🏙 Property in Poissy: prices, rents, property tax and trends
🏘 Boulevard Devaux — Poissy (78300)
11 registered co-ownerships in the national register (RNIC) are attached to Boulevard Devaux in Poissy, for a total of 1,234 units. The 26 sales of flats recorded between 2024 and 2025 work out at a median price of €3,955/m² (+8% compared with the median for Poissy, €3,661/m²).
Change in the median price per m² (flats)
| Year | Sales | Median price |
|---|---|---|
| 2024 | 10 | €3,735/m² |
| 2025 | 16 | €4,000/m² |
📋 Profile of Boulevard Devaux
The buildings on Boulevard Devaux in Poissy: 40% of the buildings date from the period 1961-1974, among those whose age is recorded; individual heating dominates (27% collective heating, mostly with heating oil); only 36% have a lift. The median co-ownership has 44 units (up to 372).
On the management side, 100% of the co-ownerships whose type of managing agent is known (7) are run by a professional managing agent. The most present firm, LAMY, runs 2 of these co-ownerships out of the 7 run by a professional managing agent.
On the market, 27 sales were recorded in the street over the period covered, with a median price of €3,955/m² for flats, i.e. 8% above the median for Poissy.
Statistics calculated on the co-ownerships of the street for which the information is recorded in the national register (RNIC).
🏛 Professional managing agents on Boulevard Devaux
| Firm | Co-ownerships in the street | Units |
|---|---|---|
| LAMY | 2 | 68 |
| IFF GESTION | 1 | 330 |
| CONSORTIUM IMMOBILIER EUROPEEN | 1 | 197 |
| GML IMMO | 1 | 67 |
| FONCIA MANSART | 1 | 44 |
| CABINET LOISELET PERE FILS ET DAIGREMONT | 1 | 28 |
Legal entities declared in the national co-ownership register. Volunteer managing agents (individuals) are never named.
🏢 The co-ownerships on Boulevard Devaux
🏷 Latest sales in the street
| Date | Property | Area | Price | €/m² |
|---|---|---|---|---|
| 12/2025 | Flat 2-room | 35 m² | €120,000 | 3,429 |
| 12/2025 | Flat 2-room | 24 m² | €110,000 | 4,583 |
| 12/2025 | Flat 2-room | 51 m² | €158,500 | 3,108 |
| 12/2025 | Flat 4-room | 95 m² | €244,400 | 2,573 |
| 12/2025 | Flat 4-room | 80 m² | €339,000 | 4,238 |
| 11/2025 | Flat 2-room | 28 m² | €127,500 | 4,554 |
| 10/2025 | Flat 3-room | 54 m² | €170,000 | 3,148 |
| 09/2025 | Flat 4-room | 92 m² | €399,000 | 4,337 |
| 09/2025 | Flat 2-room | 50 m² | €200,000 | 4,000 |
| 09/2025 | Flat 2-room | 52 m² | €227,000 | 4,365 |
| 07/2025 | Flat 3-room | 53 m² | €224,900 | 4,243 |
| 06/2025 | House 4-room | 84 m² | €452,000 | 5,381 |
Listings in Poissy 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 Poissy
❓ Frequently asked questions
How many co-ownerships are there on Boulevard Devaux in Poissy?
The national co-ownership register (RNIC) lists 11 co-ownerships attached to Boulevard Devaux in Poissy, for a total of 1,234 units.
What is the price per m² on Boulevard Devaux in Poissy?
According to the sales recorded between 2024 and 2025 (26 flats, DVF source), the median price is €3,955/m². Across the municipality, the median is €3,661/m².
Which managing agents run the co-ownerships on Boulevard Devaux in Poissy?
Among the co-ownerships run by a professional managing agent, the most present firms are: LAMY (2), IFF GESTION (1), CONSORTIUM IMMOBILIER EUROPEEN (1). The full list is on this page.
How can I contact the managing agent of a co-ownership on Boulevard Devaux?
Each listing shows the type of managing agent (professional or volunteer) and lets you contact Syndic Digital, which relays your request.