{
 "code_insee": "77413",
 "nom": "Saint-Germain-sur-Morin",
 "departement": "77",
 "annee_reference": 2025,
 "prix_m2_median": 3189,
 "prix_m2_median_appartement": 3373,
 "prix_m2_median_appartement_yoy_pct": -10.7,
 "prix_m2_median_maison": 3155,
 "prix_m2_median_maison_yoy_pct": -5.6,
 "prix_vente_median": 262000,
 "ventes_annee_reference": 45,
 "ventes_5_ans": 229,
 "fiabilite": "Modérée",
 "derniers_12_mois": {
  "debut": "2025-07-01",
  "fin": "2026-06-30",
  "ventes": 59,
  "prix_m2_median": 3189,
  "prix_m2_median_appartement": 3593,
  "prix_m2_median_appartement_yoy_pct": 9.5,
  "prix_m2_median_maison": 3155,
  "prix_m2_median_maison_yoy_pct": -3
 },
 "series_annuelles": [
  {
   "annee": 2021,
   "apt": 4190,
   "apt_n": 4,
   "maison": 3568,
   "maison_n": 18
  },
  {
   "annee": 2022,
   "apt": 4188,
   "apt_n": 7,
   "maison": 3533,
   "maison_n": 38
  },
  {
   "annee": 2023,
   "apt": 3773,
   "apt_n": 9,
   "maison": 3467,
   "maison_n": 37
  },
  {
   "annee": 2024,
   "apt": 3779,
   "apt_n": 14,
   "maison": 3342,
   "maison_n": 28
  },
  {
   "annee": 2025,
   "apt": 3373,
   "apt_n": 17,
   "maison": 3155,
   "maison_n": 28
  }
 ],
 "tranches_surface": {
  "Appartement": [
   {
    "band": "< 30 m²",
    "median": null,
    "n": 0
   },
   {
    "band": "30-60 m²",
    "median": 3793,
    "n": 23
   },
   {
    "band": "60-90 m²",
    "median": 2924,
    "n": 7
   },
   {
    "band": "90-120 m²",
    "median": 2261,
    "n": 1
   },
   {
    "band": "120 m² et +",
    "median": null,
    "n": 0
   }
  ],
  "Maison": [
   {
    "band": "< 30 m²",
    "median": null,
    "n": 0
   },
   {
    "band": "30-60 m²",
    "median": 5566,
    "n": 3
   },
   {
    "band": "60-90 m²",
    "median": 3312,
    "n": 26
   },
   {
    "band": "90-120 m²",
    "median": 3288,
    "n": 18
   },
   {
    "band": "120 m² et +",
    "median": 2560,
    "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/77413-saint-germain-sur-morin"
}