| Cootehall, Boyle, Co. Roscommon | €339,207 | 2026-01-23 |
| Cootehall, Boyle, Roscommon | €200,000 | 2025-02-19 |
| Copperfield, Tibohine, Castlerea | €126,000 | 2015-11-26 |
| Copse Townland, Boyle, County Roscommon | €205,000 | 2025-01-27 |
| Copse, Boyle, Roscommon | €273,000 | 2018-01-12 |
| Corastoona More, Ballintubber | €116,000 | 2010-09-03 |
| Corbally House, Tulsk, Castlerea | €315,000 | 2024-12-19 |
| Corbally West, Croghan, County Roscommon | €16,500 | 2017-01-06 |
| Corbally West, Elphin, County Roscommon | €126,500 | 2019-07-26 |
| Corbally West, Elphin, Roscommon | €189,000 | 2021-01-26 |
| Corbally, Donamon, Roscommon | €250,000 | 2025-10-23 |
| Corbally, Tulsk, Co Roscommon | €35,000 | 2021-06-05 |
| Corbaun, Elphin, Co Roscommon | €150,000 | 2023-07-10 |
| Corbo, Kilrooskey | €136,155 | 2011-05-31 |
| Corbo, Kilrooskey, Roscommon | €195,000 | 2023-06-30 |
| Corbohill, Strokestown | €10,000 | 2015-11-06 |
| Corbohill, Strokestown, Co Roscommon | €155,000 | 2025-06-06 |
| Corboley, Knockcrogery | €19,500 | 2014-05-16 |
| Corboley, Knockcroghery | €180,000 | 2010-05-10 |
| Corboley, Knockcroghery, Co Roscomman | €91,000 | 2024-04-08 |
| Corboley, Knockcroghery, Co Roscommon | €340,000 | 2023-12-08 |
| Corboley, Knockcroghery, County Roscommon | €70,000 | 2018-10-08 |
| Corboley, Knockcroghery, Roscommon | €350,000 | 2024-09-09 |
| Corboley, Knockcrohery, County Roscommon | €50,000 | 2021-09-09 |
| Corbolley, Knockcroghery | €100,000 | 2010-12-15 |
| Corbooley, Knockcroghery, Co Roscommon | €220,000 | 2016-11-17 |
| Corbooley, Knockcroghery, Roscommon | €189,000 | 2017-11-21 |
| Corderryhugh, Athleaugh, Roscommon | €220,000 | 2021-02-19 |
| Cordrumman, Scramoge, Roscommon | €150,000 | 2024-10-24 |
| Corgarve, Ballymurray, Roscommon | €70,000 | 2018-07-31 |
| Corgorrow, Drummullin, Elphin | €440,000 | 2026-07-15 |
| Corgowan, Strokestown, Roscommon | €80,000 | 2020-10-23 |
| Corgullion, Kilmore, Co Roscommon | €83,500 | 2024-11-06 |
| Corlis, Castlerea | €35,000 | 2011-06-14 |
| Corlis, Castlerea, County Roscommon | €12,500 | 2021-04-28 |
| Corlis, Castllerea, County Roscommon | €60,000 | 2020-10-19 |
| Cormaseer, Kiltoom, Athlone | €128,000 | 2017-04-12 |
| Cornabanny, Cloonfad | €26,000 | 2012-08-31 |
| Cornabanny, Cloonfad, Ballyhaunis | €150,000 | 2022-11-07 |
| Cornabanny, Cloonfad, Co Roscommon | €118,000 | 2023-02-21 |
| Cornabanny, Cloonfad, Roscommon | €125,000 | 2023-01-11 |
| Cornacarta, Boyle, Roscommon | €290,000 | 2024-10-18 |
| Cornacarta, Corrigeenroe, Boyle | €280,000 | 2026-05-18 |
| Cornacartha, Corigeenroe, Boyle | €20,000 | 2018-08-16 |
| Cornacartha, Corrigeenroe, Boyle | €190,000 | 2024-03-22 |
| Cornafulla House, Cornafulla, Athlone | €175,000 | 2013-08-07 |
| Cornafulla North, Athlone, Co. Roscommon | €105,000 | 2017-11-09 |
| Cornafulla, Athlone | €25,000 | 2015-09-28 |
| Cornafulla, Athlone, Co. Roscommon | €80,000 | 2025-08-05 |
| Cornafulla, Athlone, County Roscommon | €220,000 | 2024-11-27 |
| Cornagee, Arigna, Carrick On Shannon | €210,000 | 2021-11-26 |
| Cornagee, Arigna, Roscommon | €279,000 | 2025-01-30 |
| Cornagee, Louth Allen, Roscommon | €170,000 | 2022-07-21 |
| Cornageeha, Brideswell, Athlone | €300,000 | 2019-07-30 |
| Cornameelta, Boyle, County Roscommon | €28,000 | 2016-11-21 |
| Cornameltha, Boyle, Roscommon | €85,000 | 2022-10-14 |
| Cornaseer, Kiltoom, Athlone | €180,000 | 2025-06-25 |
| Cornaseer, Kiltoom, Co Roscommon | €250,000 | 2025-07-25 |
| Cornasleehan, Kilmore, Carrick On Shannon | €148,500 | 2020-08-05 |
| Cornasleehan, Kilmore, Via Carrick On Shannon | €18,000 | 2014-03-21 |
| Cornaveagh, Creggs | €36,000 | 2013-08-14 |
| Cornaveagh, Creggs, Roscommon | €350,000 | 2026-05-26 |
| Cornaveigh, Kingsland, Boyle | €32,500 | 2023-09-22 |
| Cornislehane, Kilmore, Ck On Shannon | €45,000 | 2019-08-02 |
| Cornsleehan, Kilmore, Carrick On Shannon | €196,000 | 2022-07-21 |
| Corrabaun, Elphin, Co Roscommon | €75,000 | 2019-12-03 |
| Corraclor Lodge, Barry Beg, Roscommon Rd | €530,000 | 2026-07-03 |
| Corracoggil South, Loughglynn, Castlerea | €190,000 | 2025-12-18 |
| Corracoggil, Lisacul, Co. Roscommon | €35,000 | 2026-04-15 |
| Corracommeen, Carrowbehy, Castlerea | €185,000 | 2021-07-02 |
| Corracreigh, Elphin | €37,500 | 2013-04-17 |
| Corradrehid, Fou Mile House | €125,000 | 2013-01-24 |
| Corradrehid, Four Mile House | €150,000 | 2010-11-19 |
| Corragarve, Tulsk, Co Roscommon | €72,500 | 2025-10-02 |
| Corrahard, Lisacul, Castlerea | €115,000 | 2021-06-17 |
| Corraslira, Strokestown | €68,000 | 2011-11-28 |
| Corraslira, Strokestown, Roscommon | €295,000 | 2023-03-20 |
| Corraun, Termonbarry, Co. Roscommon | €130,000 | 2025-03-12 |
| Correal, Athleague, Co. Roscommon | €149,000 | 2017-07-27 |
| Correal, Athleague, Roscommon | €360,000 | 2025-03-07 |
| Correal, Four Roads, Roscommon | €150,000 | 2025-01-31 |
| Correal, Stonepark | €45,000 | 2012-10-18 |
| Correegeenroe, Boyle, Co Roscommon | €326,000 | 2020-11-17 |
| Corren, Oldtown, Athlone | €215,000 | 2019-05-23 |
| Corriga, Lanesborough Rd, Roscommon Town | €420,000 | 2021-08-31 |
| Corrigeen Cross, Strokestown, Roscommon | €140,000 | 2023-07-13 |
| Corrigeenroe, Boyle | €460,000 | 2016-07-01 |
| Corrigeenroe, Boyle, Roscommon | €195,000 | 2024-12-06 |
| Corristoona More, Ballintubber, Castlerea | €190,000 | 2019-08-27 |
| Corristoona, Ballintubber, Castlerea | €100,000 | 2021-06-17 |
| Corristoonamore, Ballintubber, County Roscommon | €124,000 | 2019-08-14 |
| Corrocot, Mount Talbot, Co Roscommon | €280,000 | 2026-05-25 |
| Corrohaguile, Loughlynn, Castlerea | €45,000 | 2021-06-09 |
| Corrowcommeen, Carrowbehy, Castlerea | €65,000 | 2015-06-16 |
| Corroy, Ballinameen, Boyle | €110,000 | 2025-09-04 |
| Corry East, Ballinagara, Castlerea | €15,000 | 2020-12-02 |
| Corry Kilmore, Carrick On Shannon | €12,000 | 2011-12-15 |
| Corry, Carrick On Shannon | €35,000 | 2013-04-16 |
| Corry, Carrick-on-shannon, Co. Roscommon | €30,000 | 2021-10-08 |
| Corry, Kilrooskey, Roscommon | €56,232 | 2017-05-23 |
| Corskeagh, Frenchpark | €57,000 | 2010-12-21 |
| Corskeagh, Frenchpark, Castlerea | €280,000 | 2026-03-11 |
| Corskeagh, Frenchpark, Co Roscommon | €80,000 | 2018-09-21 |
| Corskeagh, Frenchpark, Roscommon | €171,000 | 2021-06-09 |
| Corskeagh, Strokestown | €55,000 | 2012-12-19 |
| Corskeagh, Strokestown, Co Roscommon | €59,000 | 2014-07-21 |
| Cortober, Carrick On Shannon, Co Roscommon | €210,000 | 2018-06-08 |
| Cortober, Carrick On Shannon, Roscommon | €245,000 | 2023-03-31 |
| Cortober, Carrick.on.shannon | €75,000 | 2012-08-16 |
| Cortoon More, Ballaghderreen, Roscommon | €62,000 | 2020-05-25 |
| Cortoonmore, Ballaghaderreen | €76,000 | 2010-06-10 |
| Cortoonmore, Ballaghaderreen, County Roscommon | €25,000 | 2016-07-22 |
| Cortoonmore, Ballaghderreen, Roscommon | €20,000 | 2016-02-11 |
| Cottage, Bockagh, Ballaghaderreen | €20,000 | 2017-05-31 |
| Cottage, Deerpark, Boyle | €30,000 | 2025-08-13 |
| Cottage, Pollanalty East, Cloonfad | €100,000 | 2022-03-30 |
| Cottage, Raheela, Frenchpark | €50,000 | 2016-03-21 |
| Coyle Lodge, Hill Of Berries, Barrybeg | €310,000 | 2019-07-29 |
| Cranagh, Athlone, Roscommon | €160,000 | 2019-11-05 |
| Crancam, Drum, Athlone | €405,000 | 2022-12-19 |
| Crannagh Beg, Drum, Athlone | €160,000 | 2023-01-20 |
| Crannagh More, Athlone, Roscommon | €185,000 | 2020-05-07 |
| Crannagh More, Summerhill, Athlone | €125,000 | 2022-12-21 |
| Crannagh, Athlone | €47,000 | 2013-12-20 |
| Crannagh, Athlone, Roscommon | €223,000 | 2026-01-30 |
| Crannagh, Summerhill, Athlone | €337,500 | 2025-08-01 |
| Crannaghbeg, Drum, Athlone | €100,000 | 2015-08-28 |
| Crannaghbeg, Summerhill, Athlone | €225,500 | 2016-11-18 |
| Crannaghmore, Athlone, Roscommon | €420,000 | 2022-04-21 |
| Crannaghmore, Summerhill, Athlone | €136,000 | 2021-10-06 |
| Creemully, Aghagad | €35,000 | 2013-06-24 |
| Creemully, Castlecoote, Roscommon | €245,000 | 2019-08-12 |
| Creeve, Donamon, Roscommon | €325,000 | 2025-12-22 |
| Creeve, Elphin | €75,000 | 2010-10-04 |
| Creeve, Elphin, Co Roscommon | €80,000 | 2022-05-04 |
| Creeve, Elphin, County Roscommon | €80,000 | 2011-08-15 |
| Creeve, Roscommon | €304,000 | 2022-01-06 |
| Creevy Crossroads, Lisacul, Ballaghadereen | €240,000 | 2025-10-23 |
| Creevy Lisacul, Castlerea, Roscommon | €33,000 | 2016-02-29 |
| Creevy Rd, Roscommon, Roscommon | €180,000 | 2017-05-15 |
| Creevy Road, Creevyquin, Roscommon Town | €340,000 | 2025-12-01 |
| Creevy, Ardsallagh More, Roscommon | €155,000 | 2020-09-29 |
| Creevy, Lisacul, Ballaghadereen | €185,000 | 2024-11-27 |
| Creevy, Lisacul, Ballaghaderreen | €25,000 | 2017-03-03 |
| Creevy, Lisacul, Castlerea | €120,000 | 2026-02-17 |
| Creevy, Lisacul, Co Roscommon | €75,000 | 2017-09-18 |
| Creevy, Lisacul, Roscommon | €43,000 | 2020-04-21 |
| Creevy, Lisascul, Castlerea | €35,000 | 2015-10-14 |
| Creevy, Liscaul, Castlerea | €20,000 | 2016-10-07 |
| Creevy, Roscommon | €140,000 | 2020-02-14 |
| Creevy, Roscommon P O, Roscommon | €30,000 | 2017-06-29 |
| Creevyn, Lisacul Castlerea, Co. Roscommon | €54,700 | 2013-07-05 |
| Creevyquin, Roscommon, Co Roscommon | €120,000 | 2013-12-18 |
| Cregameen, Castlerea, Co Roscommon | €71,000 | 2020-09-17 |
| Cregameen, Trien, Castlerea | €80,000 | 2023-11-16 |
| Cregaslin, Castlerea, Roscommon | €122,000 | 2022-03-31 |
| Cregga Court, Elphin, Roscommon | €120,000 | 2025-02-20 |
| Cregga, Strokestown, Co Roscommon | €208,000 | 2022-02-10 |
| Cregga, Strokestown, Roscommon | €110,000 | 2021-12-23 |
| Creggameen, Castlerea, Roscommon | €215,000 | 2022-06-01 |
| Creggameen, Trien, Castlerea | €152,000 | 2011-01-06 |
| Creggan, Ballaghadereen, Castlerea | €47,500 | 2019-08-26 |
| Creggan, Cornafulla, Athlone | €85,000 | 2019-11-22 |
| Creggan, Old Town, Athlone | €120,000 | 2023-04-26 |
| Cregganabeaka, Clonown, Athlone | €45,000 | 2010-10-28 |
| Cregganabeaka, Cornafulla, Athlone | €20,000 | 2018-09-04 |
| Creggane, Clonown, Athlone | €75,000 | 2025-10-30 |
| Creggane, Edmonstown, Ballaghaderreen | €28,000 | 2013-09-19 |
| Cregganycarna, Ballinasloe, Co Roscommon | €30,000 | 2018-06-21 |
| Creggaslin, Castlerea | €150,000 | 2013-02-25 |
| Creggaslin, Castlerea, Roscommon | €150,000 | 2023-10-27 |
| Creggcaslin, Castlerea | €400,000 | 2010-07-19 |
| Creghane, Edmonstown, Ballaghadereen | €115,000 | 2024-08-29 |
| Creglahan, Castlerea | €77,500 | 2012-02-08 |
| Cregmen, Castlerea, Roscommon | €20,000 | 2017-01-20 |
| Creightons, Ballymacurley, Roscommon | €42,500 | 2017-07-21 |
| Crenane, Ballaghaderreen | €37,500 | 2012-05-22 |
| Crenane, Ballaghaderreen, County Roscommon | €15,000 | 2023-03-27 |
| Crenane, Ballaghaderreen, Roscommon | €95,000 | 2025-02-12 |
| Crennane, Ballaghaderreen | €80,000 | 2012-08-17 |
| Crofton House, Rathcave, Tulsk | €240,500 | 2023-09-04 |
| Croghan Cross, Croghan, Roscommon | €69,000 | 2021-09-17 |
| Croghan Rd, Carrick On Shannon, Roscommon | €361,000 | 2026-08-25 |
| Croghan Road, Elphin | €70,000 | 2013-01-18 |
| Croghan, Boyle | €61,674 | 2013-08-21 |
| Croghan, Boyle, Co Roscommon | €133,000 | 2017-07-14 |
| Croghan, Boyle, Roscommon | €95,000 | 2015-09-22 |
| Cronin, Dysart, Co Roscommon | €40,000 | 2020-07-06 |
| Cronkell, Rooskey, Roscommon | €70,000 | 2025-07-25 |
| Crooderry, Knockvicar, Boyle | €160,000 | 2014-04-01 |
| Crooderry, Knockvicar, Roscommon | €187,500 | 2025-12-17 |
| Cross South, Ballaghaderreen, County Roscommon | €62,000 | 2021-04-30 |
| Cross, Edmondstown, Ballaghadereen | €200,000 | 2018-12-14 |
| Cross, Edmonstown, Ballaghadereen | €49,270 | 2014-09-17 |
| Crosshill, Arigna | €50,000 | 2011-10-18 |
| Crosshill, Arigna, Co. Roscommon | €40,000 | 2019-01-04 |
| Crosshill, Keadue, Boyle | €200,000 | 2023-05-04 |
| Crossna, Knockvicar, Boyle | €177,000 | 2026-01-13 |
| Crowsgap Sanfield, Knockcroghery, Roscommon | €180,000 | 2017-12-05 |
| Cruby Hill, Galway Rd, Roscommon | €305,000 | 2024-07-24 |