{
 "code_insee": "78502",
 "nom": "Port-Marly (le)",
 "departement": "78",
 "annee_reference": 2025,
 "prix_m2_median": 4628,
 "prix_m2_median_appartement": 4597,
 "prix_m2_median_appartement_yoy_pct": -0.6,
 "prix_m2_median_maison": 5234,
 "prix_m2_median_maison_yoy_pct": 16.5,
 "prix_vente_median": 266601,
 "ventes_annee_reference": 62,
 "ventes_5_ans": 344,
 "fiabilite": "Modérée",
 "series_annuelles": [
  {
   "annee": 2021,
   "apt": 4452,
   "apt_n": 83,
   "maison": 5486,
   "maison_n": 7
  },
  {
   "annee": 2022,
   "apt": 4250,
   "apt_n": 76,
   "maison": 4986,
   "maison_n": 7
  },
  {
   "annee": 2023,
   "apt": 4157,
   "apt_n": 62,
   "maison": 4741,
   "maison_n": 3
  },
  {
   "annee": 2024,
   "apt": 4625,
   "apt_n": 41,
   "maison": 4491,
   "maison_n": 3
  },
  {
   "annee": 2025,
   "apt": 4597,
   "apt_n": 56,
   "maison": 5234,
   "maison_n": 6
  }
 ],
 "tranches_surface": {
  "Appartement": [
   {
    "band": "< 30 m²",
    "median": 4344,
    "n": 4
   },
   {
    "band": "30-60 m²",
    "median": 4762,
    "n": 40
   },
   {
    "band": "60-90 m²",
    "median": 4535,
    "n": 40
   },
   {
    "band": "90-120 m²",
    "median": 4400,
    "n": 13
   },
   {
    "band": "120 m² et +",
    "median": null,
    "n": 0
   }
  ],
  "Maison": [
   {
    "band": "< 30 m²",
    "median": null,
    "n": 0
   },
   {
    "band": "30-60 m²",
    "median": 4280,
    "n": 1
   },
   {
    "band": "60-90 m²",
    "median": null,
    "n": 0
   },
   {
    "band": "90-120 m²",
    "median": 4491,
    "n": 1
   },
   {
    "band": "120 m² et +",
    "median": 5324,
    "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/78502-port-marly-le"
}