{
 "code_insee": "63300",
 "nom": "Riom",
 "departement": "63",
 "annee_reference": 2025,
 "prix_m2_median": 1969,
 "prix_m2_median_appartement": 1751,
 "prix_m2_median_appartement_yoy_pct": -4.3,
 "prix_m2_median_maison": 2289,
 "prix_m2_median_maison_yoy_pct": 2.4,
 "prix_vente_median": 145925,
 "ventes_annee_reference": 214,
 "ventes_5_ans": 1038,
 "fiabilite": "Forte",
 "series_annuelles": [
  {
   "annee": 2021,
   "apt": 1633,
   "apt_n": 111,
   "maison": 2196,
   "maison_n": 147
  },
  {
   "annee": 2022,
   "apt": 1757,
   "apt_n": 81,
   "maison": 2166,
   "maison_n": 97
  },
  {
   "annee": 2023,
   "apt": 1770,
   "apt_n": 106,
   "maison": 2446,
   "maison_n": 96
  },
  {
   "annee": 2024,
   "apt": 1830,
   "apt_n": 77,
   "maison": 2236,
   "maison_n": 109
  },
  {
   "annee": 2025,
   "apt": 1751,
   "apt_n": 105,
   "maison": 2289,
   "maison_n": 109
  }
 ],
 "tranches_surface": {
  "Appartement": [
   {
    "band": "< 30 m²",
    "median": 1822,
    "n": 14
   },
   {
    "band": "30-60 m²",
    "median": 1894,
    "n": 65
   },
   {
    "band": "60-90 m²",
    "median": 1713,
    "n": 76
   },
   {
    "band": "90-120 m²",
    "median": 1544,
    "n": 14
   },
   {
    "band": "120 m² et +",
    "median": 1824,
    "n": 13
   }
  ],
  "Maison": [
   {
    "band": "< 30 m²",
    "median": null,
    "n": 0
   },
   {
    "band": "30-60 m²",
    "median": 2382,
    "n": 11
   },
   {
    "band": "60-90 m²",
    "median": 2345,
    "n": 93
   },
   {
    "band": "90-120 m²",
    "median": 2189,
    "n": 87
   },
   {
    "band": "120 m² et +",
    "median": 2383,
    "n": 27
   }
  ]
 },
 "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/63300-riom"
}