| Cabragh, Rathlee | — | 5 |
| Cahermore, Enniscrone | — | 9 |
| Cahermore Holiday Village, Enniscrone | €158,000 | 20 |
| Cahermore Holiday Village, Inniscrone | — | 10 |
| Carraig Abhainn, Ballisdoare | — | 8 |
| Carraig Abhainn, Ballisodare | €286,344 | 61 |
| Carrentubber, Tubbercurry | — | 5 |
| Carrickbanagher, Drumfin | — | 6 |
| Carrigans Lower, Ballymote | — | 8 |
| Carrigans Upper, Ballymote | €110,000 | 14 |
| Carrowcarden, Enniscrone | — | 5 |
| Carrowhubbock South, Enniscrone | — | 5 |
| Carrowhubbock South, Inniscrone | — | 5 |
| Carrownanty, Ballymote | — | 5 |
| Castle Burn, Ballymote | €230,000 | 11 |
| Castle Cove, Collooney | — | 6 |
| Castle Grove, Ballymote | — | 12 |
| Castleburn, Ballymote | — | 6 |
| Castlegrove, Ballymote | — | 8 |
| Ceol na Mara, Cliffoney | — | 24 |
| Cherry Tree Park, Riverstown | — | 13 |
| Cherrytree Park, Riverstown | — | 8 |
| City Gate, Connolly Street | — | 7 |
| City Gate, Mail Coach Rd | €163,000 | 7 |
| Claddagh, Aclare | — | 5 |
| Clara Court, Farmhill | — | 10 |
| Claragh Glen, Tonaphubble | — | 6 |
| Clarion Road, Ballytivnan | €103,000 | 37 |
| Clarion Village, Ballytivan | — | 15 |
| Clarion Village, Ballytivnan | — | 6 |
| Clarion Village, Clarion Rd | €103,000 | 6 |
| Cloch Oir, Carney | — | 5 |
| Cloonagashel, Ballymote | — | 6 |
| Cloondara, Ballisodare | €277,000 | 40 |
| Cloonshanbally, Culfadda | — | 6 |
| Cnoc na Ri, Top Road | — | 19 |
| Cnoc Na Ri, Strandhill | — | 7 |
| Cnoc Na Si, Rathscanlon | — | 6 |
| Cnoc Na Sí, Tubbercurry | — | 16 |
| Coill Dara, Ballina Road | — | 7 |
| Coill Dara, Tubbercurry | — | 13 |
| Cois Abhainn, Bellaghy | — | 6 |
| Cois Abhainn, Collooney | €105,000 | 18 |
| Cois Abhainn, Dublin Rd | — | 7 |
| Cois Inbhear, Markievicz Road | €171,000 | 9 |
| Cois Na Habhainn, Gurteen | €197,000 | 17 |
| Colgagh, Calry | — | 5 |
| Copper River, Ballinode | — | 6 |
| Corn Mill Park, Ballymote | €113,000 | 25 |
| Cornmill, Ballymote | — | 11 |
| Cornmill, Gurteen Rd | — | 5 |
| Cornmill Park, Ballymote | €112,000 | 25 |
| Corradoo Cottages, Ballinafad | — | 6 |
| Correagh, Ballintogher | — | 5 |
| Cregg, Rosses Point | — | 5 |
| Cuil Bui, Cloonacool | — | 6 |
| Cuilmore, Gurteen | — | 6 |
| The Cloisters, Abbey Street | €100,000 | 12 |
| The Courtyard, Castledargan | — | 7 |
| The Crescent, Ballisodare | — | 5 |