{
 "code_insee": "28229",
 "nom": "Mainvilliers",
 "departement": "28",
 "annee_reference": 2025,
 "prix_m2_median": 2290,
 "prix_m2_median_appartement": 2267,
 "prix_m2_median_appartement_yoy_pct": 10.2,
 "prix_m2_median_maison": 2300,
 "prix_m2_median_maison_yoy_pct": -2.8,
 "prix_vente_median": 169500,
 "ventes_annee_reference": 117,
 "ventes_5_ans": 657,
 "fiabilite": "Forte",
 "series_annuelles": [
  {
   "annee": 2021,
   "apt": 2066,
   "apt_n": 92,
   "maison": 2270,
   "maison_n": 77
  },
  {
   "annee": 2022,
   "apt": 2131,
   "apt_n": 64,
   "maison": 2387,
   "maison_n": 77
  },
  {
   "annee": 2023,
   "apt": 2023,
   "apt_n": 42,
   "maison": 2398,
   "maison_n": 55
  },
  {
   "annee": 2024,
   "apt": 2057,
   "apt_n": 67,
   "maison": 2366,
   "maison_n": 66
  },
  {
   "annee": 2025,
   "apt": 2267,
   "apt_n": 47,
   "maison": 2300,
   "maison_n": 70
  }
 ],
 "tranches_surface": {
  "Appartement": [
   {
    "band": "< 30 m²",
    "median": 2786,
    "n": 13
   },
   {
    "band": "30-60 m²",
    "median": 2421,
    "n": 52
   },
   {
    "band": "60-90 m²",
    "median": 1725,
    "n": 42
   },
   {
    "band": "90-120 m²",
    "median": 1930,
    "n": 7
   },
   {
    "band": "120 m² et +",
    "median": null,
    "n": 0
   }
  ],
  "Maison": [
   {
    "band": "< 30 m²",
    "median": null,
    "n": 0
   },
   {
    "band": "30-60 m²",
    "median": 2642,
    "n": 9
   },
   {
    "band": "60-90 m²",
    "median": 2427,
    "n": 72
   },
   {
    "band": "90-120 m²",
    "median": 2193,
    "n": 24
   },
   {
    "band": "120 m² et +",
    "median": 1954,
    "n": 31
   }
  ]
 },
 "est_hub_arrondissements": false,
 "arrondissements": null,
 "source": {
  "dataset": "Demandes de valeurs foncières (DVF), DGFiP",
  "url": "https://www.data.gouv.fr/fr/datasets/demandes-de-valeurs-foncieres/",
  "licence": "Licence Ouverte 2.0",
  "methodologie": "https://foncierdata.fr/methodologie"
 },
 "page": "https://foncierdata.fr/prix-immobilier/28229-mainvilliers"
}