{
 "code_insee": "91425",
 "nom": "Montlhery",
 "departement": "91",
 "annee_reference": 2025,
 "prix_m2_median": 3358,
 "prix_m2_median_appartement": 3333,
 "prix_m2_median_appartement_yoy_pct": 3.8,
 "prix_m2_median_maison": 3417,
 "prix_m2_median_maison_yoy_pct": -0.9,
 "prix_vente_median": 151550,
 "ventes_annee_reference": 90,
 "ventes_5_ans": 502,
 "fiabilite": "Forte",
 "series_annuelles": [
  {
   "annee": 2021,
   "apt": 3286,
   "apt_n": 74,
   "maison": 3408,
   "maison_n": 46
  },
  {
   "annee": 2022,
   "apt": 3355,
   "apt_n": 89,
   "maison": 3920,
   "maison_n": 49
  },
  {
   "annee": 2023,
   "apt": 3403,
   "apt_n": 48,
   "maison": 3690,
   "maison_n": 36
  },
  {
   "annee": 2024,
   "apt": 3210,
   "apt_n": 35,
   "maison": 3447,
   "maison_n": 35
  },
  {
   "annee": 2025,
   "apt": 3333,
   "apt_n": 69,
   "maison": 3417,
   "maison_n": 21
  }
 ],
 "tranches_surface": {
  "Appartement": [
   {
    "band": "< 30 m²",
    "median": 3450,
    "n": 22
   },
   {
    "band": "30-60 m²",
    "median": 3333,
    "n": 55
   },
   {
    "band": "60-90 m²",
    "median": 3205,
    "n": 25
   },
   {
    "band": "90-120 m²",
    "median": 3088,
    "n": 1
   },
   {
    "band": "120 m² et +",
    "median": 2268,
    "n": 1
   }
  ],
  "Maison": [
   {
    "band": "< 30 m²",
    "median": null,
    "n": 0
   },
   {
    "band": "30-60 m²",
    "median": 4872,
    "n": 4
   },
   {
    "band": "60-90 m²",
    "median": 4000,
    "n": 16
   },
   {
    "band": "90-120 m²",
    "median": 3474,
    "n": 18
   },
   {
    "band": "120 m² et +",
    "median": 3002,
    "n": 18
   }
  ]
 },
 "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/91425-montlhery"
}