{
 "code_insee": "91386",
 "nom": "Mennecy",
 "departement": "91",
 "annee_reference": 2025,
 "prix_m2_median": 3030,
 "prix_m2_median_appartement": 3065,
 "prix_m2_median_appartement_yoy_pct": -4.8,
 "prix_m2_median_maison": 3027,
 "prix_m2_median_maison_yoy_pct": 1.6,
 "prix_vente_median": 296500,
 "ventes_annee_reference": 188,
 "ventes_5_ans": 1021,
 "fiabilite": "Forte",
 "series_annuelles": [
  {
   "annee": 2021,
   "apt": 2961,
   "apt_n": 78,
   "maison": 3177,
   "maison_n": 158
  },
  {
   "annee": 2022,
   "apt": 3296,
   "apt_n": 94,
   "maison": 3177,
   "maison_n": 154
  },
  {
   "annee": 2023,
   "apt": 3187,
   "apt_n": 72,
   "maison": 3136,
   "maison_n": 102
  },
  {
   "annee": 2024,
   "apt": 3220,
   "apt_n": 74,
   "maison": 2978,
   "maison_n": 101
  },
  {
   "annee": 2025,
   "apt": 3065,
   "apt_n": 63,
   "maison": 3027,
   "maison_n": 125
  }
 ],
 "tranches_surface": {
  "Appartement": [
   {
    "band": "< 30 m²",
    "median": 3850,
    "n": 9
   },
   {
    "band": "30-60 m²",
    "median": 3590,
    "n": 59
   },
   {
    "band": "60-90 m²",
    "median": 2546,
    "n": 62
   },
   {
    "band": "90-120 m²",
    "median": 1927,
    "n": 7
   },
   {
    "band": "120 m² et +",
    "median": null,
    "n": 0
   }
  ],
  "Maison": [
   {
    "band": "< 30 m²",
    "median": 2708,
    "n": 1
   },
   {
    "band": "30-60 m²",
    "median": 4990,
    "n": 6
   },
   {
    "band": "60-90 m²",
    "median": 3418,
    "n": 37
   },
   {
    "band": "90-120 m²",
    "median": 3085,
    "n": 84
   },
   {
    "band": "120 m² et +",
    "median": 2801,
    "n": 98
   }
  ]
 },
 "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/91386-mennecy"
}