| Caher Court, Caherwalter | — | 5 |
| Cahergal, Craughwell | — | 6 |
| Cahergowan, Claregalway | — | 5 |
| Caherlissakill, Monivea | — | 6 |
| Cahernaglass, Abbeyknockmoy | — | 6 |
| Caheronaun Park, Loughrea | — | 6 |
| Caheroyan Drive, Athenry | — | 9 |
| Caherwalter, Loughrea | — | 5 |
| Caireal Mor, Castlegar | €350,000 | 9 |
| Caireal Mor, Headford Road | €270,000 | 50 |
| Caiseal Cam, Roscam | €418,275 | 34 |
| Caiseal Eala, Spanish Parade | — | 9 |
| Caiseal Laigheann, Deerpark | — | 7 |
| Caislean Cuirte, Corofin | — | 7 |
| Caislean Laighean, Deerpark | — | 6 |
| Caislean Laighean, Headford | — | 6 |
| Caislean Oir, Athenry | €303,500 | 29 |
| Caislean Ri, Athenery | — | 6 |
| Caislean Ri, Athenry | €259,000 | 23 |
| Caislean Ri, Tuam Road | — | 5 |
| Caislean Thorlaigh, Doughiska | €265,000 | 30 |
| Caisleann Laigheann, Deerpark | — | 7 |
| Caladh Mor, Woodquay | — | 6 |
| Calla, Roundstone | — | 5 |
| Camillaun Park, Newcastle | — | 7 |
| Camp Street, Oughterard | — | 6 |
| Cannons Lane, Clifden | — | 10 |
| Canrawer Court, Oughterard | — | 6 |
| Cappanaveagh, Lenaboy Ave | — | 5 |
| Cardinal Cushing Road, Mervue | — | 5 |
| Carn Ard, Circular Road | — | 6 |
| Carnacregg, Moylough | — | 5 |
| Carnmore, Oranmore | €425,000 | 13 |
| Carra, Bullaun | — | 9 |
| Carragh Hill, Knocknacarra | — | 7 |
| Carraig an Iolar, Freeport | — | 6 |
| Carraig Geal, Loughrea | €230,000 | 24 |
| Carraig Linn, Loughrea | €272,305 | 37 |
| Carraig Mor, Caheronaun | €255,000 | 10 |
| Carraig Mor, Lackagh | — | 10 |
| Carraig Mor, Loughrea | €280,000 | 15 |
| Carraig More, Lackagh | €345,000 | 6 |
| Carraig Palmer, Quincentennial Dr | €235,000 | 9 |
| Carraig Palmer, Salthill | — | 9 |
| Carraigweir, Tuam | — | 7 |
| Carrig Palmer, Salthill | — | 8 |
| Carrigeen, Clybaun Road | — | 11 |
| Carrigeen, Knocknacarra | — | 5 |
| Carrigweir, Tuam | €318,500 | 67 |
| Carrigweir, Weir Road | €270,000 | 27 |
| Carrowmanagh, Oughterard | — | 12 |
| Carrowmanagh Park, Oughterard | €280,000 | 13 |
| Carrownaseer, Dunmore | — | 5 |
| Cartur Mor, Clybaun Road | €370,000 | 78 |
| Cartur Mor, Knocknacarra | €460,000 | 12 |
| Cashel Court, Knocknacarra Road | — | 10 |
| Cashleen, Renvyle | — | 7 |
| Castan, Doughiska | €315,000 | 20 |
| Castan, Doughiska Rd | — | 5 |
| Castle Court, Abbey St | — | 11 |
| Castle Grounds, Corofin | — | 6 |
| Castle Park, Ballybane | €198,000 | 56 |
| Castle Street, Dunmore | — | 6 |
| Castleblakeney, Ballinasloe | — | 5 |
| Castleboy, Kilchreest | — | 8 |
| Castlecreevy, Corrandulla | €400,000 | 7 |
| Castlefarm, Dunmore | — | 5 |
| Castlegar, Mountbellew | — | 5 |
| Castlegrounds, Corofin | €290,000 | 17 |
| Castlelawn, Corrspark | — | 6 |
| Castlelawn, Glinsk | — | 5 |
| Castlelawn Heights, Headford Road | €325,000 | 62 |
| Castlepark, Ballybane | €220,389 | 19 |
| Castletaylor North, Ardrahan | — | 5 |
| Castleturvin, Athenry | — | 6 |
| Castleview, Headford | — | 8 |
| Ce na Mara, The Docks | — | 7 |
| Ce Na Mara, Bothar Na Long | €338,000 | 7 |
| Ce Na Mara, New Docks | — | 10 |
| Ceann Boirne, Ballybane Rd | — | 11 |
| Ceannt Avenue, Mervue | — | 6 |
| Ceathru an Tobair, Maree Road | — | 11 |
| Cedarwood Close, Highfield Park | — | 9 |
| Century Apts, Emerson Ave | — | 7 |
| Chapel Rd, Monivea | — | 9 |
| Cherry Park, Newcastle | €347,000 | 19 |
| Chestnut Close, Renmore | — | 8 |
| Church Hill, Ballinasloe | — | 7 |
| Church Street, Athenry | — | 5 |
| Church Street, Glenamaddy | — | 6 |
| Church Street, Gort | €217,000 | 12 |
| Church Street, Loughrea | €160,000 | 9 |
| Church View, Claregalway | €360,000 | 13 |
| Church View, Tuam | €230,000 | 10 |
| Churchfields, Lower Salthill | €415,000 | 13 |
| Cill Ard, Bohermore | €285,000 | 29 |
| Cillard, Bohermore | — | 5 |
| Cimin Mor, Cappagh Road | — | 11 |
| Circular Road, Tuam | — | 6 |
| Claí Mór, Old Monivea Road | €360,264 | 102 |
| Clan House, Dominick Street | — | 9 |
| Claremont, Circular Rd | — | 6 |
| Claremont Park, Circular Road | — | 11 |
| Claremont Park, Rahoon | €260,000 | 15 |
| Claremount, Oughterard | €385,000 | 13 |
| Clareview Park, Ballybane | €213,000 | 30 |
| Cleaghmore, Ballinasloe | €200,000 | 15 |
| Clifden Court, Clifden | €190,000 | 14 |
| Clifden Glen, Clifden | €141,000 | 90 |
| Clifden Glen, Couravoughil | — | 9 |
| Clifden Glen, Galway Rd | €153,750 | 24 |
| Clifden Station House, Clifden | €120,000 | 18 |
| Clifton Ave, Newcastle | — | 5 |
| Clifton Crescent, Newcastle | — | 7 |
| Cloch Ard, Bothair Stiofan | — | 5 |
| Cloch Ard, Bothar An Stiofan | — | 8 |
| Cloch Ard, Old Rahoon Rd | — | 7 |
| Cloch Chora, Corofin | €380,000 | 34 |
| Cloch Og, Oranmore | — | 13 |
| Clochog, Bog Rd | — | 5 |
| Clochog, Oranmore | €316,750 | 77 |
| Clochran, Kilcloghans | €200,727 | 61 |
| Clochran, Tuam | — | 10 |
| Clonboo, Corrandulla | — | 5 |
| Clonfert Avenue, Portumna | — | 6 |
| Cloon, Claregalway | — | 5 |
| Cloon, Cleggan | — | 5 |
| Cloonacauneen, Claregalway | — | 8 |
| Cloonamore, Inishbofin | — | 8 |
| Cloonarkin Drive, Oranmore | — | 13 |
| Cloonboo, Corrandulla | — | 11 |
| Cloondalgan, Garrafrauns | — | 5 |
| Clooniffe, Moycullen | €430,000 | 13 |
| Cloonlyon, Ballygar | — | 5 |
| Cloonmore, Tuam | — | 5 |
| Cloonshecahill, New Inn | — | 11 |
| Cloosh, Kinvara | — | 6 |
| Clos an Iarnroid, Station Road | — | 10 |
| Clos Ard, Prospect Hill | — | 9 |
| Clos Na Heaglaise, Headford | €378,855 | 10 |
| Clostoken, Loughrea | €262,000 | 6 |
| Clough, Gurteen | — | 8 |
| Cluain Ard, Ballybrit | €253,500 | 29 |
| Cluain Dara, Ballymoneen Road | — | 6 |
| Cluain Dara, Knocknacarra | €400,000 | 18 |
| Cluain Lara, Athenry | — | 8 |
| Cluain Lara, Raheen | — | 10 |
| Cluain Mhor, Clybaun Road | — | 7 |
| Cluain Mor, Clybaun Road | — | 5 |
| cluain na cathrach, Caherroyn | €383,261 | 8 |
| Cluain na Cathrach, Athenry | €378,855 | 26 |
| Cluain na Cathrach, Caheroyan | — | 6 |
| Cluain Na Cathrach, Monivea Road | — | 5 |
| Cluain Ri, Athenry | €234,500 | 27 |
| Cluain Ri, Caheroyan | €263,500 | 10 |
| Cluain Riocaird, Castlegar | €277,000 | 12 |
| Cluain Riocaird, Headford Road | €262,833 | 72 |
| Cluain Riocard, Headford Road | — | 11 |
| Cluide, Corrandulla | — | 7 |
| Clybaun Ard, Clybaun Rd | — | 10 |
| Clybaun Court, Clybaun Road | €500,000 | 21 |
| Clybaun Court, Knocknacarra | — | 5 |
| Clybaun Heights, Knocknacarra | €590,000 | 14 |
| Clynagh, Carraroe | — | 7 |
| Cnoc an Chaisleain, Oranmore | €396,476 | 61 |
| Cnoc an Chaislean, Oranmore | €384,253 | 6 |
| Cnoc an Oir, Letteragh Road | €315,000 | 15 |
| Cnoc an Oir, Rahoon | €320,000 | 26 |
| Cnoc An Oir, Letteragh | — | 5 |
| Cnoc Fearnáin, Station Road | €449,541 | 5 |
| Cnoc Na Cille, Ballybane | — | 6 |
| Cnoc Na Cille, Ballybrit | — | 7 |
| Cnoc na gCaor, Abbeyknockmoy | — | 9 |
| Cnoc Na Greine, Furbo | — | 6 |
| Cnoc na nDealg, Convent Road | €330,397 | 17 |
| Cnoc na Ri, Clybaun Road | — | 16 |
| Cnocan na Craoibhe, Clybaun Road | €392,863 | 27 |
| Cnocan Rua, Moycullen | €330,000 | 20 |
| Coill Ard, Moycullen | €336,446 | 16 |
| Coill Clocha, Oranhill | €303,965 | 16 |
| Coill Clocha, Oranmore | €350,000 | 49 |
| Coill Mhara, Cappagh Road | — | 6 |
| Coill Tire, An Fiodan | — | 11 |
| Coill Tire, Doughiska | €290,000 | 87 |
| Coillte Mhuirlinne, Ballybane | €225,000 | 15 |
| Cois An Eolais, St Brigids Rd | — | 5 |
| Cois Chlair, Claregalway | €179,500 | 19 |
| Cois Furain, Cosmona | — | 20 |
| Cois Furain, Loughrea | — | 17 |
| Cois na hAbhainn, Abbeyknockmoy | — | 12 |
| Cois na hAbhainn, Ballygaddy Road | €215,000 | 93 |
| Cois Na Habhainn, Tuam | €210,000 | 18 |
| Cois Na Habhann, Bridge Rd | — | 8 |
| Cois Na Mona, Oranmore | — | 8 |
| Coldwood, Craughwell | — | 5 |
| College Court, College Green | — | 5 |
| College Green, Dunmore Road | €299,000 | 28 |
| College Green, Saint Bridget'S Road Portumna | — | 5 |
| Collinamuck, Rosscahill | — | 6 |
| Colmcille Road, Shantalla | €387,500 | 16 |
| Commerce Court, Flood Street | €340,000 | 15 |
| Cong Rd, Headford | — | 5 |
| Connemara Way, Westport Rd | — | 20 |
| Connolly Terrace, Bohermore | — | 8 |
| Coogan park, Newcastle | — | 9 |
| Cookes Terrace, Bohermore | €296,000 | 19 |
| Coole Haven, Crowe St | — | 5 |
| Coole Haven, Gort | €182,000 | 37 |
| Cooloo, Moylough | — | 18 |
| Coolreagh, Togher | — | 6 |
| Cor Boise, Tuam Rd | — | 8 |
| Corbally, Cummer | — | 12 |
| Corbally North, Cummer | — | 7 |
| Corcullen, Moycullen | — | 9 |
| Cornarone, Inverin | €305,000 | 9 |
| Corofin, Cummer | €223,500 | 9 |
| Corrach Bui, Rahoon | — | 8 |
| Corrach Building, Rahoon | — | 5 |
| Corrafaireen, Ballyglunin | — | 7 |
| Corrib House, Willow Park | — | 7 |
| Corrib Park, Newcastle | €332,500 | 56 |
| Corrib Terrace, Woodquay | — | 11 |
| Corskeagh, Gurteen | — | 5 |
| Coscorrig Crescent, Loughrea | €210,000 | 20 |
| Cosmona, Loughrea | €175,000 | 17 |
| Costa na Mara, Coast Road | €337,000 | 18 |
| Costa na Mara, Oranmore | €340,000 | 72 |
| Costello Rd, Shantalla | — | 7 |
| Cottage Hill, Loughrea | €114,537 | 6 |
| Country Meadows, Cloonthue | €165,000 | 22 |
| Country Meadows, tuam | €167,500 | 45 |
| Court Ave, Woodquay | — | 7 |
| Courthouse Sq, Galway Rd | — | 5 |
| Courthouse Square, Clifden | — | 10 |
| Cova Da Iria, 105 Salthill | €455,000 | 5 |
| Cova Da Iria, 105 Upper Salthill | €511,013 | 36 |
| Cre Na Cille, Tynagh | — | 5 |
| Creagan, Barna | €392,000 | 60 |
| Cregán, Barna | — | 6 |
| Creganna, Oranmore | — | 5 |
| Cregboy, Claregalway | €371,000 | 15 |
| Cregclare, Ardrahan | — | 6 |
| Cregg, Oughterard | — | 10 |
| Cregg Close, Oughterard | — | 6 |
| Cregg Na Coille, Oughterard | €278,500 | 19 |
| Cregg View, Oughterard | €285,000 | 7 |
| Creggaun, Craughwell | — | 7 |
| Cregmore, Claregalway | — | 15 |
| Creig na Coille, Oughterard | €178,500 | 15 |
| Crescent Court, Father Griffin Rd | €370,000 | 11 |
| Crescent Court, Fr Griffin Road | €250,000 | 17 |
| Crescent Green, The Crescent | — | 7 |
| Crescent View, Riverside | €315,000 | 11 |
| Crestwood, Coolough Road | €350,000 | 20 |
| Cricket Court, Dunmore Road | €298,500 | 12 |
| Crinnage, Craughwell | €519,500 | 9 |
| Croi an Bhaile, Carrabane | — | 19 |
| Croit Na Mara, Quincentennial Drive | €435,000 | 24 |
| Croit Na Mara, Salthill | — | 6 |
| Cross St., Loughrea | €148,750 | 11 |
| Cross Street, Athenry | — | 6 |
| Crowe St, Gort | €130,000 | 20 |
| Cruachan Park, Rahoon | €505,000 | 19 |
| Crumlin, Ballyglunin | — | 10 |
| Crushoa, Kinvara | — | 6 |
| Cuan an Oir, Kinvara | — | 9 |
| Cuan Glas, Bishop Odonnell Rd | €416,000 | 13 |
| Cuan na Coille, Fort Lorenzo | €320,000 | 18 |
| Cuas na hEala, Barna Road | €748,899 | 7 |
| Cuil An Ath, Barna | €420,000 | 8 |
| Cuil An Ath, Bearna | — | 5 |
| Cuil Na Canalach, Pollboy | €142,907 | 8 |
| Cuil Na Canalach, Poolboy | €229,500 | 7 |
| Cuil Na Canalacht, Poolboy | — | 6 |
| Cuilin, Roundstone | — | 9 |
| Cuirt An Dolain, Fairhill Court | — | 7 |
| Cuirt Bhoirne, Curragrean | €365,639 | 28 |
| Cuirt Bhoirne, Roscam | €396,233 | 16 |
| Cuirt Bhreac, Gort | — | 11 |
| Cuirt Cheirin, Circular Road | — | 11 |
| Cuirt Cregg, Clifden | — | 7 |
| Cuirt Cregg, Galway Road | €270,000 | 10 |
| Cuirt Eanna, Long Walk | — | 10 |
| Cuirt na Cora, Weir Road | — | 5 |
| Cuirt na hAbhainn, Claregalway | €331,500 | 25 |
| Cuirt na hAbhainn, Lakeview | — | 59 |
| Cuirt Na Habhann, Claregalway | €345,000 | 10 |
| Cuirt na Rasai, Ballybrit | €230,000 | 38 |
| Cuirt na Tra, Salthill | — | 11 |
| Cuirt Seoige, Bohermore | €280,000 | 65 |
| Cul Aitinn, Clybaun Road | €525,000 | 20 |
| cul an ath, barna | — | 5 |
| cul gharrai, bun an chnoic | €465,000 | 6 |
| Cul Gharrai, Rahoon | €399,800 | 16 |
| cul na coirre, headford | €274,890 | 17 |
| Cul Na Coirre, Church Road | €392,070 | 13 |
| Cul Na Gaoithe, Loughrea | — | 7 |
| Culgharrai, Rahoon | €383,260 | 5 |
| Cullairbaun, Athenry | — | 10 |
| Cullane, Carraroe | €140,000 | 8 |
| Cummer, Tuam | — | 8 |
| Curraghrevagh, Creggs | — | 5 |
| Curry, Cummer | — | 5 |
| The Cornstore, Middle St | — | 8 |