| Ceach Bain, Dublin Road, Dundalk | €280,000 | 2019-01-28 |
| Ceann Lios, The Twenties, Drogheda | €227,000 | 2017-05-16 |
| Cedar Gables, Jenkinstown, Dundalk | €555,000 | 2021-06-18 |
| Ceol An Uisce, North Commons, Carlingford | €480,000 | 2025-04-11 |
| Ceol Na Mara, Johnstown, Dunleer | €78,000 | 2022-03-03 |
| Ceol Na Mara, Newry St, Carlingford | €230,000 | 2021-03-11 |
| Channonrock, Carrick Road, Dundalk | €155,000 | 2010-08-09 |
| Channonrock, Dundalk | €290,000 | 2013-04-23 |
| Channonrock, Dundalk, Co Louth | €355,000 | 2018-10-03 |
| Channonrock, Dundalk, Louth | €183,000 | 2024-08-20 |
| Channonrock, Louth Village, Dundalk | €305,000 | 2021-08-06 |
| Channonrock, Louth, Dundalk | €185,000 | 2016-02-12 |
| Channonrock, Louth, Louth | €330,000 | 2020-03-06 |
| Chapel Cross, Dromiskin, Dundalk | €95,000 | 2018-12-10 |
| Chapel Garden, Carlingford, Louth | €128,000 | 2021-09-29 |
| Chapel Hill, Carlingford, Louth | €274,000 | 2025-12-12 |
| Chapel Hill, Dundalk St, Carlingford | €180,000 | 2019-02-08 |
| Chapel Hill, Knochnagoran, Omeath | €250,000 | 2023-03-02 |
| Chapel Hill, Knocknagoran, Omeath | €360,000 | 2023-03-24 |
| Chapel Hill, Omeath | €155,000 | 2011-10-21 |
| Chapel Hill, Omeath, Knocknagoran | €210,000 | 2021-07-19 |
| Chapel Pass Blackrock, Blackrock, Louth | €900,000 | 2025-10-16 |
| Chapel Pass, Blackrock | €494,000 | 2010-08-30 |
| Chapel Pass, Blackrock, Dundalk | €580,000 | 2025-07-03 |
| Chapel Rd, Clogherhead, Louth | €340,000 | 2022-11-24 |
| Chapel Rd, Dromiskin, Dundalk | €130,000 | 2017-04-26 |
| Chapel Rd, Dromiskin, Louth | €207,000 | 2014-06-06 |
| Chapel Rd, Haggardstown, Blackrock | €332,000 | 2021-06-29 |
| Chapel Rd, Haggardstown, Dundalk | €530,000 | 2023-02-02 |
| Chapel Road, Clogherhead | €25,000 | 2010-12-20 |
| Chapel Road, Clogherhead, Co Louth | €255,000 | 2014-07-30 |
| Chapel Road, Clogherhead, County Louth | €137,500 | 2018-09-27 |
| Chapel Road, Dromiskin, Dundalk | €447,500 | 2026-03-20 |
| Chapel Street, Dundalk | €650,000 | 2013-01-07 |
| Chapelroad, Haggardstown, Dundalk | €320,000 | 2017-11-09 |
| Charelville, Dunleer, Co Louth | €200,000 | 2022-05-06 |
| Charlestown Church, Ardee | €375,000 | 2015-09-24 |
| Charlestown, Ardee | €215,000 | 2013-09-23 |
| Charlestown, Ardee, County Louth | €175,000 | 2018-11-27 |
| Charlestown, Louth | €157,000 | 2015-01-30 |
| Charlestown, Tallanstown Dundalk, Louth | €260,000 | 2016-11-15 |
| Charlestown, Tallanstown, Co Louth | €40,000 | 2015-08-28 |
| Charlestown, Tallanstown, Dundalk | €500,000 | 2026-01-16 |
| Charleville House, Dunleer, Louth | €466,666 | 2023-03-02 |
| Charleville, Dunleer, Co Louth | €171,000 | 2026-03-13 |
| Charleville, Dunleer, Louth | €622,000 | 2022-08-15 |
| Cherrygarth, Newtownstalaban, Drogheda | €500,000 | 2025-08-20 |
| Cherrygrove, Point Rd, Dundalk | €175,000 | 2026-05-29 |
| Cherrymount Cottage, Donore Rd, Drogheda | €140,000 | 2021-03-26 |
| Chesnut, Reaghstown, Ardee | €280,000 | 2021-08-12 |
| Chester House, Fairgreen, Drogheda | €145,000 | 2021-06-08 |
| Choc Na Greine Tullycullen, Drogheda, Louth | €178,500 | 2019-07-09 |
| Chord Rd, Drogheda, Louth | €125,000 | 2026-04-24 |
| Christianstown, Readypenny, Co Louth | €127,000 | 2020-09-28 |
| Christianstown, Readypenny, Dundalk | €417,000 | 2024-08-30 |
| Church Rd, Balriggan, Kilcurry | €620,000 | 2026-03-27 |
| Church Street, Collon, County Louth | €71,000 | 2014-09-26 |
| Churchill, Ardee, County Louth | €170,000 | 2019-07-02 |
| Churchtown, Ardee | €204,000 | 2012-12-21 |
| Churchtown, Ardee, Louth | €690,000 | 2022-11-16 |
| Cie Station House, Ardee, Louth | €200,000 | 2022-09-21 |
| Cilldara, Milltown, Sandpit | €475,000 | 2021-09-17 |
| Circle T Ranch, Little Rd, Dromiskin | €330,000 | 2019-01-25 |
| Claddagh, Drumcar, Dunleer | €202,000 | 2014-02-27 |
| Clanalark House, Rathcor, Riverstown | €460,000 | 2022-06-30 |
| Clanrye, Carlingford, Louth | €755,000 | 2025-09-16 |
| Clanrye, Carrick Road, Dundalk | €280,000 | 2018-09-20 |
| Claremont, Haynestown, Dundalk | €70,000 | 2014-02-07 |
| Claret Rock, Faughart, Dundalk | €160,000 | 2026-08-18 |
| Claristown House, Julianstown, Louth | €600,000 | 2015-11-26 |
| Clarkestown Lane, Beaulieu Cross, Drogheda | €290,000 | 2014-12-03 |
| Cleeve Hill, Crosslanes, Drogheda | €250,000 | 2024-05-01 |
| Clermont Park, Hagartstown, Dundalk | €275,000 | 2020-01-22 |
| Clermont Park, Haggardstown, Dundalk | €300,000 | 2015-07-09 |
| Clermont Park, Heyenstown, Dundalk | €295,000 | 2023-02-03 |
| Clermont, Blackrock, Dundalk | €440,000 | 2023-11-20 |
| Clermount, Hynestown, Dundalk | €685,300 | 2026-02-13 |
| Cloc Mor, Glenmore, Riverstown | €350,000 | 2018-04-26 |
| Clonard, Demense Road, Dundalk | €46,000 | 2014-04-02 |
| Clonard, Dublin Rd, Dundalk | €175,000 | 2015-10-19 |
| Clonmore, Togher, Drogheda | €282,500 | 2019-05-30 |
| Clonmore, Togher, Louth | €120,000 | 2014-04-17 |
| Cloonagh, Ravensdale Village, Dundalk | €420,000 | 2016-06-24 |
| Cluanin, Sheepgrange, Drogheda | €375,000 | 2016-08-09 |
| Cluide Cottage, Cluide, Dunleer | €131,050 | 2018-10-22 |
| Cluide Lodge, Cluide, Dunleer | €810,000 | 2023-11-13 |
| Cluide, Dunlear, Louth | €287,500 | 2017-09-04 |
| Cnoc Na Si, Upper Jenkinstown, Dundalk | €290,000 | 2017-05-11 |
| Coach Cottage, Cockle Road, Monasterboice | €160,000 | 2011-01-07 |
| Coach House, 2 Castle St, Dundalk | €280,000 | 2022-11-25 |
| Coast Road, Mornington | €125,000 | 2010-10-06 |
| Coastguard House, Gyles Quay, Dundalk | €157,500 | 2025-07-10 |
| Cobpge, Dun Laoire, Co Louth | €195,000 | 2017-11-10 |
| Cocke Road, Monasterboice, Drogheda | €470,000 | 2017-11-07 |
| Cockle Rd, Monasterboice, Drogheda | €362,500 | 2021-02-17 |
| Cockle Rd, Tullyesker, Monasterboice | €330,000 | 2017-04-28 |
| Cocklehill, Blackrock, Dundalk | €280,000 | 2023-03-09 |
| Cois Croinn Saltown, Dundalk, Louth | €96,000 | 2017-12-01 |
| Cois Mara, Seapoint, Termonfeckin | €240,000 | 2022-05-19 |
| Colga, Ardee | €411,000 | 2026-01-12 |
| Colga, Reaghstown, Ardee | €75,000 | 2021-05-27 |
| Collon Rd, Monasterboice, Drogheda | €175,000 | 2014-05-27 |
| Collon, Co. Louth | €15,000 | 2019-06-21 |
| Collon, County Louth | €10,000 | 2013-09-25 |
| Collonbeg, Collon, Louth | €310,000 | 2014-12-11 |
| Colvey Hill, Monaster Boice, Drogheda | €175,000 | 2020-11-11 |
| Commins Road, Dromskin, Dundalk | €305,000 | 2019-09-16 |
| Commons Cross, Dromiskin, Dundalk | €262,500 | 2025-02-25 |
| Commons Rd Dromiskin, Dundalk, Louth | €315,000 | 2024-12-19 |
| Commons Rd, Dromiskin | €210,000 | 2012-11-12 |
| Commons Rd, Dromiskin, Dundalk | €485,000 | 2024-08-23 |
| Commons Rd, Dromiskin, Louth | €310,000 | 2020-02-21 |
| Commons Road, Domiskin, Dundalk | €572,687 | 2026-03-05 |
| Commons Road, Dromiskin | €245,000 | 2010-05-28 |
| Commons Road, Dromiskin, Dundalk | €152,500 | 2023-05-12 |
| Commons, Carlingford, Louth | €243,000 | 2014-12-18 |
| Commons, Dromiskin | €70,000 | 2010-11-29 |
| Commons, Dromiskin, Dundalk | €375,000 | 2024-10-08 |
| Coneyburrow, Dunleer, Louth | €350,000 | 2018-03-06 |
| Conifer, Priorstate, Dundalk | €128,500 | 2021-04-30 |
| Connect Credit Union, Annagassan, Annagassan | €300,000 | 2024-06-07 |
| Convent Of Mercy, Ardee, Co Louth | €925,000 | 2021-01-20 |
| Cookspark Collon Road, Dunleer, Co Louth | €80,000 | 2022-03-07 |
| Cookspark, Dunleer, Louth | €170,000 | 2015-05-13 |
| Cookstown Cross Carrick Rd, Ardee, Louth | €279,000 | 2020-01-27 |
| Cookstown Cross, Ardee, Louth | €265,000 | 2015-04-10 |
| Cookstown, Ardee, Co Louth | €280,000 | 2022-12-16 |
| Cookstown, Ardee, County Louth | €180,000 | 2021-01-14 |
| Cookstown, Ardee, Louth | €340,000 | 2025-06-11 |
| Coolcreedan, Louth Village | €130,000 | 2012-11-29 |
| Coole, Ardee, Co. Louth | €230,000 | 2019-07-19 |
| Cooley Close, Cooley Bridge, Drogheda | €187,500 | 2018-02-27 |
| Cooley Lodge West, Mountbagnal, Riverstown | €123,760 | 2018-10-01 |
| Cooley Lodge, Dales, Clogherhead | €1,050,000 | 2026-03-26 |
| Coolfore Lodge, Monasterboice, Drogheda | €733,000 | 2017-05-09 |
| Coolfore, Drogheda, Louth | €300,000 | 2021-03-11 |
| Coolfore, Monasterboice, Co Louth | €65,000 | 2021-08-30 |
| Coolfore, Monasterboice, Drogheda | €650,000 | 2025-12-04 |
| Coolfore, Monasterboice, Louth | €295,000 | 2017-07-19 |
| Coolshanagh, Avenue Road, Dundalk | €357,500 | 2021-09-24 |
| Coolstown House, Greenmount, Castlebellingham | €406,545 | 2022-02-28 |
| Coopers Cross, Castlebellingham, Co Louth | €92,000 | 2020-12-21 |
| Copthorne, Long Avenue, Dundalk | €107,250 | 2013-05-10 |
| Corbetestown, Castlejordan, Co Offaly | €135,000 | 2025-08-20 |
| Corcreaghy, Dundalk, Louth | €320,000 | 2021-02-23 |
| Corderry Lodge, Corderry, Knockbridge | €350,000 | 2026-06-19 |
| Corderry, Knockbridge | €99,000 | 2010-08-24 |
| Corderry, Knockbridge, Dundalk | €285,000 | 2025-01-15 |
| Corderry, Readypenny, Dundalk | €325,000 | 2010-08-10 |
| Cordoogan, Monasterboice, Tullyallen | €430,000 | 2026-03-30 |
| Corlisbane, Collon, County Louth | €465,000 | 2024-08-12 |
| Cormorant Lodge, Annagassan, Dunleer | €750,000 | 2026-03-26 |
| Cornamucklagh, Omeath | €137,500 | 2012-10-16 |
| Cornamucklagh, Omeath, Co Louth | €225,000 | 2022-09-07 |
| Cornamucklagh, Omeath, Louth | €75,000 | 2024-03-20 |
| Corner House, John St, Ardee | €330,000 | 2021-05-24 |
| Corrakit, Omeath, Co Louth | €190,000 | 2020-12-15 |
| Corrakitt, Omeath, Dundalk | €385,000 | 2026-06-26 |
| Corstown, Dunleer, Co Louth | €600,000 | 2024-06-20 |
| Corstown, Dunleer, Louth | €385,000 | 2015-07-08 |
| Cortial, Kilberley, Dundalk | €225,000 | 2014-09-19 |
| Cortial, Kilkerla, Dundalk | €150,000 | 2018-02-22 |
| Cortial, Kilkerley, Dundalk | €310,000 | 2025-09-02 |
| Cosy Cottage, Old Golflinks Road, County Louth | €510,000 | 2021-11-29 |
| Cottage 1 Coastguard House, Newry Street, Dundalk | €355,000 | 2021-09-17 |
| Cottage 1, Littlegrange, Drogheda | €150,000 | 2017-11-02 |
| Cottage @ Carrickcarnan, Dundalk, Co Louth | €125,000 | 2010-05-20 |
| Cottage At Leminagh, Carlingford, Louth | €100,000 | 2014-11-06 |
| Cottage At Proleek Acres, Ravensdale, Dundalk | €150,000 | 2013-05-22 |
| Cottage Avenue, Sandy Lane, Blackrock Dundalk | €277,000 | 2021-12-17 |
| Cottage, Ballinteskin, Co. Louth | €220,000 | 2012-04-19 |
| Cottage, Littlegrange, Drogheda | €100,000 | 2020-01-14 |
| Cottage, Newtownbalregan, Dundalk | €65,000 | 2019-08-20 |
| Cottage, Sheepgrange Tullyallen, Drogheda | €50,000 | 2020-01-03 |
| Courtbane, Hackballs Cross | €25,000 | 2015-12-18 |
| Courtbane, Hackballscross, Dundalk | €175,000 | 2025-09-03 |
| Courtbane, Hacksballcross, Dundalk | €318,000 | 2024-10-10 |
| Crab Cottage, Glaspistol, Clogherhead | €760,000 | 2026-04-14 |
| Cragside Drumnacarra, Ravensdale, Dundalk | €155,000 | 2017-08-21 |
| Craigowen, Dunmahon, Ardee Rd | €450,000 | 2024-10-02 |
| Cranbrook, Avenue Rd, Dundalk | €245,000 | 2010-11-15 |
| Crannard, Rathiddy Rd, Knockbridge Dundalk | €355,000 | 2021-05-28 |
| Cranog, Priorsgate, Louth Village | €185,000 | 2025-05-08 |
| Crevin, Main St, Castlebellingham | €140,000 | 2019-08-23 |
| Croc Mor, Carrickbaggot, Grangebellew | €390,000 | 2020-10-12 |
| Croc Mor, Grangebellew | €300,000 | 2011-09-02 |
| Croch Mor View, Carrickbaggot, Grangebellew | €465,000 | 2024-08-08 |
| Crockarainey, Drumcashel, Castlebellingham | €120,000 | 2020-12-17 |
| Crooked Street, Clougherhead, Co Louth | €92,000 | 2016-05-17 |
| Crossabeagh, Knockbridge, Dundalk | €620,000 | 2024-01-31 |
| Crossabeagh, Knockbridge, Louth | €240,000 | 2020-12-22 |
| Crossabeigh, Knockbridge, Dundalk | €116,000 | 2013-05-14 |
| Crossalaney, Carlingford, Louth | €544,000 | 2021-07-16 |
| Crosslanes, Drogheda, Louth | €650,000 | 2025-12-19 |
| Crowes Nest, Castlecoe Hill, Clogherhead | €279,000 | 2016-10-05 |
| Crowmartin, Ardee, Co Louth | €280,000 | 2020-12-14 |
| Cruicerath, Donore, Louth | €213,000 | 2017-07-04 |
| Cruicetown Clogherhead, Clogherhead, Louth | €290,000 | 2019-04-15 |
| Cruicetown, Clogherhead, Co Louth | €200,000 | 2024-12-16 |
| Crumlin, Mullharlin Rd, Haggardstown | €215,000 | 2018-09-28 |