{
 "code_insee": "53147",
 "nom": "Mayenne",
 "departement": "53",
 "annee_reference": 2025,
 "prix_m2_median": 1552,
 "prix_m2_median_appartement": 1502,
 "prix_m2_median_appartement_yoy_pct": 5.1,
 "prix_m2_median_maison": 1563,
 "prix_m2_median_maison_yoy_pct": -3.6,
 "prix_vente_median": 130000,
 "ventes_annee_reference": 148,
 "ventes_5_ans": 784,
 "fiabilite": "Forte",
 "series_annuelles": [
  {
   "annee": 2021,
   "apt": 1316,
   "apt_n": 36,
   "maison": 1379,
   "maison_n": 130
  },
  {
   "annee": 2022,
   "apt": 1438,
   "apt_n": 45,
   "maison": 1675,
   "maison_n": 127
  },
  {
   "annee": 2023,
   "apt": 1388,
   "apt_n": 41,
   "maison": 1581,
   "maison_n": 119
  },
  {
   "annee": 2024,
   "apt": 1429,
   "apt_n": 31,
   "maison": 1621,
   "maison_n": 107
  },
  {
   "annee": 2025,
   "apt": 1502,
   "apt_n": 34,
   "maison": 1563,
   "maison_n": 114
  }
 ],
 "tranches_surface": {
  "Appartement": [
   {
    "band": "< 30 m²",
    "median": 1741,
    "n": 9
   },
   {
    "band": "30-60 m²",
    "median": 1502,
    "n": 30
   },
   {
    "band": "60-90 m²",
    "median": 1447,
    "n": 20
   },
   {
    "band": "90-120 m²",
    "median": 1607,
    "n": 4
   },
   {
    "band": "120 m² et +",
    "median": 1113,
    "n": 2
   }
  ],
  "Maison": [
   {
    "band": "< 30 m²",
    "median": 763,
    "n": 4
   },
   {
    "band": "30-60 m²",
    "median": 1514,
    "n": 9
   },
   {
    "band": "60-90 m²",
    "median": 1686,
    "n": 98
   },
   {
    "band": "90-120 m²",
    "median": 1669,
    "n": 70
   },
   {
    "band": "120 m² et +",
    "median": 1352,
    "n": 40
   }
  ]
 },
 "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/53147-mayenne"
}