{
 "code_insee": "25397",
 "nom": "Montferrand-le-Château",
 "departement": "25",
 "annee_reference": 2025,
 "prix_m2_median": 2483,
 "prix_m2_median_appartement": 2823,
 "prix_m2_median_appartement_yoy_pct": 76.3,
 "prix_m2_median_maison": 2458,
 "prix_m2_median_maison_yoy_pct": 41.9,
 "prix_vente_median": 220500,
 "ventes_annee_reference": 26,
 "ventes_5_ans": 99,
 "fiabilite": "Modérée",
 "derniers_12_mois": {
  "debut": "2025-07-01",
  "fin": "2026-06-30",
  "ventes": 19,
  "prix_m2_median": 2500,
  "prix_m2_median_appartement": null,
  "prix_m2_median_appartement_yoy_pct": null,
  "prix_m2_median_maison": 2483,
  "prix_m2_median_maison_yoy_pct": 10.9
 },
 "series_annuelles": [
  {
   "annee": 2021,
   "apt": 1873,
   "apt_n": 3,
   "maison": 2184,
   "maison_n": 4
  },
  {
   "annee": 2022,
   "apt": 2424,
   "apt_n": 10,
   "maison": 2552,
   "maison_n": 14
  },
  {
   "annee": 2023,
   "apt": 1937,
   "apt_n": 6,
   "maison": 2526,
   "maison_n": 14
  },
  {
   "annee": 2024,
   "apt": 1601,
   "apt_n": 8,
   "maison": 1732,
   "maison_n": 8
  },
  {
   "annee": 2025,
   "apt": 2823,
   "apt_n": 6,
   "maison": 2458,
   "maison_n": 20
  }
 ],
 "tranches_surface": {
  "Appartement": [
   {
    "band": "< 30 m²",
    "median": null,
    "n": 0
   },
   {
    "band": "30-60 m²",
    "median": 3004,
    "n": 2
   },
   {
    "band": "60-90 m²",
    "median": 2823,
    "n": 4
   },
   {
    "band": "90-120 m²",
    "median": 1785,
    "n": 5
   },
   {
    "band": "120 m² et +",
    "median": 1269,
    "n": 3
   }
  ],
  "Maison": [
   {
    "band": "< 30 m²",
    "median": null,
    "n": 0
   },
   {
    "band": "30-60 m²",
    "median": null,
    "n": 0
   },
   {
    "band": "60-90 m²",
    "median": 2466,
    "n": 9
   },
   {
    "band": "90-120 m²",
    "median": 2500,
    "n": 15
   },
   {
    "band": "120 m² et +",
    "median": 1836,
    "n": 4
   }
  ]
 },
 "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/25397-montferrand-le-chateau"
}