{
 "code_insee": "74269",
 "nom": "Seyssel",
 "departement": "74",
 "annee_reference": 2025,
 "prix_m2_median": 2941,
 "prix_m2_median_appartement": 2732,
 "prix_m2_median_appartement_yoy_pct": 6.8,
 "prix_m2_median_maison": 3048,
 "prix_m2_median_maison_yoy_pct": -8.5,
 "prix_vente_median": 237000,
 "ventes_annee_reference": 37,
 "ventes_5_ans": 163,
 "fiabilite": "Modérée",
 "derniers_12_mois": {
  "debut": "2025-07-01",
  "fin": "2026-06-30",
  "ventes": 33,
  "prix_m2_median": 3052,
  "prix_m2_median_appartement": 3031,
  "prix_m2_median_appartement_yoy_pct": 13.6,
  "prix_m2_median_maison": 3052,
  "prix_m2_median_maison_yoy_pct": -11.7
 },
 "series_annuelles": [
  {
   "annee": 2021,
   "apt": 2655,
   "apt_n": 10,
   "maison": 3613,
   "maison_n": 11
  },
  {
   "annee": 2022,
   "apt": 2434,
   "apt_n": 19,
   "maison": 2879,
   "maison_n": 17
  },
  {
   "annee": 2023,
   "apt": 3020,
   "apt_n": 22,
   "maison": 1883,
   "maison_n": 16
  },
  {
   "annee": 2024,
   "apt": 2557,
   "apt_n": 11,
   "maison": 3330,
   "maison_n": 12
  },
  {
   "annee": 2025,
   "apt": 2732,
   "apt_n": 21,
   "maison": 3048,
   "maison_n": 16
  }
 ],
 "tranches_surface": {
  "Appartement": [
   {
    "band": "< 30 m²",
    "median": 227,
    "n": 1
   },
   {
    "band": "30-60 m²",
    "median": 3055,
    "n": 15
   },
   {
    "band": "60-90 m²",
    "median": 2705,
    "n": 12
   },
   {
    "band": "90-120 m²",
    "median": 1572,
    "n": 4
   },
   {
    "band": "120 m² et +",
    "median": null,
    "n": 0
   }
  ],
  "Maison": [
   {
    "band": "< 30 m²",
    "median": null,
    "n": 0
   },
   {
    "band": "30-60 m²",
    "median": 3455,
    "n": 1
   },
   {
    "band": "60-90 m²",
    "median": 3863,
    "n": 9
   },
   {
    "band": "90-120 m²",
    "median": 3158,
    "n": 7
   },
   {
    "band": "120 m² et +",
    "median": 2786,
    "n": 11
   }
  ]
 },
 "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/74269-seyssel"
}