{
  "query": {
    "country": "CH",
    "town": "Zürich",
    "property_type": "flat"
  },
  "status": "ok",
  "price": {
    "currency": "CHF",
    "unit": "per flat",
    "value": 1681598,
    "measure": "median",
    "median": 1681598,
    "typical_low": null,
    "typical_high": null,
    "min": null,
    "max": null
  },
  "sample_size": 720,
  "period": {
    "from": "2025-01-01",
    "to": "2025-12-31"
  },
  "confidence": "high",
  "price_type": "transaction",
  "statistic": {
    "measure": "median",
    "reference_period": "2025"
  },
  "as_of": "2026-11-04T01:04:16.298Z",
  "source": {
    "id": "ch-zurich-home-sales",
    "name": "Median price of freehold condominiums sold, by year and city district (Statistik Stadt Zürich)",
    "publisher": "Statistik Stadt Zürich (Präsidialdepartement der Stadt Zürich)",
    "licence": "Creative Commons CCZero (CC0 1.0): the dataset's licence on data.stadt-zuerich.ch.",
    "licence_url": "https://creativecommons.org/publicdomain/zero/1.0/",
    "attribution": "Source: Statistik Stadt Zürich, Open Data Zürich, 'Preise für Stockwerkeigentum nach Stadtquartier' (data.stadt-zuerich.ch, CC0 1.0).",
    "url": "https://data.stadt-zuerich.ch/dataset/bau_hae_preis_stockwerkeigentum_stadtquartier_od5157"
  },
  "method": "Statistik Stadt Zürich publishes, for each year, the number of freehold condominium sales between private parties (Freihandkäufe im Stockwerkeigentum) and the median price per flat and per square metre of living area, for the whole city, each district (Kreis) and each statistical quarter, from the registered property transfers. ProofPrice returns the published median for the newest year in which the area has at least 5 sales and a published median, unchanged, with the year before and the whole-city median. Changes are calculated by ProofPrice from two published medians. No range is published, so none is shown.",
  "method_url": "https://proofprice.com/method",
  "summary": "The median price paid for a freehold condominium in the city of Zürich in 2025 was CHF 1,681,598 (720 sales, median CHF 17,646 per m² of living area). That is 14% higher than the median in 2024. Median of registered private sales published by Statistik Stadt Zürich; no price range is published.",
  "notice": "Information, not a valuation or offer. Ranges describe past recorded prices.",
  "extra": {
    "area": "Ganze Stadt",
    "median_price_per_m2_living_area_chf": 17646,
    "mean_price_per_flat_chf": 1925988,
    "previous_year": {
      "year": 2024,
      "median_chf": 1475000,
      "sales": 672,
      "change_percent": 14
    },
    "whole_city": null
  },
  "answer_id": "ans_e3aa74776bccc6798dac",
  "method_version": "1",
  "retrieved_at": "2026-11-04T01:04:16.298Z",
  "evidence": {
    "type": "transaction",
    "label": "Recorded sale prices",
    "meaning": "Prices recorded in official records of completed sales: they show what others paid, not what a particular item is worth or what is on offer now."
  },
  "reliability": "official_with_count",
  "data_as_of": "2025-12-31",
  "data_age_days": 308,
  "suggestions": [
    "This is one published figure for a group: for a specific job or purchase, ask for an itemised quote."
  ]
}