{
 "code_insee": "42256",
 "nom": "Saint-Marcellin-en-Forez",
 "departement": "42",
 "annee_reference": 2025,
 "prix_m2_median": 2270,
 "prix_m2_median_appartement": 1560,
 "prix_m2_median_appartement_yoy_pct": -23.2,
 "prix_m2_median_maison": 2347,
 "prix_m2_median_maison_yoy_pct": 2.3,
 "prix_vente_median": 180000,
 "ventes_annee_reference": 35,
 "ventes_5_ans": 193,
 "fiabilite": "Modérée",
 "derniers_12_mois": {
  "debut": "2025-07-01",
  "fin": "2026-06-30",
  "ventes": 32,
  "prix_m2_median": 2252,
  "prix_m2_median_appartement": null,
  "prix_m2_median_appartement_yoy_pct": null,
  "prix_m2_median_maison": 2348,
  "prix_m2_median_maison_yoy_pct": -0.5
 },
 "series_annuelles": [
  {
   "annee": 2021,
   "apt": 1569,
   "apt_n": 6,
   "maison": 2392,
   "maison_n": 18
  },
  {
   "annee": 2022,
   "apt": 1918,
   "apt_n": 6,
   "maison": 2446,
   "maison_n": 45
  },
  {
   "annee": 2023,
   "apt": 1932,
   "apt_n": 8,
   "maison": 2373,
   "maison_n": 26
  },
  {
   "annee": 2024,
   "apt": 2031,
   "apt_n": 4,
   "maison": 2295,
   "maison_n": 32
  },
  {
   "annee": 2025,
   "apt": 1560,
   "apt_n": 7,
   "maison": 2347,
   "maison_n": 28
  }
 ],
 "tranches_surface": {
  "Appartement": [
   {
    "band": "< 30 m²",
    "median": null,
    "n": 0
   },
   {
    "band": "30-60 m²",
    "median": 1893,
    "n": 5
   },
   {
    "band": "60-90 m²",
    "median": 1805,
    "n": 5
   },
   {
    "band": "90-120 m²",
    "median": 1174,
    "n": 1
   },
   {
    "band": "120 m² et +",
    "median": null,
    "n": 0
   }
  ],
  "Maison": [
   {
    "band": "< 30 m²",
    "median": null,
    "n": 0
   },
   {
    "band": "30-60 m²",
    "median": 2364,
    "n": 14
   },
   {
    "band": "60-90 m²",
    "median": 2129,
    "n": 21
   },
   {
    "band": "90-120 m²",
    "median": 2309,
    "n": 18
   },
   {
    "band": "120 m² et +",
    "median": 2503,
    "n": 7
   }
  ]
 },
 "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/42256-saint-marcellin-en-forez"
}