🏙 Property in Montesson: prices, rents, property tax and trends
🏘 Rue Arnauld Lanson — Montesson (78360)
3 registered co-ownerships in the national register (RNIC) are attached to Rue Arnauld Lanson in Montesson, for a total of 36 units. The 4 sales of flats recorded between 2024 and 2025 work out at a median price of €4,507/m² (+8% compared with the median for Montesson, €4,161/m²).
Change in the median price per m² (flats)
| Year | Sales | Median price |
|---|---|---|
| 2024 | 2 | €4,226/m² |
| 2025 | 2 | €4,563/m² |
📋 Profile of Rue Arnauld Lanson
The buildings on Rue Arnauld Lanson in Montesson: 67% of the buildings date from before 1949, among those whose age is recorded. These are mostly small co-ownerships (median of 13 units, 100% with 20 units or fewer).
On the market, 4 sales were recorded in the street over the period covered, with a median price of €4,507/m² for flats, i.e. 8% above the median for Montesson.
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 Arnauld Lanson
| Firm | Co-ownerships in the street | Units |
|---|---|---|
| CABINET SIVAN IMMOBILIER | 1 | 15 |
Legal entities declared in the national co-ownership register. Volunteer managing agents (individuals) are never named.
🏢 The co-ownerships on Rue Arnauld Lanson
🏷 Latest sales in the street
| Date | Property | Area | Price | €/m² |
|---|---|---|---|---|
| 08/2025 | Flat 1-room | 34 m² | €170,000 | 5,000 |
| 05/2025 | Flat 5-room | 84 m² | €346,500 | 4,125 |
| 12/2024 | Flat 2-room | 44 m² | €156,750 | 3,563 |
| 07/2024 | Flat 2-room | 45 m² | €220,000 | 4,889 |
Listings in Montesson 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 Montesson
❓ Frequently asked questions
How many co-ownerships are there on Rue Arnauld Lanson in Montesson?
The national co-ownership register (RNIC) lists 3 co-ownerships attached to Rue Arnauld Lanson in Montesson, for a total of 36 units.
What is the price per m² on Rue Arnauld Lanson in Montesson?
According to the sales recorded between 2024 and 2025 (4 flats, DVF source), the median price is €4,507/m². Across the municipality, the median is €4,161/m².
Which managing agents run the co-ownerships on Rue Arnauld Lanson in Montesson?
Among the co-ownerships run by a professional managing agent, the most present firms are: CABINET SIVAN IMMOBILIER (1). The full list is on this page.
How can I contact the managing agent of a co-ownership on Rue Arnauld Lanson?
Each listing shows the type of managing agent (professional or volunteer) and lets you contact Syndic Digital, which relays your request.