Commune · data to June 2026
House prices in Montbonnot-Saint-Martin
Homes in Montbonnot-Saint-Martin sold for a median €4,404 per m² in the 12 months to June 2026, up 4.7% on the year before. That is the median of 50 sales recorded in property deeds. That is higher than in 90% of communes.
- Median sale price per m²
- €4,404/m²
- Change in a year
- +4.7%
- Apartments
- €4,357/m²
- Houses
- €4,615/m²
- land included
- Sales in 12 months
- 50
Montbonnot-Saint-Martin: +4.8% in 4 years
Median sale price per m², over the 12 months to each quarter
- Montbonnot-Saint-Martin
- Isère
- France
Show the numbers
| Quarter | Montbonnot-Saint-Martin | Isère | France |
|---|---|---|---|
| Q2 2026 | €4,404/m² | €2,651/m² | €2,605/m² |
| Q1 2026 | €4,357/m² | €2,647/m² | €2,588/m² |
| Q4 2025 | €4,323/m² | €2,656/m² | €2,589/m² |
| Q3 2025 | €4,323/m² | €2,667/m² | €2,581/m² |
| Q2 2025 | €4,208/m² | €2,659/m² | €2,564/m² |
| Q1 2025 | €4,280/m² | €2,674/m² | €2,559/m² |
| Q4 2024 | €4,375/m² | €2,667/m² | €2,542/m² |
| Q3 2024 | €4,365/m² | €2,687/m² | €2,551/m² |
| Q2 2024 | €4,482/m² | €2,727/m² | €2,577/m² |
| Q1 2024 | €4,323/m² | €2,756/m² | €2,610/m² |
| Q4 2023 | €4,337/m² | €2,798/m² | €2,644/m² |
| Q3 2023 | €4,367/m² | €2,821/m² | €2,685/m² |
| Q2 2023 | €4,292/m² | €2,828/m² | €2,704/m² |
| Q1 2023 | €4,307/m² | €2,800/m² | €2,696/m² |
| Q4 2022 | €4,307/m² | €2,777/m² | €2,675/m² |
| Q3 2022 | €4,333/m² | €2,744/m² | €2,627/m² |
| Q2 2022 | €4,201/m² | €2,692/m² | €2,566/m² |
Reports for Montbonnot-Saint-Martin
Each report opens the full series and the assumptions behind these figures.
At the median sale price, a 90 m² home costs €396,360. With 10% down and a 30-year mortgage, the payment is €1,543 a month. The HCSF caps it at 35% of a household's income.
- Payment, two incomes
- 25%
- Payment, one income
- 50%
Owning and renting a 90 m² apartment cost about the same each month. Owning counts interest, running costs and the return the deposit could earn, at apartments' median sale price; rent is the asking rent. Repaying the loan is saving, so it is left out.
- Rent per month
- €1,505
- Owning per month
- €1,435
Figures for Isère: Montbonnot-Saint-Martin has no reliable figures of its own.
31.7% fewer homes were licensed for construction in the last 12 months than in an average year of the past decade.
- Licensed, 12 months
- 6,432
In 2022 the population grew by 144 while 11 homes were started: 13.1 new residents for every new home.
- New residents per new home, 2022
- 13.1
- Population change, 2022
- +144
4.8% of the 2,675 homes counted in the 2023 census stood empty, whether for sale, to let or for other reasons.
- Empty, 2023 census
- 4.8%
- Empty homes
- 129
In 2025, 12% of the homes authorised were in existing buildings: conversions, extensions and changes of use.
- Homes in existing buildings, 2025
- 12%
Other communes in Isère
| Commune | Median sale price per m² | In a year |
|---|---|---|
| Huez | €7,967 | +6.8% |
| Les Deux Alpes | €5,932 | +7.5% |
| Montbonnot-Saint-Martin | €4,404 | +4.7% |
| Meylan | €3,571 | +0.1% |
| Gières | €3,349 | −11.4% |
| Villard-de-Lans | €3,325 | −8.8% |
| Eybens | €3,125 | +0.9% |
| Voreppe | €3,110 | +8.0% |
| Chamrousse | €3,099 | +5.8% |
| Sassenage | €2,916 | −6.5% |
| La Verpillière | €2,901 | −6.2% |
| L'Isle-d'Abeau | €2,854 | +3.6% |
| Saint-Égrève | €2,852 | −1.1% |
| Villard-Bonnot | €2,748 | −2.1% |
| Pont-de-Chéruy | €2,590 | +6.9% |
| Villefontaine | €2,578 | −6.9% |
| Voiron | €2,557 | +3.1% |
| Bourgoin-Jallieu | €2,537 | −0.4% |
| Vienne (38) | €2,500 | +1.0% |
| Grenoble | €2,492 | −0.3% |
| Les Abrets en Dauphiné | €2,384 | −5.7% |
| Tullins | €2,376 | +3.9% |
| Saint-Martin-d'Hères | €2,300 | +1.5% |
| Seyssinet-Pariset | €2,288 | −0.4% |
| Vizille | €2,234 | +6.3% |
| Allevard | €2,203 | +12.6% |
| La Tour-du-Pin | €2,062 | +3.1% |
| Saint-Marcellin | €1,996 | −5.0% |
| Fontaine (38) | €1,948 | −3.5% |
| Échirolles | €1,944 | −1.6% |
| Le Pont-de-Claix | €1,792 | −10.1% |
The 31 with the most sales, of 101 with a published median.