{
 "code_insee": "78322",
 "nom": "Jouy en Josas",
 "departement": "78",
 "annee_reference": 2025,
 "prix_m2_median": 4036,
 "prix_m2_median_appartement": 3916,
 "prix_m2_median_appartement_yoy_pct": 1.5,
 "prix_m2_median_maison": 5517,
 "prix_m2_median_maison_yoy_pct": -5.4,
 "prix_vente_median": 314700,
 "ventes_annee_reference": 60,
 "ventes_5_ans": 327,
 "fiabilite": "Modérée",
 "series_annuelles": [
  {
   "annee": 2021,
   "apt": 4015,
   "apt_n": 54,
   "maison": 6247,
   "maison_n": 44
  },
  {
   "annee": 2022,
   "apt": 4130,
   "apt_n": 49,
   "maison": 6821,
   "maison_n": 23
  },
  {
   "annee": 2023,
   "apt": 4007,
   "apt_n": 33,
   "maison": 5810,
   "maison_n": 24
  },
  {
   "annee": 2024,
   "apt": 3860,
   "apt_n": 24,
   "maison": 5830,
   "maison_n": 16
  },
  {
   "annee": 2025,
   "apt": 3916,
   "apt_n": 44,
   "maison": 5517,
   "maison_n": 16
  }
 ],
 "tranches_surface": {
  "Appartement": [
   {
    "band": "< 30 m²",
    "median": 4821,
    "n": 7
   },
   {
    "band": "30-60 m²",
    "median": 4107,
    "n": 21
   },
   {
    "band": "60-90 m²",
    "median": 3654,
    "n": 23
   },
   {
    "band": "90-120 m²",
    "median": 3821,
    "n": 14
   },
   {
    "band": "120 m² et +",
    "median": 4167,
    "n": 3
   }
  ],
  "Maison": [
   {
    "band": "< 30 m²",
    "median": null,
    "n": 0
   },
   {
    "band": "30-60 m²",
    "median": 10000,
    "n": 3
   },
   {
    "band": "60-90 m²",
    "median": 5830,
    "n": 8
   },
   {
    "band": "90-120 m²",
    "median": 5319,
    "n": 8
   },
   {
    "band": "120 m² et +",
    "median": 4769,
    "n": 13
   }
  ]
 },
 "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/78322-jouy-en-josas"
}