{
 "code_insee": "93047",
 "nom": "Montfermeil",
 "departement": "93",
 "annee_reference": 2025,
 "prix_m2_median": 3306,
 "prix_m2_median_appartement": 3158,
 "prix_m2_median_appartement_yoy_pct": 4.2,
 "prix_m2_median_maison": 3399,
 "prix_m2_median_maison_yoy_pct": -7.5,
 "prix_vente_median": 260000,
 "ventes_annee_reference": 207,
 "ventes_5_ans": 1117,
 "fiabilite": "Forte",
 "series_annuelles": [
  {
   "annee": 2021,
   "apt": 3077,
   "apt_n": 62,
   "maison": 3579,
   "maison_n": 207
  },
  {
   "annee": 2022,
   "apt": 3460,
   "apt_n": 62,
   "maison": 3666,
   "maison_n": 198
  },
  {
   "annee": 2023,
   "apt": 3089,
   "apt_n": 37,
   "maison": 3547,
   "maison_n": 156
  },
  {
   "annee": 2024,
   "apt": 3031,
   "apt_n": 45,
   "maison": 3676,
   "maison_n": 143
  },
  {
   "annee": 2025,
   "apt": 3158,
   "apt_n": 49,
   "maison": 3399,
   "maison_n": 158
  }
 ],
 "tranches_surface": {
  "Appartement": [
   {
    "band": "< 30 m²",
    "median": 4250,
    "n": 8
   },
   {
    "band": "30-60 m²",
    "median": 3306,
    "n": 47
   },
   {
    "band": "60-90 m²",
    "median": 2850,
    "n": 33
   },
   {
    "band": "90-120 m²",
    "median": 2576,
    "n": 6
   },
   {
    "band": "120 m² et +",
    "median": null,
    "n": 0
   }
  ],
  "Maison": [
   {
    "band": "< 30 m²",
    "median": 7964,
    "n": 2
   },
   {
    "band": "30-60 m²",
    "median": 4720,
    "n": 55
   },
   {
    "band": "60-90 m²",
    "median": 3765,
    "n": 126
   },
   {
    "band": "90-120 m²",
    "median": 3057,
    "n": 72
   },
   {
    "band": "120 m² et +",
    "median": 2790,
    "n": 46
   }
  ]
 },
 "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/93047-montfermeil"
}