{
  "query": {
    "country": "BR",
    "town": "Rio de Janeiro",
    "property_type": "any",
    "months": 12
  },
  "status": "ok",
  "price": {
    "currency": "BRL",
    "unit": "per home (declared transaction value)",
    "value": 544812,
    "measure": "median",
    "median": 544812,
    "typical_low": 197954,
    "typical_high": 1823708,
    "min": 32632,
    "max": 17189865
  },
  "sample_size": 21067,
  "period": {
    "from": "2025-09-01",
    "to": "2026-08-31"
  },
  "confidence": "high",
  "price_type": "posted_price",
  "as_of": "2026-11-04T01:06:40.602Z",
  "source": {
    "id": "br-itbi-rio",
    "name": "ITBI, property transfers in the city of Rio de Janeiro",
    "publisher": "Prefeitura da Cidade do Rio de Janeiro, Secretaria Municipal de Fazenda, via data.rio",
    "licence": "Creative Commons Attribution 4.0 International (CC BY 4.0), as stated in the layer's licence information on the publisher's open-data hub.",
    "licence_url": "https://creativecommons.org/licenses/by/4.0",
    "attribution": "Source: Prefeitura da Cidade do Rio de Janeiro, Secretaria Municipal de Fazenda, ITBI, data.rio, CC BY 4.0. Changed by ProofPrice: only residential purchase-and-sale transfers of apartments and houses, medians and percentiles computed over the city's street-month averages weighted by the number of transfers.",
    "url": "https://pgeo3.rio.rj.gov.br/arcgis/rest/services/Fazenda/ITBI/MapServer/8"
  },
  "method": "Brazil, Rio de Janeiro city: median and 10th-90th percentile of the transaction value declared for the ITBI property-transfer tax, for full purchase-and-sale transfers of apartments and houses over the last 3, 6, 12 or 24 months (your request is rounded to the nearest) ending at the newest month. The city publishes street-month averages; each counts once per transfer. The declared value is not a verified price paid. Promises of sale, partial transfers, values under BRL 30,000 and of BRL 20 million or more are dropped.",
  "method_url": "https://proofprice.com/method",
  "summary": "Homes in Rio de Janeiro had a median declared transaction value of R$544,812 (typical range R$197,954 to R$1,823,708), a median of R$7,252 per m2 of built area. This is the value declared for the property-transfer tax on the city's records, which may differ from the price actually paid. Based on 21067 records from Prefeitura da Cidade do Rio de Janeiro, Secretaria Municipal de Fazenda, via data.rio (2025-09-01 to 2026-08-31). Confidence: high.",
  "notice": "Information, not a valuation or offer. Ranges describe past recorded prices.",
  "extra": {
    "price_basis": "ITBI declared transaction value, not a verified price paid",
    "per_m2": {
      "median": 7252,
      "typical_low": 3354,
      "typical_high": 15718,
      "sample_size": 21065,
      "currency": "BRL"
    }
  },
  "answer_id": "ans_119844234c0e2a704f9f",
  "method_version": "1",
  "retrieved_at": "2026-11-04T01:06:40.601Z",
  "evidence": {
    "type": "posted_price",
    "label": "Posted or listed price",
    "meaning": "A price a seller, market or authority publishes in advance (a shelf price, tariff, fee schedule or quoted wholesale price): it is what is asked, not a record of what each customer paid."
  },
  "reliability": "record_level",
  "data_as_of": "2026-08-31",
  "data_age_days": 65,
  "suggestions": [
    "This is a posted price, not what each customer paid."
  ]
}