{
  "address": "3844 21st Street, San Francisco, CA 94114",
  "path": "/san-francisco/castro/21st-street/3844/",
  "apn": "3603016",
  "block": "3603",
  "lot": "016",
  "eas_baseid": "361927",
  "coordinates": {
    "lat": 37.756405,
    "lng": -122.43343
  },
  "parcel": {
    "year_built": 1905,
    "units": 1,
    "stories": 2,
    "rooms": 6,
    "bathrooms": 2,
    "lot_area_sqft": 2850,
    "building_area_sqft": 1740,
    "lot_depth_ft": 14,
    "use": "Single Family Residential",
    "property_class": "Dwelling",
    "construction_type_code": "D",
    "zoning": "RH-2",
    "supervisor_district": 8,
    "assessor_neighborhood": "Eureka Valley/Dolores Heights",
    "analysis_neighborhood": "Castro/Upper Market",
    "property_location_raw": "0000 3844 21ST                ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 192952,
    "assessed_improvement_value": 203110
  },
  "historic_status": {
    "ceqa_status_code": "A",
    "ceqa_status_code_article_10_11": "A",
    "ceqa_status_label": "Historic resource",
    "reason": "California Register Historic District",
    "yearbuilt": "1905",
    "in_article_10_11_historic_district": false,
    "source": "sf-planning"
  },
  "historic_district": {
    "name": "Castro & Liberty Streets Historic District",
    "california_register_status": "Eligible (not listed)",
    "national_register_status": "Not listed",
    "article_10_11_status": "No local landmark protection",
    "local_landmark_protection": false,
    "period_of_significance": "1897–1906",
    "source": "sf-historic-districts"
  },
  "permits": [
    {
      "number": "201906032237",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2019-06-03",
      "status_date": "2019-07-25",
      "estimated_cost": 9500,
      "revised_cost": 9500,
      "description": "repair, in-kind, less than 50% of deck in back of property. district inspector to make site visit prior to start of repair.",
      "source": "sf-building-permits"
    },
    {
      "number": "200205317917",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2002-05-31",
      "status_date": "2002-05-31",
      "estimated_cost": 5800,
      "revised_cost": 5800,
      "description": "reroofing",
      "source": "sf-building-permits"
    },
    {
      "number": "8410819",
      "type": "additions alterations or repairs",
      "status": "cancelled",
      "filed": "1984-10-09",
      "status_date": "1985-04-10",
      "estimated_cost": 65000,
      "description": "remodel & add a new ketchen/areddkfabt room/bathrm.",
      "source": "sf-building-permits"
    },
    {
      "number": "8407978",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1984-07-24",
      "status_date": "1985-05-06",
      "estimated_cost": 3000,
      "description": "return house to single family dwelling",
      "source": "sf-building-permits"
    }
  ],
  "sources": [
    {
      "id": "sf-eas-addresses",
      "name": "SF Enterprise Addressing System via DataSF",
      "query": "https://data.sfgov.org/resource/3mea-di5p.json?street_name=21ST&street_type=ST&address_number=3844",
      "retrieved": "2026-07-28"
    },
    {
      "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=3603016&$order=closed_roll_year%20DESC&$limit=1",
      "retrieved": "2026-07-28"
    },
    {
      "id": "sf-building-permits",
      "name": "SF Dept. of Building Inspection via DataSF",
      "query": "https://data.sfgov.org/resource/i98e-djp9.json?block=3603&lot=016",
      "retrieved": "2026-07-28"
    },
    {
      "id": "sf-planning",
      "name": "SF Planning Department — Historic Resource Status by Parcel via DataSF",
      "query": "https://data.sfgov.org/resource/3tsw-4idn.json?apn=3603016",
      "retrieved": "2026-07-28"
    },
    {
      "id": "sf-historic-districts",
      "name": "SF Planning Department — Historic Districts via DataSF",
      "query": "https://data.sfgov.org/resource/63x5-g3m4.json?$where=intersects(the_geom,%20%27POINT(-122.43343000762768%2037.75640538623409)%27)",
      "retrieved": "2026-07-28"
    }
  ]
}