| 1 Old Labour Exchange, Market Place, Penygroes, Caernarfon | - | 85 m² | - |
| 1A Market Place, Penygroes, Caernarfon | Freehold | 88 m² | £76,000 (2007) |
| 2 Old Labour Exchange, Market Place, Penygroes, Caernarfon | - | 70 m² | - |
| 6, Market Place, Penygroes, Caernarfon | Freehold | 74 m² | £120,000 (2026) |
| 8 Market Place, Penygroes, Caernarfon | Freehold | 76 m² | £147,500 (2024) |
| 9 Market Place, Penygroes, Caernarfon | - | 105 m² | - |
| 10, Market Place, Penygroes, Caernarfon | Freehold | 90 m² | £60,000 (2008) |
| 11 Market Place, Penygroes, Caernarfon | Freehold | 94 m² | £165,000 (2026) |
| 14, Market Place, Penygroes, Caernarfon | Freehold | 90 m² | £116,000 (2015) |
| 15, Market Place, Penygroes, Caernarfon | - | 90 m² | - |
| 17 Market Place, Penygroes, Caernarfon | Freehold | 96 m² | £102,000 (2025) |
| 18 Market Place, Penygroes, Caernarfon | Freehold | 88 m² | £38,000 (1998) |
| 20, Market Place, Penygroes, Caernarfon | Freehold | 77 m² | £140,000 (2021) |
| 22 Market Place, Penygroes, Caernarfon | Freehold | 81 m² | £82,000 (2024) |
| 24 Market Place, Penygroes, Caernarfon | Freehold | 110 m² | £135,000 (2025) |
| 24A Maes Y Farchnad, Penygroes | Freehold | 62 m² | £75,000 (2011) |
| 26, Market Place, Penygroes, Caernarfon | Freehold | 140 m² | £159,950 (2020) |
| Cuddfan, Market Place, Penygroes, Caernarfon | - | 61 m² | - |
| Hen Ganolfan Waith, Maes Y Farchnad, Penygroes | Freehold | 70 m² | £65,000 (2021) |
| Seibiant, Market Place, Penygroes, Caernarfon | - | 57 m² | - |