🏙 Property in Istres: prices, rents, property tax and trends
🏘 Boulevard Dethez — Istres (13800)
5 registered co-ownerships in the national register (RNIC) are attached to Boulevard Dethez in Istres, for a total of 216 units. The 13 sales of flats recorded between 2024 and 2025 work out at a median price of €2,131/m² (−29% compared with the median for Istres, €2,984/m²).
Change in the median price per m² (flats)
| Year | Sales | Median price |
|---|---|---|
| 2024 | 6 | €2,625/m² |
| 2025 | 7 | €2,034/m² |
📋 Profile of Boulevard Dethez
The buildings on Boulevard Dethez in Istres: the most common construction period is between 1961 and 1974 (60% 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 9 units, 60% with 20 units or fewer).
On the management side, 75% of the co-ownerships whose type of managing agent is known (4) are run by a professional managing agent, the rest being run by 1 volunteer managing agent. The most present firm, CITYA LES CARMES, runs 2 of these co-ownerships out of the 3 run by a professional managing agent.
On the market, 14 sales were recorded in the street over the period covered, with a median price of €2,131/m² for flats, i.e. 29% below the median for Istres.
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 Dethez
| Firm | Co-ownerships in the street | Units |
|---|---|---|
| CITYA LES CARMES | 2 | 123 |
| SOMATRIM SOC MARI ADMIN TRANS | 1 | 79 |
Legal entities declared in the national co-ownership register. Volunteer managing agents (individuals) are never named.
🏢 The co-ownerships on Boulevard Dethez
🏷 Latest sales in the street
| Date | Property | Area | Price | €/m² |
|---|---|---|---|---|
| 09/2025 | Flat 3-room | 76 m² | €196,000 | 2,579 |
| 07/2025 | Flat 4-room | 92 m² | €181,500 | 1,973 |
| 06/2025 | Flat 5-room | 123 m² | €250,135 | 2,034 |
| 06/2025 | Flat 3-room | 75 m² | €135,000 | 1,800 |
| 05/2025 | Flat 5-room | 107 m² | €228,000 | 2,131 |
| 04/2025 | Flat 4-room | 79 m² | €90,000 | 1,139 |
| 02/2025 | Flat 3-room | 76 m² | €189,966 | 2,500 |
| 12/2024 | Flat 4-room | 93 m² | €247,000 | 2,656 |
| 11/2024 | Flat 3-room | 75 m² | €202,710 | 2,703 |
| 07/2024 | Flat 5-room | 123 m² | €230,000 | 1,870 |
| 05/2024 | House 4-room | 135 m² | €437,000 | 3,237 |
| 04/2024 | Flat 4-room | 82 m² | €282,600 | 3,446 |
Listings in Istres 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 Istres
❓ Frequently asked questions
How many co-ownerships are there on Boulevard Dethez in Istres?
The national co-ownership register (RNIC) lists 5 co-ownerships attached to Boulevard Dethez in Istres, for a total of 216 units.
What is the price per m² on Boulevard Dethez in Istres?
According to the sales recorded between 2024 and 2025 (13 flats, DVF source), the median price is €2,131/m². Across the municipality, the median is €2,984/m².
Which managing agents run the co-ownerships on Boulevard Dethez in Istres?
Among the co-ownerships run by a professional managing agent, the most present firms are: CITYA LES CARMES (2), SOMATRIM SOC MARI ADMIN TRANS (1). The full list is on this page.
How can I contact the managing agent of a co-ownership on Boulevard Dethez?
Each listing shows the type of managing agent (professional or volunteer) and lets you contact Syndic Digital, which relays your request.