{
 "code_insee": "76451",
 "nom": "Mont-Saint-Aignan",
 "departement": "76",
 "annee_reference": 2025,
 "prix_m2_median": 2426,
 "prix_m2_median_appartement": 1994,
 "prix_m2_median_appartement_yoy_pct": -1.3,
 "prix_m2_median_maison": 3205,
 "prix_m2_median_maison_yoy_pct": -3.1,
 "prix_vente_median": 164000,
 "ventes_annee_reference": 269,
 "ventes_5_ans": 1500,
 "fiabilite": "Forte",
 "series_annuelles": [
  {
   "annee": 2021,
   "apt": 1957,
   "apt_n": 205,
   "maison": 3151,
   "maison_n": 109
  },
  {
   "annee": 2022,
   "apt": 2119,
   "apt_n": 241,
   "maison": 3558,
   "maison_n": 101
  },
  {
   "annee": 2023,
   "apt": 1990,
   "apt_n": 217,
   "maison": 3551,
   "maison_n": 85
  },
  {
   "annee": 2024,
   "apt": 2020,
   "apt_n": 204,
   "maison": 3308,
   "maison_n": 69
  },
  {
   "annee": 2025,
   "apt": 1994,
   "apt_n": 180,
   "maison": 3205,
   "maison_n": 89
  }
 ],
 "tranches_surface": {
  "Appartement": [
   {
    "band": "< 30 m²",
    "median": 3038,
    "n": 18
   },
   {
    "band": "30-60 m²",
    "median": 2000,
    "n": 117
   },
   {
    "band": "60-90 m²",
    "median": 1911,
    "n": 188
   },
   {
    "band": "90-120 m²",
    "median": 2177,
    "n": 52
   },
   {
    "band": "120 m² et +",
    "median": 2029,
    "n": 9
   }
  ],
  "Maison": [
   {
    "band": "< 30 m²",
    "median": null,
    "n": 0
   },
   {
    "band": "30-60 m²",
    "median": 3051,
    "n": 4
   },
   {
    "band": "60-90 m²",
    "median": 3812,
    "n": 28
   },
   {
    "band": "90-120 m²",
    "median": 3235,
    "n": 50
   },
   {
    "band": "120 m² et +",
    "median": 3175,
    "n": 76
   }
  ]
 },
 "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/76451-mont-saint-aignan"
}