| Lackanash, Navan Rd | — | 6 |
| Lackanash, Trim | €354,950 | 56 |
| Lackanash Estate, Trim | €372,500 | 9 |
| ladyrath, Wilkinstown | €290,000 | 9 |
| Laganara view, kentstown | €395,000 | 12 |
| Lagavooren Manor, Beamore Road | €357,000 | 19 |
| Lambay, Kilbride | — | 5 |
| Lamberstown Manor, Kilmessan | — | 7 |
| Langford Park, Summerhill | €506,607 | 41 |
| Langford Park Green, Summerhill | €616,740 | 6 |
| Laracor Drive, Summerhill | €370,044 | 8 |
| Larchfield, Dunboyne | €740,850 | 15 |
| Larchfield, Station Road | — | 9 |
| Larrix Court, Duleek | — | 9 |
| Larrix Street, Duleek | — | 7 |
| Ledwidge hall, Slane | €395,000 | 35 |
| Ledwidge Hall Apts, Slane | — | 9 |
| Ledwidge Hall Green, Slane | — | 7 |
| Leigh Valley, Ratoath | €470,000 | 30 |
| Leighsbridge, Commons Rd | — | 10 |
| Leshamstown, Drumree | — | 6 |
| Limekiln Hall, Dublin Road | — | 6 |
| Limekiln Wood, Dublin Road | €303,500 | 21 |
| Limekiln Wood, Navan | €314,000 | 37 |
| Limekiln Wood, Trim Rd | — | 6 |
| Lismullen, Garlow Cross | — | 9 |
| Lodge Drive, Donacarney Wood | — | 8 |
| Loman Street, Trim | — | 10 |
| Longwood, Enfield | — | 8 |
| Loughcrew Hills, Oldcastle | €235,000 | 24 |
| Loughcrew View, Oldcastle | — | 5 |
| Lougher, Duleek | — | 5 |
| Loughmore Square, Killeen Castle | — | 25 |
| Lower Courtyard, Headfort Demesne | — | 9 |
| Ludlow Street, Navan | — | 12 |
| The Lane, Fox Lodge Woods | €320,000 | 11 |
| The Lane, Foxlodge Woods | — | 8 |
| The Lane, Whitefield Manor | — | 9 |
| The Laurels, Avourwen | €321,586 | 48 |
| The Laurels, Avourwen Meadows | — | 7 |
| The Laurels, Rooske Road | — | 9 |
| The Lawn, Athlumney Abbey | — | 7 |
| The Lawn, Donacarney Wood | €325,948 | 17 |
| The Lawn, Highlands | — | 8 |
| The Lawn, Roseville | — | 8 |
| The Lawn, Whitefield Hall | — | 29 |
| The Lower Courtyard, Headfort Demesne | — | 6 |