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Montesson, 78360

Price of a 3-room apartment (T3) in Montesson

In Montesson, the median price of a T3 is €4,176/sq.m, i.e. about €267,264 for an average area of 64 sq.m. Data from actual DVF transactions by the DGFiP (29 sales over the 12 months ending 31 December 2025).

Price range (T3)

Entry (1st quartile)
€3,739/sq.m
Median
€4,176/sq.m
High (3rd quartile)
€4,762/sq.m

What DVF sales say about the price of a T3 in Montesson

Compared with the neighbouring towns tracked by Briveo where this property type is measured, Versailles comes out at €6,471/sq.m, about 55% above, and Poissy at €3,531/sq.m, about 15% below. The average area of the T3 sold, 64 sq.m, is about 8% larger than that of the apartments sold in the town, 59 sq.m. At €4,176/sq.m, the median price lands in the middle third of the town's apartment range, 1st to 3rd quartile. Out of 185 apartment and house sales in the town over 12 months, 29 concern this property type, about 16%. On price per sq.m the T3 holds position 3rd among the 6 property types Montesson measures, and position 2nd on twelve-month volume. Across all the town's apartments, whatever their number of rooms, the median price per sq.m has moved +2.4% over one year, based on DVF sales published by the DGFiP.

Observed sale prices of a T3 in Montesson

Of the sales of a T3 à Montesson, half closed between 239,325 € and 301,938 €, for a median price of 269,615 €.

Entry (1st quartile)
€239,325
Median
€269,615
High (3rd quartile)
€301,938

Half of the T3 sold measure between 60 and 68 sq.m.

Three years of sales

YearSalesMedian per sq.m
202330€4,084/sq.m
202427€4,240/sq.m
202529€4,207/sq.m

Between 2023 and 2025, the median price per sq.m of a T3 went from 4,084 € to 4,207 €, +3 %.

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 29 sales
  • Figures computed on 13 October 2026

The town

Montesson covers 7.4 km², lies between 23 and 56 m above sea level and had 14,549 inhabitants in the 2023 census.

Montesson is a French commune situated in the département of Yvelines in the région of Île-de-France. Its inhabitants are called the Montessonnais.

The full property page of the town

From Wikidata and the Wikipedia article « Montesson », licensed CC BY-SA 4.0, read on 13 October 2026. Translated from the French article. Read the article

Other property types in Montesson

Property typeMedian price / sq.mCentral range, middle half of salesAverage surfaceSales, 12 months ending 31 December 2025
Studio€4,786€4,113 – €5,09527 m²13
T2€4,079€3,707 – €4,84944 m²26
T4€4,147€3,565 – €4,47178 m²20
T5+€3,307€3,260 – €3,61599 m²6
House€5,301€4,481 – €6,057106 m²91

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 Montesson

Q1What is the price of a T3 in Montesson in 2026?

In Montesson, the median price of a T3 is €4,176/sq.m, with a range of €3,739 to €4,762/sq.m (1st to 3rd quartile), based on DVF sales published by the DGFiP.

Q2What budget for a T3 of 64 sq.m in Montesson?

For the average observed area (64 sq.m), the indicative budget goes from about €239,296 (1st quartile) to €304,768 (3rd quartile), around €267,264 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 Montesson?

The median price of a T3 in Montesson is close to the city's apartment median (€4,150/sq.m), based on DVF sales published by the DGFiP.

Q4How many T3 sales in Montesson?

The DGFiP DVF database records 29 sales of this type in Montesson over the last 12 months.