Greater Paris · Boissy-Saint-Léger · 94470

21 Avenue du Progrès.

Parcel AI 91 · a plot of 725 m²; homes within 500 m at a median of €3,840 per m².

21 Avenue du Progrès, Boissy-Saint-Léger at night – the plot lit, the parcels around coloured by the prices near them
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The plot in figures

725 m²plot area as registered (cadastre)
€3,840median per m², 78 home sales within 500 m since 2021
€4,080houses within 500 m, per m² (45 sales)
€3,580flats within 500 m, per m² (33 sales)
AI 91cadastral parcel

The plot as the VERA PI databases hold it: the parcel and its area in DGFiP's cadastre, its addresses in the Base Adresse Nationale, the home sales of DGFiP's DVF register around it from January 2021 to June 2026 (a deed of one house or flat). A median needs ten sales. Never a single sale – not even the plot's own – never an owner. Read 2026-10-19.