Do you dream of owning a property in St Germain en Laye as your permanent home, would you like to acquire a holiday residence, or simply invest to earn appealing income while benefiting from a sound property asset ? Whatever your plans, you need advice, information and, of course, access to offers. Our Houses and Apartments network proposes the best advertisements from professional estate agents in St Germain en Laye, to help you find the house or apartment meeting your selection criteria and budget. In St Germain en Laye, the lowest price per sq. metre for properties is 5374 €, the average price 9010 €, and the highest 13308 €.
| Lowest price | Average price | Highest price | |
| July 2026 | 7144 € | 9092 € | 11767 € |
| Evolution since June 2026 | - | -1,90 % | - |
| Lowest price | Average price | Highest price | |
| July 2026 | 6712 € | 7915 € | 10728 € |