🏙 Property in Saint-Germain-en-Laye: prices, rents, property tax and trends
🏘 Rue Stéphane Mony — Saint-Germain-en-Laye (78100)
2 registered co-ownerships in the national register (RNIC) are attached to Rue Stéphane Mony in Saint-Germain-en-Laye, for a total of 426 units. The 11 sales of flats recorded between 2024 and 2025 work out at a median price of €4,902/m² (−25% compared with the median for Saint-Germain-en-Laye, €6,544/m²).
Change in the median price per m² (flats)
| Year | Sales | Median price |
|---|---|---|
| 2024 | 6 | €4,305/m² |
| 2025 | 5 | €4,902/m² |
📋 Profile of Rue Stéphane Mony
On the market, 11 sales were recorded in the street over the period covered, with a median price of €4,902/m² for flats, i.e. 25% below the median for Saint-Germain-en-Laye.
Statistics calculated on the co-ownerships of the street for which the information is recorded in the national register (RNIC).
🏛 Professional managing agents on Rue Stéphane Mony
| Firm | Co-ownerships in the street | Units |
|---|---|---|
| LAMY | 1 | 412 |
Legal entities declared in the national co-ownership register. Volunteer managing agents (individuals) are never named.
🏢 The co-ownerships on Rue Stéphane Mony
🏷 Latest sales in the street
| Date | Property | Area | Price | €/m² |
|---|---|---|---|---|
| 12/2025 | Flat 1-room | 19 m² | €160,000 | 8,421 |
| 08/2025 | Flat 2-room | 46 m² | €225,500 | 4,902 |
| 06/2025 | Flat 4-room | 81 m² | €515,000 | 6,358 |
| 04/2025 | Flat 3-room | 65 m² | €310,000 | 4,769 |
| 01/2025 | Flat 3-room | 65 m² | €236,250 | 3,635 |
| 11/2024 | Flat 2-room | 46 m² | €167,040 | 3,631 |
| 10/2024 | Flat 2-room | 46 m² | €229,000 | 4,978 |
| 06/2024 | Flat 2-room | 46 m² | €155,000 | 3,370 |
| 06/2024 | Flat 4-room | 84 m² | €457,710 | 5,449 |
| 03/2024 | Flat 2-room | 46 m² | €245,350 | 5,334 |
| 02/2024 | Flat 2-room | 46 m² | €157,000 | 3,413 |
Listings in Saint-Germain-en-Laye on Leboncoin
Single-property sales (excluding grouped sales), without street numbers. Source: “Demandes de valeurs foncières” © DGFiP / Etalab, Open Licence 2.0. Co-ownerships: national co-ownership register; addresses: Base Adresse Nationale. Syndic Digital is not affiliated with Leboncoin.
📍 Other streets in Saint-Germain-en-Laye
❓ Frequently asked questions
How many co-ownerships are there on Rue Stéphane Mony in Saint-Germain-en-Laye?
The national co-ownership register (RNIC) lists 2 co-ownerships attached to Rue Stéphane Mony in Saint-Germain-en-Laye, for a total of 426 units.
What is the price per m² on Rue Stéphane Mony in Saint-Germain-en-Laye?
According to the sales recorded between 2024 and 2025 (11 flats, DVF source), the median price is €4,902/m². Across the municipality, the median is €6,544/m².
Which managing agents run the co-ownerships on Rue Stéphane Mony in Saint-Germain-en-Laye?
Among the co-ownerships run by a professional managing agent, the most present firms are: LAMY (1). The full list is on this page.
How can I contact the managing agent of a co-ownership on Rue Stéphane Mony?
Each listing shows the type of managing agent (professional or volunteer) and lets you contact Syndic Digital, which relays your request.