{
  "address": "3800 21st Street, San Francisco, CA 94114",
  "path": "/san-francisco/castro/21st-street/3800/",
  "apn": "3603006A",
  "block": "3603",
  "lot": "006A",
  "eas_baseid": "361917",
  "coordinates": {
    "lat": 37.756323,
    "lng": -122.432541
  },
  "parcel": {
    "year_built": 1900,
    "units": 1,
    "stories": 1,
    "rooms": 5,
    "bathrooms": 1,
    "lot_area_sqft": 2674,
    "building_area_sqft": 1530,
    "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 3800 21ST                ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 35551,
    "assessed_improvement_value": 36932
  },
  "historic_status": {
    "ceqa_status_code": "B",
    "ceqa_status_code_article_10_11": "B",
    "ceqa_status_label": "Unevaluated",
    "reason": "No evaluation and 45 years or older",
    "yearbuilt": "1900",
    "in_article_10_11_historic_district": false,
    "source": "sf-planning"
  },
  "permits": [
    {
      "number": "M73006",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2007-06-14",
      "status_date": "2007-06-14",
      "revised_cost": 0,
      "description": "street space & sidewalk",
      "source": "sf-building-permits"
    },
    {
      "number": "M37309",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2006-04-27",
      "status_date": "2006-04-27",
      "revised_cost": 0,
      "description": "streetspace",
      "source": "sf-building-permits"
    },
    {
      "number": "200509021926",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2005-09-02",
      "status_date": "2005-10-14",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "renewal of app #200310238392/200403128454/200308142122 for final insp.",
      "source": "sf-building-permits"
    },
    {
      "number": "200509021927",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2005-09-02",
      "status_date": "2005-10-14",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "renew app #200312041580/200201046321/200310177821 for final inspection",
      "source": "sf-building-permits"
    },
    {
      "number": "200403128454",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2004-03-12",
      "status_date": "2004-03-12",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "alteration to permit 200312041580. change garage stair to circular exterior.",
      "source": "sf-building-permits"
    },
    {
      "number": "200312041580",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2003-12-04",
      "status_date": "2003-12-04",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "revision to app 200308142122-change from fixed fire stair to counter balanced",
      "source": "sf-building-permits"
    },
    {
      "number": "200310238393",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2003-10-23",
      "status_date": "2003-10-23",
      "estimated_cost": 250,
      "revised_cost": 250,
      "description": "replace extg siding/install stucco at lower elevation per app #200308142122/add rooftop final",
      "source": "sf-building-permits"
    },
    {
      "number": "200310218122",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2003-10-21",
      "status_date": "2003-10-21",
      "estimated_cost": 15200,
      "revised_cost": 15200,
      "description": "reroofing",
      "source": "sf-building-permits"
    },
    {
      "number": "200310177821",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2003-10-17",
      "status_date": "2003-10-17",
      "estimated_cost": 200,
      "revised_cost": 200,
      "description": "revisions to framing plans of 200308142122",
      "source": "sf-building-permits"
    },
    {
      "number": "200308142122",
      "type": "additions alterations or repairs",
      "status": "issued",
      "filed": "2003-08-14",
      "status_date": "2003-09-15",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "rev. of engineering plans- foundation & framing",
      "source": "sf-building-permits"
    },
    {
      "number": "200204032968",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "2002-04-03",
      "status_date": "2002-08-03",
      "estimated_cost": 400,
      "revised_cost": 400,
      "description": "repair stairs & guardrails",
      "source": "sf-building-permits"
    },
    {
      "number": "200201046321",
      "type": "additions alterations or repairs",
      "status": "issued",
      "filed": "2002-01-04",
      "status_date": "2002-11-15",
      "estimated_cost": 80000,
      "revised_cost": 120000,
      "description": "raising roof to expand uppe floor bedrm/bath & lookout rm, minor alterations to main fl/exc basement",
      "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=3800",
      "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=3603006A&$order=closed_roll_year%20DESC&$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=006A",
      "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=3603006A",
      "retrieved": "2026-07-28"
    },
    {
      "id": "sf-planning-commission-minutes-2002-06-20",
      "name": "San Francisco City Planning Commission, minutes of the meeting of 20 June 2002",
      "label": "San Francisco City Planning Commission minutes, San Francisco Public Library (Internet Archive)",
      "query": "https://archive.org/details/52minutesofsanfran2002san/page/n320/mode/1up",
      "retrieved": "2026-11-02"
    }
  ],
  "historical_record": [
    {
      "date": "2002-06-20",
      "kind": "planning decision",
      "description": "The City Planning Commission did not take discretionary review and approved raising the roof of the existing single-family dwelling approximately seven feet, adding a small lookout, and adding one dwelling unit at the ground floor.",
      "source": "sf-planning-commission-minutes-2002-06-20"
    },
    {
      "date": "2002-06-20",
      "kind": "occupancy",
      "description": "The property held an existing single-family dwelling.",
      "source": "sf-planning-commission-minutes-2002-06-20"
    }
  ]
}