{
 "code_insee": "91345",
 "nom": "Longjumeau",
 "departement": "91",
 "annee_reference": 2025,
 "prix_m2_median": 2927,
 "prix_m2_median_appartement": 2646,
 "prix_m2_median_appartement_yoy_pct": 1.1,
 "prix_m2_median_maison": 3411,
 "prix_m2_median_maison_yoy_pct": -5,
 "prix_vente_median": 181240,
 "ventes_annee_reference": 229,
 "ventes_5_ans": 1356,
 "fiabilite": "Forte",
 "series_annuelles": [
  {
   "annee": 2021,
   "apt": 2863,
   "apt_n": 251,
   "maison": 3779,
   "maison_n": 126
  },
  {
   "annee": 2022,
   "apt": 3000,
   "apt_n": 208,
   "maison": 3778,
   "maison_n": 93
  },
  {
   "annee": 2023,
   "apt": 2779,
   "apt_n": 195,
   "maison": 3645,
   "maison_n": 58
  },
  {
   "annee": 2024,
   "apt": 2616,
   "apt_n": 143,
   "maison": 3591,
   "maison_n": 53
  },
  {
   "annee": 2025,
   "apt": 2646,
   "apt_n": 155,
   "maison": 3411,
   "maison_n": 74
  }
 ],
 "tranches_surface": {
  "Appartement": [
   {
    "band": "< 30 m²",
    "median": 3975,
    "n": 18
   },
   {
    "band": "30-60 m²",
    "median": 3036,
    "n": 97
   },
   {
    "band": "60-90 m²",
    "median": 2382,
    "n": 174
   },
   {
    "band": "90-120 m²",
    "median": 2582,
    "n": 9
   },
   {
    "band": "120 m² et +",
    "median": null,
    "n": 0
   }
  ],
  "Maison": [
   {
    "band": "< 30 m²",
    "median": null,
    "n": 0
   },
   {
    "band": "30-60 m²",
    "median": 5283,
    "n": 7
   },
   {
    "band": "60-90 m²",
    "median": 3633,
    "n": 48
   },
   {
    "band": "90-120 m²",
    "median": 3238,
    "n": 43
   },
   {
    "band": "120 m² et +",
    "median": 3211,
    "n": 29
   }
  ]
 },
 "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/91345-longjumeau"
}