| Knockadrehid, Ballyfarnon, Boyle | €84,000 | 2025-07-10 |
| Knockadrehid, Kilmactranny, Ballyfarnon Boyle | €145,000 | 2022-12-22 |
| Knockadryan, Arigna, Carrick On Shannon | €50,000 | 2024-05-14 |
| Knockalaghta, Ballintubber, Castlerea | €175,000 | 2026-06-19 |
| Knockalaughta, Ballintubber, Roscommon | €338,000 | 2024-12-20 |
| Knockalegan, Castleplunkett, Castlerea | €40,000 | 2015-02-17 |
| Knockalochta, Ballintubber, Castlerea | €90,000 | 2012-09-14 |
| Knockanyconor, Lecarrow | €92,000 | 2013-05-14 |
| Knockarush Boyle, Ireland, Roscommon | €350,000 | 2023-08-14 |
| Knockarush, Boyle | €61,791 | 2015-09-25 |
| Knockarush, Boyle, Co Roscommon | €50,000 | 2023-12-20 |
| Knockarush, Boyle, County Roscommon | €30,000 | 2016-12-01 |
| Knockarush, Boyle, Roscommon | €240,000 | 2022-01-10 |
| Knockavroe, Boyle, Roscommon | €90,000 | 2014-11-14 |
| Knockcrogherty, Co Roscommon | €45,000 | 2017-08-23 |
| Knockcroghery, Co Roscommon | €90,000 | 2023-12-15 |
| Knockcroghery, Roscommon | €82,500 | 2021-06-02 |
| Knockdaumore, Loughrea, Co. Galway | €290,000 | 2014-12-16 |
| Knockeroghery, Roscommon, Roscommon | €91,000 | 2020-06-30 |
| Knockglass Ballinameen Boyle, Roscommon | €100,000 | 2026-09-04 |
| Knockglass, Ballinameen | €44,053 | 2013-09-24 |
| Knockglass, Ballinameen, Boyle | €70,000 | 2022-11-04 |
| Knockglass, Ballinameen, Co Roscommon | €58,000 | 2022-09-06 |
| Knockhall, Rooskey | €15,000 | 2012-12-21 |
| Knockhall, Rooskey, Co Roscommon | €20,000 | 2014-07-03 |
| Knockhall, Rooskey, Roscommon | €315,000 | 2024-11-18 |
| Knockhall, Roosky, Carrick An Shannon | €67,000 | 2018-02-05 |
| Knockhall, Roosky, County Roscommon | €51,000 | 2023-06-09 |
| Knockmaine, Athleague, Roscommon | €105,000 | 2018-09-21 |
| Knockmeane, Knockroghery, Roscommon | €182,000 | 2026-06-30 |
| Knocknacarrow, Boyle | €240,000 | 2010-07-26 |
| Knocknacarrow, Cootehall, Boyle | €94,000 | 2017-12-20 |
| Knocknacunny, Ballaghadereen, Roscommon | €188,000 | 2020-06-11 |
| Knocknacunny, Ballaghaderreen, Co. Roscommon | €25,000 | 2026-01-07 |
| Knocknacunny, Ballaghaderreen, Roscommon | €150,000 | 2025-09-01 |
| Knocknagowna, Roscommon | €53,000 | 2013-07-15 |
| Knocknanool, Brideswell, Athlone | €235,000 | 2015-08-06 |
| Knocknarush, Boyle, Co.roscommon | €237,500 | 2017-10-02 |
| Knocknashee, Boyle | €50,000 | 2012-09-17 |
| Knocknashee, Boyle, Co. Roscommon | €165,000 | 2021-12-21 |
| Knocknashee, Boyle, Roscommon | €190,000 | 2019-12-16 |
| Knockroe, Boyle, Roscommon | €135,000 | 2023-03-24 |
| Knockroe, Castlerea | €52,863 | 2013-08-12 |
| Knockroe, Castlerea, Co Roscommon | €525,000 | 2026-09-23 |
| Knockroe, Castlerea, County Roscommon | €70,000 | 2025-10-01 |
| Knockroe, Castlerea, Roscommon | €96,000 | 2024-04-23 |
| Knockskehan, Lecarrow | €265,000 | 2010-12-01 |
| Knockskehan, Roscommon | €220,000 | 2014-07-04 |
| Knockvicar, Boyle | €260,000 | 2014-06-18 |
| Knockvicar, Boyle, Roscommon | €256,000 | 2025-12-19 |
| Kye, Creeve, Elphin | €155,000 | 2022-04-27 |
| Kye, Elphin, Roscommon | €80,000 | 2023-11-17 |
| Kyleen East, Elphin, Roscommov | €200,000 | 2025-12-11 |
| Lack Tarmbarry, Roscommon | €180,000 | 2023-03-01 |
| Lack, Whitehall, Tarmonbarry | €30,000 | 2025-04-11 |
| Lackagh, Drumsna, Roscommon | €43,000 | 2020-08-12 |
| Lackan Lodge, Portrunny, Ballymurray | €363,000 | 2021-07-09 |
| Lacken, Ballymurray, Roscommon | €42,000 | 2020-06-08 |
| Ladybird Cottage, Roxborough, Roscommon | €75,000 | 2017-12-20 |
| Lagan Cross, Lecarrow, Kilglass | €265,000 | 2021-04-19 |
| Lahausk, Strokestown, Co Roscommon | €57,500 | 2024-10-24 |
| Lake Breeze, Lough Allen, Carrick On Shannon | €120,000 | 2023-08-04 |
| Lake House, Rathlenas, Ballinlough | €105,000 | 2018-10-26 |
| Lake Lodge, Fearagh, Ballymurray | €400,000 | 2020-07-10 |
| Lake View Cottage, Foxwood, Kilmore | €95,000 | 2016-05-25 |
| Lake View Heights, Ballinlough | €90,000 | 2013-03-08 |
| Lake View House, Lecarrow Kilglass, Strokestown | €80,000 | 2017-06-14 |
| Lake View, Rabbitboro, Ballinlough | €252,000 | 2025-10-02 |
| Lakelands, Roscommon Rd, Athlone | €150,000 | 2023-11-15 |
| Lakelands, Roscommon Road, Athlone | €68,000 | 2011-09-22 |
| Lakeside Cottage, Cavetown, Croghan | €150,000 | 2017-07-18 |
| Lakeside House, Barrymore, Athlone | €640,000 | 2013-02-15 |
| Lakeview Cottage, Knockdrumdonnell, Knockroghery | €300,000 | 2022-11-24 |
| Lakeview Cottage, Lecarrow, Strokestown | €50,000 | 2020-12-16 |
| Lakeview Heights, Ballinlough, Castlerea | €137,000 | 2018-04-04 |
| Lakeview House, Knockskehan, Lecarrow | €265,000 | 2021-05-19 |
| Lakeview House, Lecarrow, Kilglass | €80,000 | 2020-03-10 |
| Lakeview, Coolagarry, Curraghboy | €240,000 | 2020-07-03 |
| Lakeview, Roscommon Rd, Athlone | €140,000 | 2024-05-22 |
| Lakewood, Ballyleague, Lanesboro | €255,000 | 2023-04-27 |
| Lamura, The Rise, Hodson Bay | €510,000 | 2024-07-03 |
| Lands At Cloonaghbaun, Boyle | €13,000 | 2013-07-19 |
| Landscape, Curraghlaher, Lecarrow | €395,000 | 2021-09-27 |
| Landscape, Knockroe, Castlerea | €250,000 | 2015-01-16 |
| Lanesboro Road, Roscommon | €205,000 | 2010-07-16 |
| Lanesboro St, Roscommon, Co Roscommon | €55,000 | 2018-05-01 |
| Lanesboro St, Roscommon, Roscommon | €87,000 | 2019-10-03 |
| Lanesboro Street, Roscommon | €60,000 | 2011-10-06 |
| Lanesboro Street, Roscommon Town, County Roscommon | €15,000 | 2016-11-01 |
| Lanesborough St, Roscommon, Roscommon | €290,000 | 2025-06-09 |
| Lanesborough Street, Roscommon | €140,000 | 2025-08-13 |
| Laphoil School, Cootehall, Boyle | €160,000 | 2014-12-16 |
| Laragan Edmondstown, Ballaghaderreen, Roscommon | €120,000 | 2016-02-18 |
| Laragan, Edmonstown, Ballaghadereen | €99,950 | 2017-08-25 |
| Laragh House, Castlerea, Co Roscommon | €300,000 | 2019-08-15 |
| Laragh Ross, Ballintubber, County Roscommon | €40,000 | 2016-10-18 |
| Laragh X, Ross, Ballintubber Castlerea | €420,000 | 2026-03-03 |
| Laragh, Ballintoben, Roscommon | €31,000 | 2021-11-08 |
| Laragh, Ballintubber, Castlerea | €151,000 | 2024-10-01 |
| Larragh, Ballintubber, County Roscommon | €25,500 | 2018-12-22 |
| Larragh, Ballintubber, Roscommon | €35,000 | 2015-12-21 |
| Lauderhill, Ballyfarnon, Boyle | €163,750 | 2016-08-30 |
| Lavagh, Rooskey, Co Roscommon | €135,000 | 2017-11-30 |
| Lavagh, Rooskey, Roscommon | €350,000 | 2023-03-10 |
| Lavagh, Roosky, Co. Roscommon | €390,000 | 2023-11-17 |
| Lavagh, Roosky, Roscommon | €195,000 | 2021-05-26 |
| Lavender Cottage, Slevin, Tulsk | €90,000 | 2016-02-05 |
| Leam, Boyle, Co Roscommon | €60,000 | 2024-12-02 |
| Leam, Boyle, Roscommon | €295,000 | 2025-01-27 |
| Leamore, Ballymoe | €37,000 | 2013-09-06 |
| Leamore, Ballymoe, Roscommon | €65,000 | 2022-06-23 |
| Leawood, Curraghmore, Kiltoom Athlone | €487,000 | 2026-01-12 |
| Lecarrow Cottage, Carrownamaddy, Lecarrow | €174,000 | 2017-09-14 |
| Lecarrow, Ballintubber, Castlerea | €97,500 | 2023-06-28 |
| Lecarrow, Carrowbehy, Castlerea | €223,000 | 2026-07-13 |
| Lecarrow, Croghan, Boyle | €240,000 | 2025-05-07 |
| Lecarrow, Kilglass, Co Roscommon | €27,500 | 2020-04-09 |
| Lecarrow, Kilglass, Strokestown | €50,000 | 2020-02-28 |
| Lecarrow, Knockcroghery | €15,000 | 2012-10-02 |
| Lecarrow, Knockcroghery, Roscommon | €341,000 | 2025-10-17 |
| Lecarrow, Knockroe, Croghan Boyle | €171,000 | 2018-07-13 |
| Lees Cottage, Ballymore West, Boyle | €120,000 | 2021-01-06 |
| Legan, Kilglass, Roscommon | €62,500 | 2014-10-29 |
| Legatinty, French Park, Castlerea | €28,000 | 2018-05-17 |
| Leggatinty, Frenchpark | €30,000 | 2013-05-14 |
| Leggatinty, Frenchpark, Boyle | €36,000 | 2012-08-27 |
| Leggatinty, Frenchpark, Castlerea | €49,000 | 2021-06-30 |
| Leggatinty, Frenchpark, County Roscommon | €35,000 | 2017-04-20 |
| Leggienty, Frenchpark, Roscommon | €136,000 | 2023-01-25 |
| Leitrim, Fairymount, Castlerea | €55,000 | 2022-06-24 |
| Leitrim, Fairymount, Co Roscommon | €69,000 | 2024-08-16 |
| Leitrim, Fairymount, Roscommon | €90,000 | 2020-02-25 |
| Leitrim, Four Mile House, Roscommon | €60,000 | 2026-03-30 |
| Leitrim, French Park, Co Roscommon | €47,395 | 2026-07-24 |
| Leitrim, Frenchpark, County Roscommon | €68,000 | 2025-03-26 |
| Lenebane Avenue, Racecourse Road, Gallowstown | €240,000 | 2022-01-13 |
| Letfords Park, Boyle, Roscommon | €45,000 | 2018-08-28 |
| Lettreen, Strokestown, Co. Roscommon. | €115,000 | 2026-07-14 |
| Lettreen, Strokestown, Roscommon | €160,000 | 2023-06-27 |
| Liberty, Ballydangan, Athlone | €105,726 | 2012-12-19 |
| Lilyville, 1 Maple Close, Off Maple Dr | €247,500 | 2019-09-03 |
| Limekiln Cottage, Battlebridge | €50,000 | 2013-01-04 |
| Limekiln Cottage, Battlebridge, Carrick On Shannon | €115,000 | 2019-09-11 |
| Limestone Cottage, Lisnanarriagh, Lanesboro | €98,000 | 2018-05-18 |
| Linsfort, Main St, Boyle | €150,000 | 2015-05-07 |
| Lioneville, Main Street, Boyle | €200,000 | 2025-10-17 |
| Liosanuisce, Knockroe, Castlerea | €300,000 | 2026-05-29 |
| Lisacul Manor, Lisacul Village | €35,000 | 2014-12-22 |
| Lisacul Manor, Lisacul, Castlerea | €30,000 | 2012-10-05 |
| Lisacul, Ballaghadereen, Roscommon | €45,000 | 2021-06-16 |
| Lisacul, Castlerea | €72,000 | 2013-10-04 |
| Lisacul, Castlerea, Roscommon | €90,000 | 2026-03-18 |
| Lisacul, Co. Roscommon | €108,824 | 2023-09-28 |
| Lisacurkia, Tibohine, Castlerea | €137,000 | 2017-10-13 |
| Lisadorn, Elphin | €21,000 | 2010-06-03 |
| Lisagallan, Cloverhill, Roscommon | €270,000 | 2017-03-03 |
| Lisagallon, Cloverhill, Roscommon | €75,000 | 2023-07-28 |
| Lisalway, Castlerea | €82,000 | 2011-10-26 |
| Lisalway, Castlerea, Castlerea | €43,000 | 2012-11-06 |
| Lisalway, Castlerea, Co Roscommon | €44,000 | 2024-10-07 |
| Lisalway, Castlerea, County Roscommon | €45,000 | 2023-01-04 |
| Lisalway, Castlerea, Roscommon | €130,000 | 2021-11-17 |
| Lisaphuca, Strokestown, Co Roscommon | €58,000 | 2020-04-17 |
| Lisavaly, Lisacul, Castlerea | €66,000 | 2014-09-15 |
| Lisboy, Elphin, Roscommon | €260,000 | 2022-09-02 |
| Lisbrock Curraghboy, Athlone, Roscommon | €277,000 | 2017-10-03 |
| Lisbrock, Brideswell, Athlone | €88,000 | 2020-12-18 |
| Lisbrock, Brideswell, Roscommon | €211,000 | 2024-11-13 |
| Lisbrock, Kiltoom, Athlone | €90,000 | 2018-10-31 |
| Lisbrock, Kiltoom, County Roscommon | €60,000 | 2023-06-21 |
| Liscoffey, Athleague, County Roscommon | €110,000 | 2020-02-07 |
| Liscolvon, Hillstreet, Carrick On Shannon | €65,000 | 2011-12-16 |
| Lisdaly Croghan Boyle, Roscommon | €110,000 | 2019-03-08 |
| Lisdaly, Croghan, Boyle | €50,000 | 2026-08-28 |
| Lisdaulan, Knokcroghery, County Roscommon | €180,000 | 2020-12-21 |
| Lisdillure, Cornafulla, Athlone | €285,000 | 2019-09-12 |
| Lisdillure, Drum, Athlone | €260,000 | 2014-09-05 |
| Lisdrumneil, Fairymount | €64,000 | 2013-09-26 |
| Lisdrumneill, Fairymount, Castlerea | €72,500 | 2018-11-16 |
| Lisdrumneill, Toboian, Castlerea | €30,000 | 2016-11-10 |
| Lisdrumniel, Fairymount, Castlerea | €50,000 | 2020-10-13 |
| Lisdrumweil Fairymount, Castlerea, Roscommon | €280,000 | 2022-08-08 |
| Lisduff, Fairtmount, Castlerea | €22,000 | 2022-11-30 |
| Lisduff, Fairymount, Castlerea | €25,000 | 2022-11-30 |
| Lisduff, Mount Talbot, Roscommon | €145,000 | 2019-08-22 |
| Lisdullure, Athlone, Co Roscommon | €470,000 | 2021-03-31 |
| Lisergool, Tibohine, Castlerea | €38,000 | 2019-04-24 |
| Lisfelim, Knockcroghery | €286,344 | 2010-10-21 |
| Lisgallan, Cloverhill, County Roscommon | €180,000 | 2015-06-16 |
| Lisgallon, Roscommon, Co Roscommon | €14,000 | 2026-07-15 |
| Lisgarve, Elphin | €70,000 | 2012-11-15 |
| Lisgarve, Elphin, County Roscommon | €25,000 | 2018-05-31 |
| Lisheen View, Pound St, Ballaghadereen | €110,000 | 2022-08-10 |
| Lisheen, Castleplunket, Castlerea | €65,000 | 2015-12-22 |
| Lisheen, Castleplunkett, Castlerea | €30,000 | 2020-08-27 |
| Lisheen, Strokestown, Co Roscommon | €90,000 | 2025-01-28 |
| Lisheen, Strokestown, County Roscommon | €75,000 | 2012-05-28 |
| Lisheen, Strokestown, Roscommon | €46,667 | 2025-12-17 |
| Lishugh, Elphin, County Roscommon | €70,000 | 2025-12-16 |
| Lislea Cottage, Arigna, County Roscommon | €29,760 | 2023-08-11 |