 |
| Taplagh, Broomfield, Castleblayney | €100,000 | 2010-10-05 |
| Tattinclave, Castleblayney, Monaghan | €277,000 | 2025-09-15 |
| 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 |
| Terrygreehan, Doohamlet, Castleblayney | €50,000 | 2019-06-06 |
| The Old Post Office, Latton, Castleblayney | €112,000 | 2017-07-03 |
| The Rectory, Castleblayney, Co Monaghan | €250,000 | 2016-05-27 |
| The Willows, Annyalla, Castleblayney | €505,000 | 2025-12-19 |
| Thomas St, Castleblayney, Monaghan | €75,000 | 2017-02-10 |
| Tivelaney, Shantonagh, Castleblayney | €160,000 | 2024-12-23 |
| Tonyglasson, Castleblayney, Monaghan | €395,000 | 2021-05-14 |
| Tonyscallon, Castleblayney, Co Monaghan | €45,000 | 2012-12-18 |
| Tullintlisny, Castleblayney | €80,000 | 2010-12-15 |
| Tullycaghney, Castleblayney, Co Monaghan | €50,000 | 2023-12-14 |
| Tullycara, Castleblayney, Monaghan | €230,000 | 2023-09-01 |
| Tullycaragh, Castleblayney, Monaghan | €275,000 | 2026-03-24 |
| Tullycoora, Drumacrib, Castleblayney | €95,000 | 2023-12-21 |
| Tullyharnett, Castleblayney, County Monaghan | €30,000 | 2022-03-04 |
| Tullyharnett, Castleblayney, Monaghan | €123,750 | 2018-08-16 |
| Tullyhattna, Castleblayney, County Monaghan | €20,000 | 2021-01-20 |
| Tullynacrunat, Castleblayney, Co Monaghan | €60,000 | 2021-08-11 |
| Tullynacrunat, Castleblayney, Monaghan | €140,000 | 2025-09-01 |
| Tullynacrunnet, Castleblayney, Monaghan | €250,000 | 2026-07-22 |
| Tullynagrow, Castleblayney, Monaghan | €355,000 | 2025-06-19 |
| Tullynahinera, Castleblayney, Co Monaghan | €235,000 | 2022-05-11 |
| Tullynahinnera, Castleblayney, Monaghan | €145,000 | 2023-06-15 |
| Tullynamalra, Loughmourne, Castleblayney | €270,000 | 2025-12-12 |
| Tullynanegish, Loughmourne, Castleblayney | €75,000 | 2023-12-20 |
| Tullythisney, Oram, Castleblayney | €200,000 | 2020-05-22 |
| Tullyvaragh, Broomfield, Castleblayney | €55,000 | 2018-03-28 |
| Tusker, Broomfield, Castleblayney | €40,000 | 2017-01-18 |
| Ullinagh, Loughmourne, Castleblayney | €160,000 | 2021-08-25 |
| Unit 51 Knock Carrick, Annyalla, Castleblayney | €36,950 | 2013-11-15 |
| West St, Castleblayney, Monaghan | €78,750 | 2018-05-16 |
| White Door Opposite Mart, Muckno St, Castleblayney | €40,000 | 2020-03-27 |
| Woodview, Laragh, Castleblayney | €175,000 | 2015-02-20 |
| Woodycrest, Cornagal Broomfield, Castleblayney | €112,000 | 2024-11-27 |
| York House, York Street, Castleblayney | €250,000 | 2026-07-01 |
| York St, Castleblayney, Monaghan | €220,000 | 2024-11-12 |