Property prices in Boissy-sous-Saint-Yon (91790): median 3 101 €/m² (houses)
Median price per m² in Boissy-sous-Saint-Yon, Essonne, calculated from sales actually recorded (official DVF data, DGFiP / Etalab) — and not from listings.
Houses — 2025 median
3 101 €/m²
+7,2 % since 2014
Flats — 2025 median
3 308 €/m²
-0,8 % since 2014
Price per m² trend (2014–2025)
Eyeing a property in Boissy-sous-Saint-Yon?
An AI expert's opinion on its price, its points of caution and your negotiation margin.
Year-by-year data — 91790
| Year | Houses (€/m²) | Sales | Flats (€/m²) | Sales |
|---|---|---|---|---|
| 2014 | 2 893 € | 40 | 3 333 € | 5 |
| 2015 | 2 818 € | 50 | 2 723 € | 10 |
| 2016 | 2 687 € | 36 | 1 225 €* | 2 |
| 2017 | 2 814 € | 38 | 2 476 € | 7 |
| 2018 | 2 774 € | 43 | 3 244 € | 9 |
| 2019 | 2 988 € | 47 | 3 024 € | 12 |
| 2020 | 3 203 € | 33 | 3 060 € | 10 |
| 2021 | 3 241 € | 57 | 3 182 € | 9 |
| 2022 | 3 181 € | 43 | 3 133 €* | 4 |
| 2023 | 2 802 € | 30 | 3 217 € | 12 |
| 2024 | 3 114 € | 38 | 2 972 € | 11 |
| 2025 | 3 101 € | 41 | 3 308 € | 6 |
* fewer than 5 recorded sales: indicative median. Source: Demandes de valeurs foncières (DVF), DGFiP / Etalab — Licence Ouverte 2.0. Median prices per m², excluding land and outbuildings.
Neighbouring towns — Essonne
The closest postcodes, with their median house price.