{
 "code_insee": "74131",
 "nom": "Frangy",
 "departement": "74",
 "annee_reference": 2025,
 "prix_m2_median": 4064,
 "prix_m2_median_appartement": 4030,
 "prix_m2_median_appartement_yoy_pct": 9.1,
 "prix_m2_median_maison": 4663,
 "prix_m2_median_maison_yoy_pct": 58.2,
 "prix_vente_median": 261600,
 "ventes_annee_reference": 28,
 "ventes_5_ans": 133,
 "fiabilite": "Modérée",
 "derniers_12_mois": {
  "debut": "2025-07-01",
  "fin": "2026-06-30",
  "ventes": 30,
  "prix_m2_median": 3943,
  "prix_m2_median_appartement": 4030,
  "prix_m2_median_appartement_yoy_pct": 9.7,
  "prix_m2_median_maison": null,
  "prix_m2_median_maison_yoy_pct": null
 },
 "series_annuelles": [
  {
   "annee": 2021,
   "apt": 2791,
   "apt_n": 7,
   "maison": 2814,
   "maison_n": 7
  },
  {
   "annee": 2022,
   "apt": 2618,
   "apt_n": 20,
   "maison": 3400,
   "maison_n": 17
  },
  {
   "annee": 2023,
   "apt": 3377,
   "apt_n": 10,
   "maison": 3483,
   "maison_n": 13
  },
  {
   "annee": 2024,
   "apt": 3693,
   "apt_n": 9,
   "maison": 2948,
   "maison_n": 10
  },
  {
   "annee": 2025,
   "apt": 4030,
   "apt_n": 21,
   "maison": 4663,
   "maison_n": 7
  }
 ],
 "tranches_surface": {
  "Appartement": [
   {
    "band": "< 30 m²",
    "median": 3250,
    "n": 1
   },
   {
    "band": "30-60 m²",
    "median": 4547,
    "n": 7
   },
   {
    "band": "60-90 m²",
    "median": 3944,
    "n": 21
   },
   {
    "band": "90-120 m²",
    "median": 3040,
    "n": 1
   },
   {
    "band": "120 m² et +",
    "median": null,
    "n": 0
   }
  ],
  "Maison": [
   {
    "band": "< 30 m²",
    "median": null,
    "n": 0
   },
   {
    "band": "30-60 m²",
    "median": null,
    "n": 0
   },
   {
    "band": "60-90 m²",
    "median": 3428,
    "n": 8
   },
   {
    "band": "90-120 m²",
    "median": 3164,
    "n": 4
   },
   {
    "band": "120 m² et +",
    "median": 2969,
    "n": 5
   }
  ]
 },
 "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/74131-frangy"
}