{
  "lastUpdated": "2026-07-30T07:13:38.423Z",
  "sampleData": false,
  "stateCount": 51,
  "countyCount": 3073,
  "metroCount": 925,
  "cityCount": 18052,
  "zipCount": 16386,
  "sources": [
    {
      "name": "Redfin",
      "url": "https://www.redfin.com/news/data-center/",
      "note": "Weekly housing market data"
    },
    {
      "name": "FRED (St. Louis Fed)",
      "url": "https://fred.stlouisfed.org/",
      "note": "Mortgage rates, economic indicators"
    },
    {
      "name": "FHFA",
      "url": "https://www.fhfa.gov/data/hpi",
      "note": "House Price Index"
    },
    {
      "name": "U.S. Census Bureau",
      "url": "https://data.census.gov/",
      "note": "Demographics, income, population"
    },
    {
      "name": "Bureau of Labor Statistics",
      "url": "https://www.bls.gov/data/",
      "note": "Employment data"
    },
    {
      "name": "HUD (Fair Market Rents)",
      "url": "https://www.huduser.gov/portal/datasets/fmr.html",
      "note": "Rental market data by state"
    },
    {
      "name": "BEA (Regional Price Parities)",
      "url": "https://www.bea.gov/data/prices-inflation/regional-price-parities-state-and-metro-area",
      "note": "Cost of living index"
    },
    {
      "name": "FBI Crime Data",
      "url": "https://cde.ucr.cjis.gov/",
      "note": "Violent and property crime rates"
    },
    {
      "name": "EPA SDWIS",
      "url": "https://www.epa.gov/enviro/sdwis-search",
      "note": "Drinking water quality violations"
    },
    {
      "name": "FEMA NRI",
      "url": "https://hazards.fema.gov/nri/",
      "note": "National Risk Index — 18 natural hazard types"
    },
    {
      "name": "FEMA NFIP",
      "url": "https://www.fema.gov/flood-insurance",
      "note": "National Flood Insurance Program policies and claims"
    },
    {
      "name": "FEMA Disasters",
      "url": "https://www.fema.gov/api/open",
      "note": "Disaster declarations by state"
    },
    {
      "name": "EIA",
      "url": "https://www.eia.gov/opendata/",
      "note": "Residential electricity prices by state"
    },
    {
      "name": "NOAA",
      "url": "https://www.ncdc.noaa.gov/cdo-web/",
      "note": "Climate normals — average annual temperature"
    },
    {
      "name": "BLS OES",
      "url": "https://www.bls.gov/oes/",
      "note": "Occupational employment and wage statistics — trade labor costs"
    },
    {
      "name": "NAIC",
      "url": "https://content.naic.org/",
      "note": "Homeowners insurance premiums by state"
    },
    {
      "name": "Tax Foundation",
      "url": "https://taxfoundation.org/",
      "note": "Effective property tax rates by state"
    }
  ]
}