{
 "code_insee": "38189",
 "nom": "Heyrieux",
 "departement": "38",
 "annee_reference": 2025,
 "prix_m2_median": 3209,
 "prix_m2_median_appartement": 3235,
 "prix_m2_median_appartement_yoy_pct": 7.8,
 "prix_m2_median_maison": 2999,
 "prix_m2_median_maison_yoy_pct": -12.7,
 "prix_vente_median": 226025,
 "ventes_annee_reference": 50,
 "ventes_5_ans": 265,
 "fiabilite": "Modérée",
 "derniers_12_mois": {
  "debut": "2025-07-01",
  "fin": "2026-06-30",
  "ventes": 44,
  "prix_m2_median": 3369,
  "prix_m2_median_appartement": 3799,
  "prix_m2_median_appartement_yoy_pct": 23.3,
  "prix_m2_median_maison": 2927,
  "prix_m2_median_maison_yoy_pct": -14.1
 },
 "series_annuelles": [
  {
   "annee": 2021,
   "apt": 1488,
   "apt_n": 8,
   "maison": 3595,
   "maison_n": 26
  },
  {
   "annee": 2022,
   "apt": 3148,
   "apt_n": 18,
   "maison": 3561,
   "maison_n": 27
  },
  {
   "annee": 2023,
   "apt": 3426,
   "apt_n": 16,
   "maison": 3585,
   "maison_n": 43
  },
  {
   "annee": 2024,
   "apt": 3002,
   "apt_n": 14,
   "maison": 3435,
   "maison_n": 42
  },
  {
   "annee": 2025,
   "apt": 3235,
   "apt_n": 23,
   "maison": 2999,
   "maison_n": 27
  }
 ],
 "tranches_surface": {
  "Appartement": [
   {
    "band": "< 30 m²",
    "median": null,
    "n": 0
   },
   {
    "band": "30-60 m²",
    "median": 3158,
    "n": 23
   },
   {
    "band": "60-90 m²",
    "median": 3574,
    "n": 11
   },
   {
    "band": "90-120 m²",
    "median": 3028,
    "n": 3
   },
   {
    "band": "120 m² et +",
    "median": null,
    "n": 0
   }
  ],
  "Maison": [
   {
    "band": "< 30 m²",
    "median": null,
    "n": 0
   },
   {
    "band": "30-60 m²",
    "median": 3581,
    "n": 4
   },
   {
    "band": "60-90 m²",
    "median": 3375,
    "n": 31
   },
   {
    "band": "90-120 m²",
    "median": 3268,
    "n": 31
   },
   {
    "band": "120 m² et +",
    "median": 3251,
    "n": 3
   }
  ]
 },
 "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/38189-heyrieux"
}