{
 "code_insee": "42019",
 "nom": "Boën-sur-Lignon",
 "departement": "42",
 "annee_reference": 2025,
 "prix_m2_median": 1152,
 "prix_m2_median_appartement": 1152,
 "prix_m2_median_appartement_yoy_pct": 36.7,
 "prix_m2_median_maison": 1235,
 "prix_m2_median_maison_yoy_pct": -4.4,
 "prix_vente_median": 90000,
 "ventes_annee_reference": 49,
 "ventes_5_ans": 201,
 "fiabilite": "Modérée",
 "derniers_12_mois": {
  "debut": "2025-07-01",
  "fin": "2026-06-30",
  "ventes": 40,
  "prix_m2_median": 1155,
  "prix_m2_median_appartement": 1155,
  "prix_m2_median_appartement_yoy_pct": 6.5,
  "prix_m2_median_maison": 1217,
  "prix_m2_median_maison_yoy_pct": -15.7
 },
 "series_annuelles": [
  {
   "annee": 2021,
   "apt": 852,
   "apt_n": 4,
   "maison": 961,
   "maison_n": 16
  },
  {
   "annee": 2022,
   "apt": 1100,
   "apt_n": 7,
   "maison": 1304,
   "maison_n": 33
  },
  {
   "annee": 2023,
   "apt": 990,
   "apt_n": 10,
   "maison": 1247,
   "maison_n": 25
  },
  {
   "annee": 2024,
   "apt": 843,
   "apt_n": 9,
   "maison": 1292,
   "maison_n": 33
  },
  {
   "annee": 2025,
   "apt": 1152,
   "apt_n": 21,
   "maison": 1235,
   "maison_n": 28
  }
 ],
 "tranches_surface": {
  "Appartement": [
   {
    "band": "< 30 m²",
    "median": null,
    "n": 0
   },
   {
    "band": "30-60 m²",
    "median": 1163,
    "n": 11
   },
   {
    "band": "60-90 m²",
    "median": 928,
    "n": 11
   },
   {
    "band": "90-120 m²",
    "median": 1166,
    "n": 8
   },
   {
    "band": "120 m² et +",
    "median": null,
    "n": 0
   }
  ],
  "Maison": [
   {
    "band": "< 30 m²",
    "median": 6625,
    "n": 1
   },
   {
    "band": "30-60 m²",
    "median": 801,
    "n": 10
   },
   {
    "band": "60-90 m²",
    "median": 1430,
    "n": 25
   },
   {
    "band": "90-120 m²",
    "median": 1672,
    "n": 16
   },
   {
    "band": "120 m² et +",
    "median": 1031,
    "n": 9
   }
  ]
 },
 "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/42019-boen-sur-lignon"
}