🏙 Property in Montesson: prices, rents, property tax and trends
🏘 Avenue Aristide Briand — Montesson (78360)
5 registered co-ownerships in the national register (RNIC) are attached to Avenue Aristide Briand in Montesson, for a total of 142 units. The 4 sales of flats recorded between 2024 and 2025 work out at a median price of €4,143/m² (−0% compared with the median for Montesson, €4,161/m²).
Change in the median price per m² (flats)
| Year | Sales | Median price |
|---|---|---|
| 2024 | 3 | €4,457/m² |
| 2025 | 1 | €3,828/m² |
📋 Profile of Avenue Aristide Briand
The buildings on Avenue Aristide Briand in Montesson: the most common construction period is between 1975 and 1993 (25% of the buildings with a known date); individual heating dominates (0% collective heating); only 20% have a lift. These are mostly small co-ownerships (median of 20 units, 60% with 20 units or fewer).
On the management side, 100% of the co-ownerships whose type of managing agent is known (4) are run by a professional managing agent. The most present firm, FONCIA SEINE OUEST, runs 2 of these co-ownerships out of the 4 run by a professional managing agent.
On the market, 4 sales were recorded in the street over the period covered, with a median price of €4,143/m² for flats, a level comparable to 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 Avenue Aristide Briand
| Firm | Co-ownerships in the street | Units |
|---|---|---|
| FONCIA SEINE OUEST | 2 | 89 |
| CLAUDON LLOMBART GESTION IMMOBILIERE - CABINET CLGI | 1 | 20 |
| CABINET SIVAN IMMOBILIER | 1 | 14 |
Legal entities declared in the national co-ownership register. Volunteer managing agents (individuals) are never named.
🏢 The co-ownerships on Avenue Aristide Briand
🏷 Latest sales in the street
| Date | Property | Area | Price | €/m² |
|---|---|---|---|---|
| 09/2025 | Flat 1-room | 32 m² | €122,500 | 3,828 |
| 12/2024 | Flat 1-room | 29 m² | €91,000 | 3,138 |
| 09/2024 | Flat 2-room | 46 m² | €205,000 | 4,457 |
| 08/2024 | Flat 2-room | 37 m² | €165,000 | 4,459 |
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 Avenue Aristide Briand in Montesson?
The national co-ownership register (RNIC) lists 5 co-ownerships attached to Avenue Aristide Briand in Montesson, for a total of 142 units.
What is the price per m² on Avenue Aristide Briand in Montesson?
According to the sales recorded between 2024 and 2025 (4 flats, DVF source), the median price is €4,143/m². Across the municipality, the median is €4,161/m².
Which managing agents run the co-ownerships on Avenue Aristide Briand in Montesson?
Among the co-ownerships run by a professional managing agent, the most present firms are: FONCIA SEINE OUEST (2), CLAUDON LLOMBART GESTION IMMOBILIERE - CABINET CLGI (1), CABINET SIVAN IMMOBILIER (1). The full list is on this page.
How can I contact the managing agent of a co-ownership on Avenue Aristide Briand?
Each listing shows the type of managing agent (professional or volunteer) and lets you contact Syndic Digital, which relays your request.