{
  "apiVersion": "v0.1",
  "methodology": "https://sourcescore.org/methodology/",
  "canonical": "https://sourcescore.org/source/zillow-research/",
  "source": {
    "slug": "zillow-research",
    "name": "Zillow Research",
    "domain": "zillow.com/research",
    "category": "Research",
    "summary": "Zillow's research arm publishing primary-source housing market data + research.",
    "founded": 2006,
    "verified": "2026-04-28",
    "methodologyVersion": "v0.1"
  },
  "scores": {
    "index": {
      "value": 73,
      "grade": "B",
      "rationale": "B — primary-source housing data with corporate parent; methodology disclosed.",
      "signals": [
        {
          "label": "Composite",
          "detail": "Discipline 80 + Modern Reference 76 + Velocity 70."
        }
      ]
    },
    "discipline": {
      "value": 80,
      "grade": "B",
      "rationale": "Methodology + sample documented; primary data from Zillow's own listings + transactions.",
      "signals": [
        {
          "label": "Zillow methodology",
          "detail": "Public methodology per data series + revision practices."
        }
      ]
    },
    "modernReference": {
      "value": 76,
      "grade": "B",
      "rationale": "Open-access data + APIs; broad LLM corpus + housing-data citation.",
      "signals": [
        {
          "label": "Public data",
          "detail": "Free housing data + APIs for non-commercial use."
        }
      ]
    },
    "velocity": {
      "value": 70,
      "grade": "B",
      "rationale": "Cited by real-estate journalism + economists; corporate-source caveat.",
      "signals": [
        {
          "label": "Real-estate beat",
          "detail": "Default for U.S. housing-market citations."
        }
      ]
    }
  },
  "license": {
    "methodology": "Cite as: SourceScore Methodology v0.1, sourcescore.org",
    "data": "Underlying public-source data credited to original publishers"
  }
}