Syndic Digital
← Co-ownership directory

🏙 Property in Boulogne-Billancourt: prices, rents, property tax and trends

🏘 Rue Mahias — Boulogne-Billancourt (92100)

4 registered co-ownerships in the national register (RNIC) are attached to Rue Mahias in Boulogne-Billancourt, for a total of 113 units. The 3 sales of flats recorded between 2024 and 2025 work out at a median price of €9,077/m² (+10% compared with the median for Boulogne-Billancourt, €8,289/m²).

4
Registered co-ownerships
113
Units in total
€9,077/m²
Median price of flats
4
Sales recorded (2024 and 2025)

Change in the median price per m² (flats)

YearSalesMedian price
20241€9,077/m²
20252€8,245/m²

📋 Profile of Rue Mahias

The buildings on Rue Mahias in Boulogne-Billancourt: the most common construction period is before 1949 (75% of the buildings with a known date); the co-ownerships are to a fair extent fitted with collective heating (50%); 50% have at least one lift. The median co-ownership has 25 units (up to 49).

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 cooperative managing agent. The most present firm, CABINET GOUTILLE, runs 2 of these co-ownerships out of the 3 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 €9,077/m² for flats, i.e. 10% above the median for Boulogne-Billancourt.

Main construction period
Before 1949 (75 %)
Collective heating
50 %
With a lift
50 %
Median size
25 units (max 49)
Professional managing agent
75 %

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 Mahias

FirmCo-ownerships in the streetUnits
CABINET GOUTILLE 276
ALTO SEQUANAIS 123

Legal entities declared in the national co-ownership register. Volunteer managing agents (individuals) are never named.

🏢 The co-ownerships on Rue Mahias

🏷 Latest sales in the street

DatePropertyAreaPrice€/m²
08/2025 Flat 2-room 50 m² €305,000 6,100
04/2025 Flat 3-room 60 m² €623,350 10,389
12/2024 Flat 2-room 39 m² €354,000 9,077
07/2024 House 4-room 150 m² €1,950,000 13,000

Listings in Boulogne-Billancourt 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 Boulogne-Billancourt

All streets in Boulogne-Billancourt →

❓ Frequently asked questions

How many co-ownerships are there on Rue Mahias in Boulogne-Billancourt?

The national co-ownership register (RNIC) lists 4 co-ownerships attached to Rue Mahias in Boulogne-Billancourt, for a total of 113 units.

What is the price per m² on Rue Mahias in Boulogne-Billancourt?

According to the sales recorded between 2024 and 2025 (3 flats, DVF source), the median price is €9,077/m². Across the municipality, the median is €8,289/m².

Which managing agents run the co-ownerships on Rue Mahias in Boulogne-Billancourt?

Among the co-ownerships run by a professional managing agent, the most present firms are: CABINET GOUTILLE (2), ALTO SEQUANAIS (1). The full list is on this page.

How can I contact the managing agent of a co-ownership on Rue Mahias?

Each listing shows the type of managing agent (professional or volunteer) and lets you contact Syndic Digital, which relays your request.