| 1 Marda Cottages, Dublin Street, Tremadog, Porthmadog | Freehold | 81 m² | £112,000 (2017) |
| 2 Marda Cottages, Dublin Street, Tremadog, Porthmadog | Freehold | 73 m² | £135,000 (2020) |
| 9 Dublin Street, Tremadog, Tremadog | Freehold | 80 m² | £100,000 (2020) |
| 11, Dublin Street, Tremadog, Porthmadog | - | 33 m² | - |
| 13, Dublin Street, Tremadog, Porthmadog | Freehold | 48 m² | £43,000 (2002) |
| 19, Dublin Street, Tremadog, Porthmadog | Freehold | 60 m² | £135,000 (2022) |
| 21, Dublin Street, Tremadog, Porthmadog | Freehold | 47 m² | £80,000 (2013) |
| 30, Dublin Street, Tremadog, Porthmadog | Freehold | 152 m² | £105,000 (2000) |
| 32, Dublin Street, Tremadog, Porthmadog | - | 71 m² | - |
| 33-35 Dublin Street, Tremadog | - | 96 m² | - |
| 37 Dublin Street, Tremadog, Porthmadog | Freehold | 73 m² | £155,000 (2025) |
| 38 Dublin Street, Tremadog, Porthmadog | - | 71 m² | - |
| 39 Dublin Street, Tremadog, Porthmadog | - | 78 m² | - |
| 42 Dublin Street, Tremadog, Porthmadog | - | 71 m² | - |
| 45 Dublin Street, Tremadog, Porthmadog | - | 90 m² | - |
| 47, Dublin Street, Tremadog, Porthmadog | Freehold | 86 m² | £195,000 (2023) |
| 49 Dublin Street, Tremadog, Porthmadog | Freehold | 77 m² | £180,000 (2022) |
| 60, Dublin Street, Tremadog, Porthmadog | Freehold | 85 m² | £159,000 (2015) |
| 62, Dublin Street, Tremadog, Porthmadog | Freehold | 85 m² | £139,950 (2019) |
| 74, Dublin Street, Tremadog, Porthmadog | Freehold | 54 m² | £51,500 (2010) |
| Bod Hyfryd, Dublin Street, Tremadog, Porthmadog | Freehold | 102 m² | £235,000 (2023) |
| Cilan, Dublin Street, Tremadog, Tremadog | Freehold | 110 m² | £200,000 (2021) |
| Ferlas, Dublin Street, Tremadog, Porthmadog | Freehold | 218 m² | £200,000 (2006) |
| Flat 1, 30 Dublin Street, Tremadog, Porthmadog | - | 44 m² | - |
| Flat 2, 30 Dublin Street, Tremadog, Porthmadog | - | 45 m² | - |
| Flat A Old Granary, Dublin Street, Tremadog, Porthmadog | - | 74 m² | - |
| The Smithy, Dublin Street, Tremadog, Porthmadog | - | 85 m² | - |