Co. Monaghan: O
8 streets and townlands
| Street or townland | Median since 2021 | Sales |
|---|---|---|
| O'Neill Park, Clones | €110,000 | 27 |
| Oakland Grove, Scotshouse | €160,000 | 16 |
| Oduffy Terrace, Ballybay | — | 9 |
| Oghill, Castleblayney | — | 5 |
| Oisin Brian, Emyvale | — | 8 |
| Oneill St, Carrickmacross | — | 7 |
| Oriel Park, Emyvale | €115,000 | 16 |
| The Oaks, Lough Na Glack | €90,000 | 8 |