{
  "address": "40 Mission Street, San Francisco, CA 94110",
  "path": "/san-francisco/mission/mission-street/3294/unit-40/",
  "apn": "6596025",
  "block": "6596",
  "lot": "025",
  "parcel": {
    "building_area_sqft": 2168,
    "bathrooms": 1,
    "basement_area_sqft": 1258
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 561816,
    "assessed_improvement_value": 374544,
    "last_sale_date": "2022-09-08"
  },
  "permits": [
    {
      "number": "201308073737",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2013-08-07",
      "status_date": "2013-08-15",
      "estimated_cost": 4600,
      "revised_cost": 4600,
      "description": "rail guard for stair (gate & barrier)",
      "source": "sf-building-permits"
    }
  ],
  "permit_summary": {
    "count_on_file": 2,
    "range": "2013–2017",
    "shown_on_page": 1,
    "note": "1 nominal $1 street-space or sidewalk permit is omitted from the timeline."
  },
  "sources": [
    {
      "id": "sf-assessor-roll",
      "name": "SF Office of the Assessor-Recorder via DataSF (2025 secured roll)",
      "query": "https://data.sfgov.org/resource/wv5m-vpq2.json?parcel_number=6596025&$order=closed_roll_year%20DESC&$limit=1",
      "retrieved": "2026-11-02"
    },
    {
      "id": "sf-building-permits",
      "name": "SF Dept. of Building Inspection via DataSF",
      "query": "https://data.sfgov.org/resource/i98e-djp9.json?block=6596&street_number=40",
      "retrieved": "2026-11-02"
    }
  ]
}