Price of a 3-room apartment (T3) in Montbonnot-Saint-Martin
In Montbonnot-Saint-Martin, the median price of a T3 is €4,357/sq.m, i.e. about €296,276 for an average area of 68 sq.m. Data from actual DVF transactions by the DGFiP (10 sales over the 12 months ending 31 December 2025).
Price range (T3)
What DVF sales say about the price of a T3 in Montbonnot-Saint-Martin
Compared with the neighbouring towns tracked by Briveo where this property type is measured, Les Deux Alpes comes out at €5,707/sq.m, about 31% above, and Fontaine at €1,940/sq.m, about 55% below. The average area of the T3 sold, 68 sq.m, is about 7% smaller than that of the apartments sold in the town, 73 sq.m. At €4,357/sq.m, the median price lands in the upper third of the town's apartment range, 1st to 3rd quartile. The 10 T3 sales recorded over 12 months weigh about 16% of the 61 apartment and house sales in the town. Of the 5 property types measured in Montbonnot-Saint-Martin, the T3 ranks 2nd by price per sq.m and 2nd by number of sales over 12 months. Across all the town's apartments, whatever their number of rooms, the median price per sq.m has moved +4.6% over one year, based on DVF sales published by the DGFiP.
Observed sale prices of a T3 in Montbonnot-Saint-Martin
Of the sales of a T3 à Montbonnot-Saint-Martin, half closed between 257,425 € and 317,803 €, for a median price of 303,575 €.
Half of the T3 sold measure between 65 and 72 sq.m.
Three years of sales
| Year | Sales | Median per sq.m |
|---|---|---|
| 2023 | 11 | €4,292/sq.m |
| 2024 | 8 | €3,754/sq.m |
| 2025 | 10 | €4,624/sq.m |
Between 2023 and 2025, the median price per sq.m of a T3 went from 4,292 € to 4,624 €, +7.7 %.
Source and method
- Property transfer records (DVF), published by the French tax authority (DGFiP)
- Sales recorded from 1 January 2023 to 31 December 2025
- Based on 10 sales
- Figures computed on 29 October 2026
The town
Montbonnot-Saint-Martin covers 6.4 km², lies between 215 and 356 m above sea level and had 5,698 inhabitants in the 2023 census.
Montbonnot-Saint-Martin is a French commune situated in the département of Isère in the Auvergne-Rhône-Alpes region. It forms part of the communauté de communes du Pays du Grésivaudan. Its inhabitants are known as Bonimontains.
The full property page of the town
From Wikidata and the Wikipedia article « Montbonnot-Saint-Martin », licensed CC BY-SA 4.0, read on 29 October 2026. Translated from the French article. Read the article
Other property types in Montbonnot-Saint-Martin
Price of a T3 in nearby cities
Cities tracked by BRIVEO in the same department, median for the same property type when available.
Frequently asked questions, T3 in Montbonnot-Saint-Martin
Q1What is the price of a T3 in Montbonnot-Saint-Martin in 2026?
In Montbonnot-Saint-Martin, the median price of a T3 is €4,357/sq.m, with a range of €3,676 to €4,607/sq.m (1st to 3rd quartile), based on DVF sales published by the DGFiP.
Q2What budget for a T3 of 68 sq.m in Montbonnot-Saint-Martin?
For the average observed area (68 sq.m), the indicative budget goes from about €249,968 (1st quartile) to €313,276 (3rd quartile), around €296,276 at the median price. Indicative calculation, DVF price per sq.m multiplied by the area, excluding notary fees.
Q3How does the price of a T3 compare with apartments in Montbonnot-Saint-Martin?
The median price of a T3 in Montbonnot-Saint-Martin is about 5% above the city's apartment median (€4,166/sq.m), based on DVF sales published by the DGFiP.
Q4How many T3 sales in Montbonnot-Saint-Martin?
The DGFiP DVF database records 10 sales of this type in Montbonnot-Saint-Martin over the last 12 months.