{
 "code_insee": "91589",
 "nom": "Savigny-sur-Orge",
 "departement": "91",
 "annee_reference": 2025,
 "prix_m2_median": 3488,
 "prix_m2_median_appartement": 3000,
 "prix_m2_median_appartement_yoy_pct": 1.2,
 "prix_m2_median_maison": 3852,
 "prix_m2_median_maison_yoy_pct": 0.2,
 "prix_vente_median": 229500,
 "ventes_annee_reference": 413,
 "ventes_5_ans": 2383,
 "fiabilite": "Forte",
 "series_annuelles": [
  {
   "annee": 2021,
   "apt": 2775,
   "apt_n": 261,
   "maison": 4111,
   "maison_n": 351
  },
  {
   "annee": 2022,
   "apt": 3176,
   "apt_n": 252,
   "maison": 4306,
   "maison_n": 289
  },
  {
   "annee": 2023,
   "apt": 2976,
   "apt_n": 189,
   "maison": 4000,
   "maison_n": 235
  },
  {
   "annee": 2024,
   "apt": 2963,
   "apt_n": 167,
   "maison": 3843,
   "maison_n": 226
  },
  {
   "annee": 2025,
   "apt": 3000,
   "apt_n": 191,
   "maison": 3852,
   "maison_n": 222
  }
 ],
 "tranches_surface": {
  "Appartement": [
   {
    "band": "< 30 m²",
    "median": 3949,
    "n": 60
   },
   {
    "band": "30-60 m²",
    "median": 3135,
    "n": 183
   },
   {
    "band": "60-90 m²",
    "median": 2199,
    "n": 104
   },
   {
    "band": "90-120 m²",
    "median": 2557,
    "n": 10
   },
   {
    "band": "120 m² et +",
    "median": 2004,
    "n": 1
   }
  ],
  "Maison": [
   {
    "band": "< 30 m²",
    "median": 6104,
    "n": 4
   },
   {
    "band": "30-60 m²",
    "median": 5206,
    "n": 66
   },
   {
    "band": "60-90 m²",
    "median": 4070,
    "n": 182
   },
   {
    "band": "90-120 m²",
    "median": 3522,
    "n": 125
   },
   {
    "band": "120 m² et +",
    "median": 3034,
    "n": 71
   }
  ]
 },
 "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/91589-savigny-sur-orge"
}