| Clonfanlough, Athlone, Co Westmeath | €10,000 | 2017-03-29 |
| Clonfanlough, Ballnahown, Athlone | €114,000 | 2016-08-18 |
| Clongawney, Clonfanlough, Athlone | €125,000 | 2014-07-10 |
| Clongowna, Bealnamullia, Athlone | €50,000 | 2011-12-09 |
| Clongowney, Mullingar, Westmeath | €255,000 | 2023-07-19 |
| Clongowney, Old Dublin Road, Mullingar | €330,000 | 2019-05-27 |
| Clongowney, The Downs, Dublin Rd | €160,000 | 2015-05-05 |
| Clonicanant, Killucan, Westmeath | €340,000 | 2023-03-10 |
| Clonicavant, Killucan | €116,000 | 2012-10-28 |
| Clonicavant, Killucan, Westmeath | €350,000 | 2024-07-29 |
| Clonicivant, Killucan | €141,500 | 2011-08-25 |
| Clonickivant, Killucan | €260,000 | 2012-06-14 |
| Clonickivant, Killucan, Co Westmeath | €618,400 | 2025-10-17 |
| Clonkeen, Streete, County Westmeath | €26,000 | 2020-08-24 |
| Clonkeen, The Pidgeons, Westmeath | €150,000 | 2021-11-18 |
| Clonkilivant, Killucan, Westmeath | €385,000 | 2022-11-22 |
| Clonkill Mullingar, Mullingar, Westmeath | €220,000 | 2016-07-28 |
| Clonkill, Monilea, Mullingar | €385,000 | 2020-12-21 |
| Clonkill, Mullingar | €230,000 | 2012-12-21 |
| Clonleame, Delvin | €105,000 | 2016-03-23 |
| Clonleame, Delvin, Co. Westmeath | €165,000 | 2015-07-06 |
| Clonloist, Killucan, Co Westmeath | €81,000 | 2019-05-23 |
| Clonlost Killucan, Killucan, Westmeath | €362,500 | 2017-09-15 |
| Clonlost, Killucan | €200,000 | 2012-04-20 |
| Clonlost, Killucan, Co Westmeath | €458,000 | 2025-07-14 |
| Clonlost, Killucan, County Westmeath | €141,500 | 2022-11-11 |
| Clonlost, Killucan, Westmeath | €300,000 | 2026-07-09 |
| Clonmaskill, Delvin, County Westmeath | €235,000 | 2020-04-09 |
| Clonmellon, Navan, Co Westmeath | €185,000 | 2021-06-03 |
| Clonmoore, Mullingar, Westmeath | €200,000 | 2022-09-23 |
| Clonmore, Castledaly, Moate | €190,000 | 2019-03-05 |
| Clonmore, Castledaly, Westmeath | €315,000 | 2020-03-02 |
| Clonmore, Lismacaffrey, Westmeath | €280,000 | 2023-10-12 |
| Clonmore, Mullingar, Co Westmeath | €243,000 | 2024-08-21 |
| Clonmore, Mullingar, Westmeath | €290,000 | 2024-03-27 |
| Clonmorrill, Delvin, Westmeath | €150,000 | 2022-10-28 |
| Clonmoyle, Mullingar, Westmeath | €350,000 | 2015-01-09 |
| Clonnagapple House, Clonnagapple, Delvin | €155,770 | 2014-12-30 |
| Clonnageeragh, Castlepollard, Co Westmeath | €375,000 | 2024-05-30 |
| Clonreagh Killucan, Killucan, Westmeath | €380,000 | 2019-11-25 |
| Clonsingle, Ballinagor | €163,500 | 2013-09-05 |
| Clonsingle, Castletown Geoghegan, Westmeath | €235,000 | 2017-10-23 |
| Clonsura, Castletown-finea | €245,000 | 2022-08-11 |
| Clonteens, Castlepollard, Co Westmeath | €232,000 | 2020-12-01 |
| Clonteens, Castlepollard, Westmeath | €255,000 | 2016-04-15 |
| Clonybane, Ballymore, Co. Westmeath | €197,000 | 2026-09-22 |
| Clonydonnin, Castledaly, Moate | €140,000 | 2016-12-13 |
| Clonyegan, Mount Temple | €75,000 | 2012-11-15 |
| Clonyhague, Ballynagore, Co. Westmeath | €80,000 | 2025-01-08 |
| Clonyn, Delvin | €135,000 | 2012-05-23 |
| Clonyn, Delvin, Mullingar | €540,000 | 2025-05-30 |
| Clonyn, Delvin, Westmeath | €220,000 | 2024-09-05 |
| Clonyveey, Rathconrath | €50,000 | 2012-02-22 |
| Cloonagh, Ballinagore, Co. Westmeath | €253,000 | 2021-03-18 |
| Cloonagh, Ballinagore, Westmeath | €290,000 | 2025-09-05 |
| Cloonbonny, Athlone, Co Westmeath | €235,000 | 2017-03-23 |
| Clooncurra, Cartontroy, Athlone | €245,000 | 2016-12-21 |
| Cloonlara, Athlone Road, Mullingar | €925,000 | 2015-02-25 |
| Cloran And Corcullentry, Clonmellon | €124,500 | 2012-04-06 |
| Cloran, Athboy, Meath | €270,000 | 2023-06-08 |
| Cloran, Athboy, Westmeath | €345,000 | 2019-10-18 |
| Cloran, Clonmellon, Navan | €380,000 | 2018-09-19 |
| Clos Na Cille, Green Street, Castlepollard | €50,000 | 2014-07-03 |
| Cloughan Road, Cloughan Road, Killucan | €110,000 | 2024-03-07 |
| Cloughan, Mullingar | €235,000 | 2010-03-31 |
| Cloughanstown Rd, Raharney, Westmeath | €225,000 | 2018-05-29 |
| Cluain Fraoigh, Thomastown, Killucan | €65,000 | 2014-11-21 |
| Cnoc Feichin, Martinstown, Collinstown | €165,000 | 2018-12-18 |
| Cnoc Na Gaoithe, Griffinstown, Kinnegad | €362,500 | 2017-08-17 |
| Cnoc Na Ri, Vilanstown Gaybrook, Mullingar | €448,500 | 2021-04-08 |
| Cnockadoon House, Rostella, Kilbeggan | €390,000 | 2024-05-28 |
| Cobbs Cottage, Harbour St, Ballynacargy | €45,000 | 2019-10-08 |
| Coill Darach, Rosmead, Delvin | €360,000 | 2018-06-04 |
| Coill Rua, Ballymahon Road, Mullingar | €540,000 | 2014-08-18 |
| Cois Abhainn, Bracklin Little, Kilbeggan | €615,000 | 2020-10-14 |
| Coisabhainn, Ballykanock, Collinstown | €163,000 | 2021-07-09 |
| Coisloch, Creaghduff, Athlone | €485,000 | 2019-09-19 |
| Colehill, Kinnegad | €110,000 | 2014-01-16 |
| Colehill, Kinnegad, Westmeath | €440,000 | 2022-03-16 |
| Colehill, Sheahanagh, Kilbeggan | €25,000 | 2024-11-01 |
| Collierstown, Ballymahon, Westmeath | €140,000 | 2016-07-28 |
| Collinstown Road, Delvin, Co Westmeath | €149,000 | 2010-02-18 |
| Collinstown, Co Westmeath | €280,000 | 2024-05-31 |
| Collinstown, Mullingar, Co Westmeath | €250,000 | 2026-09-14 |
| Collinstown, Westmeath | €142,000 | 2016-08-12 |
| Colquin House, Main St, Kilbeggan | €136,000 | 2022-05-13 |
| Comagh Rd, Kilbeggan, Westmeath | €220,000 | 2024-12-17 |
| Commerstown, Collinstown, Westmeath | €222,000 | 2026-07-10 |
| Conlanstown, Ballynacargy, Co Westmeath | €126,500 | 2022-07-28 |
| Conlanstown, Ballynacargy, Westmeath | €65,000 | 2022-10-31 |
| Connolly St, Athlone, Co Westmeath | €78,000 | 2016-09-06 |
| Connolly St, Athlone, Westmeath | €35,000 | 2016-03-30 |
| Cooksborough, Cloughan, Mullingar | €300,000 | 2023-11-21 |
| Cool-na-gun, Lismacaffrey, Co. Westmeath | €85,000 | 2017-06-22 |
| Coola House, Grangegibbon, Kilbeggan | €245,000 | 2019-05-22 |
| Coola, Baylin, Athlone | €675,000 | 2025-12-05 |
| Coola, Mullingar Rd, Kilbeggan | €180,000 | 2018-11-29 |
| Coolaleena, Glasson, Athlone | €533,000 | 2023-12-14 |
| Coolalough, Horseleap, Moate | €160,000 | 2022-10-24 |
| Coolamber, Lismacaffrey, Mullingar | €60,000 | 2017-05-05 |
| Coolamber, Lismacaffrey, Westmeath | €232,450 | 2014-12-11 |
| Coolator, Rosemount, Moate | €150,000 | 2024-11-15 |
| Coolatore, Rosemount, Moate | €115,000 | 2019-04-17 |
| Coole Upper, Mullingar, Westmeath | €101,000 | 2017-12-06 |
| Coole, Co Westmeath | €51,000 | 2011-02-01 |
| Coole, County Westmeath | €30,000 | 2018-11-12 |
| Coole, Mulingar, Co Westmeath | €193,000 | 2022-12-12 |
| Coole, Mullingar, Co Westmeath | €310,000 | 2023-01-26 |
| Coole, Mullingar, Westmeath | €115,000 | 2018-08-24 |
| Cooleighter, Drumcree, Collinstown | €205,000 | 2026-05-26 |
| Cooleveen, Ballymahon Rd, Athlone | €270,000 | 2014-11-14 |
| Cooleveen, Ballymahon Road, Athlone | €26,875 | 2012-03-30 |
| Coolkerry, Ballymahon Rd, Athlone | €160,000 | 2020-11-11 |
| Coolnagun, Lismacaffrey, Westmeath | €250,000 | 2024-05-10 |
| Coolnagun, Rathowen, Westmeath | €30,000 | 2018-11-16 |
| Coolnahay, Slanemore, Mullingar | €150,000 | 2025-07-16 |
| Coolure, Coole | €50,000 | 2013-03-06 |
| Coolure, Coole, Co. Westmeath | €78,000 | 2024-09-11 |
| Coolure, Coole, Westmeath | €60,000 | 2025-09-16 |
| Coolvin, Tang, Ballymahon | €33,608 | 2018-10-05 |
| Coolvuck Lower, Athlone, Westmeath | €480,000 | 2025-05-30 |
| Coosan Point Road, Athlone, County Westmeath | €165,000 | 2021-01-06 |
| Coosan Point, Athlone, Westmeath | €526,000 | 2025-07-07 |
| Coosan Rd, Athlone, Westmeath | €270,000 | 2025-05-07 |
| Coosan Road, Athlone, Co. Westmeath | €350,000 | 2022-06-02 |
| Coosan West, Athlone, Westmeath | €460,000 | 2020-03-10 |
| Coosan, Athlone | €145,000 | 2012-06-08 |
| Coosan, Athlone, Co Westmeath | €270,000 | 2025-04-08 |
| Cooskboro, Cloughan, Mullingar | €275,000 | 2022-02-25 |
| Coralstown, Mullingar | €190,000 | 2011-03-23 |
| Coralstown, Mullingar, Co Westmeath | €213,333 | 2024-11-27 |
| Coralstown, Mullingar, Westmeath | €330,000 | 2023-05-19 |
| Corbally View, Carpenterstown, Castlepollard | €195,000 | 2023-02-15 |
| Corbally, Castlepollard, Westmeath | €52,000 | 2018-01-19 |
| Corbally, Gaybrook, Mullingar | €270,550 | 2017-03-22 |
| Corbeg, Ballinahown, Athlone | €176,000 | 2014-05-07 |
| Corbetstown, Killucan, Westmeath | €300,000 | 2024-11-04 |
| Corbetstown, Kilucan, Westmeath | €605,000 | 2026-09-18 |
| Corcloon, Milltownpass, Co Westmeath | €70,000 | 2026-04-13 |
| Corcloon, Milltownpass, Mullingar | €120,000 | 2020-12-22 |
| Corcloon, Milltownpass, Westmeath | €312,000 | 2024-02-14 |
| Corcloon, Miltownpass, Co Westmeath | €81,000 | 2020-07-17 |
| Coreally, Lismacaffrey, Mullingar | €195,000 | 2025-09-05 |
| Corgrove, Streamstown, Mullingar | €192,000 | 2019-09-13 |
| Cork Hill, Kinnegad, Co Westmeath | €125,000 | 2019-11-11 |
| Corkan, Ballynacargy, County Westmeath | €327,000 | 2025-07-04 |
| Corkhill, Mullingar Road, Kinnegad | €202,000 | 2021-09-17 |
| Corlis, The Pigeons, Ballymahon | €70,000 | 2017-04-25 |
| Cornacausk, Street Village, Co. Westmeath | €181,500 | 2020-02-03 |
| Cornacausk, Streete, Westmeath | €225,950 | 2018-08-03 |
| Cornacauske, Streete, Westmeath | €445,000 | 2022-09-30 |
| Cornaher House, Cornaher, Tyrrellspass | €210,000 | 2023-02-08 |
| Cornaher, Kilbeggan, Westmeath | €385,000 | 2026-02-04 |
| Cornamaddy, Athlone, Co Westmeath | €100,000 | 2026-06-30 |
| Cornamagh, Athlone | €500,000 | 2010-07-29 |
| Cornamagh, Athlone, Co Westmeath | €370,000 | 2026-07-03 |
| Cornamagh, Athlone, Westmeath | €375,000 | 2020-11-18 |
| Corner House, Bridge Street, Kilbeggan | €173,000 | 2023-09-12 |
| Cornmagh, Athlone, Westmeath | €152,000 | 2019-03-06 |
| Corr Cross, Walderstown, Athlone | €90,000 | 2022-04-22 |
| Corr, Walderstown, Athlone | €245,000 | 2021-07-02 |
| Corralanna, Lismacaffrey | €67,000 | 2015-04-07 |
| Correagh, Kilbeggan, Co Westmeath | €95,000 | 2023-09-04 |
| Correagh, Mount Temple, Moate | €165,000 | 2018-11-05 |
| Correally, Lismacaffrey, Westmeath | €170,000 | 2018-02-02 |
| Correally, Streete, Co Westmeath | €100,000 | 2026-08-27 |
| Correaly, Lismacaffrey, Mullingar | €56,000 | 2020-05-15 |
| Corry, Rathowen | €95,000 | 2013-10-04 |
| Corrydonlon, Rathowen | €135,000 | 2010-07-19 |
| Corrydonlon, Rathowen, Co Westmeath | €215,000 | 2025-10-03 |
| Corrydonlon, Rathowen, Mullingar | €83,000 | 2020-03-16 |
| Corrydonlon, Rathowen, Westmeath | €275,000 | 2020-07-20 |
| Corrydonnellan, Rathowen, Co. Westmeath | €85,000 | 2020-03-05 |
| Corrydonnellan, Rathowen, Westmeath | €64,000 | 2015-08-17 |
| Coshogle, Clonbonny, Athlone | €420,000 | 2026-02-09 |
| Cottage 1, Pound Street, Collinstown | €62,000 | 2024-12-16 |
| Cottage 10262F, Multyfarnham Rd, Coole | €142,000 | 2020-08-18 |
| Cottage, Castlepollard | €20,000 | 2011-10-27 |
| Cottage, Killinagh, Rathowen | €205,000 | 2022-06-03 |
| Cotton Hall, Moneen, Moate | €615,000 | 2024-04-15 |
| Courner House, Milltown Pass, Co Westmeath | €60,000 | 2023-05-26 |
| Court Devenish House, Court Devenish, Athlone | €800,000 | 2022-11-11 |
| Court Devenish, Athlone | €165,000 | 2014-09-12 |
| Coyne, Castletown Geoghegan | €48,190 | 2011-08-03 |
| Craddenstown Lodge, Raherney, Westmeath | €640,000 | 2024-11-12 |
| Craddenstown, Raharney | €38,000 | 2013-08-23 |
| Craddenstown, Raharney, Co Westmeath | €360,000 | 2024-12-20 |
| Craddenstown, Raharney, County Westmeath | €46,000 | 2017-05-25 |
| Craddenstown, Raharney, Mullingar | €380,000 | 2024-08-27 |
| Craddenstown, Raharney, Westmeath | €385,000 | 2026-05-15 |
| Craigs House, Tullynally Estate, Kiltoom | €155,000 | 2018-04-24 |
| Cran Cam Drum, Athlone, Westmeath | €320,000 | 2016-12-13 |
| Creaghduff House, Coosan, Athlone | €34,000 | 2023-03-01 |
| Creaghduff, Coosan Point Road, Athlone | €150,000 | 2015-02-04 |
| Creaghduff, Coosan Point, Athlone | €300,000 | 2026-01-12 |
| Creaghduff, Coosan, Athlone | €770,000 | 2026-08-21 |
| Creevagh, Ballykeeran, Athlone | €340,000 | 2016-09-09 |
| Creeve, Ballyboran, Baylin | €240,000 | 2021-01-20 |
| Creeve, Mount Temple, Moate | €130,000 | 2018-12-18 |
| Creeve, Mount Temple, Westmeath | €60,000 | 2021-10-29 |