{
  "address": "3701 21st Street, San Francisco, CA 94114",
  "path": "/san-francisco/castro/21st-street/3701/",
  "apn": "3621098",
  "block": "3621",
  "lot": "098",
  "eas_baseid": "464453",
  "coordinates": {
    "lat": 37.756086,
    "lng": -122.430291
  },
  "parcel": {
    "year_built": 1997,
    "units": 1,
    "stories": 2,
    "rooms": 10,
    "bathrooms": 5,
    "bedrooms": 5,
    "lot_area_sqft": 4410,
    "building_area_sqft": 4294,
    "lot_depth_ft": 26,
    "use": "Single Family Residential",
    "property_class": "Dwelling",
    "construction_type_code": "D",
    "zoning": "RH-1",
    "supervisor_district": 8,
    "assessor_neighborhood": "Eureka Valley/Dolores Heights",
    "analysis_neighborhood": "Noe Valley",
    "property_location_raw": "0000 3701 21ST                ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 2907501,
    "assessed_improvement_value": 1675778,
    "last_sale_date": "2002-05-17"
  },
  "historic_status": {
    "ceqa_status_code": "C",
    "ceqa_status_code_article_10_11": "C",
    "ceqa_status_label": "Not a historical resource",
    "reason": "Manual change by Planning staff",
    "yearbuilt": "1997",
    "survey_name": "MINERAL SPRINGS HILL",
    "in_article_10_11_historic_district": false,
    "source": "sf-planning"
  },
  "permits": [
    {
      "number": "9612283",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1996-07-09",
      "status_date": "1997-02-06",
      "estimated_cost": 1,
      "description": "revision to 9504443",
      "source": "sf-building-permits"
    },
    {
      "number": "9504441",
      "type": "demolitions",
      "status": "complete",
      "filed": "1995-03-29",
      "status_date": "1996-07-12",
      "description": "demolish garage",
      "source": "sf-building-permits"
    },
    {
      "number": "9504442",
      "type": "demolitions",
      "status": "complete",
      "filed": "1995-03-29",
      "status_date": "1996-06-28",
      "description": "demolish a two story single family dwelling",
      "source": "sf-building-permits"
    },
    {
      "number": "9504443S",
      "type": "new construction wood frame",
      "status": "expired",
      "filed": "1995-03-29",
      "status_date": "1997-01-03",
      "estimated_cost": 300000,
      "description": "erect a three story single family dwelling",
      "source": "sf-building-permits"
    }
  ],
  "permit_summary": {
    "count_on_file": 5,
    "range": "1995–2002",
    "shown_on_page": 4,
    "note": "1 nominal $1 street-space or sidewalk permit is omitted from the timeline."
  },
  "sources": [
    {
      "id": "sf-eas-addresses",
      "name": "SF Enterprise Addressing System via DataSF",
      "query": "https://data.sfgov.org/resource/3mea-di5p.json?street_name=21ST&street_type=ST&address_number=3701",
      "retrieved": "2026-10-24"
    },
    {
      "id": "sf-assessor-roll",
      "name": "SF Office of the Assessor-Recorder via DataSF (2025 secured roll)",
      "query": "https://data.sfgov.org/resource/wv5m-vpq2.json?parcel_number=3621098&$order=closed_roll_year%20DESC&$limit=1",
      "retrieved": "2026-10-24"
    },
    {
      "id": "sf-building-permits",
      "name": "SF Dept. of Building Inspection via DataSF",
      "query": "https://data.sfgov.org/resource/i98e-djp9.json?block=3621&lot=098",
      "retrieved": "2026-10-24"
    },
    {
      "id": "sf-planning",
      "name": "SF Planning Department — Historic Resource Status by Parcel via DataSF",
      "query": "https://data.sfgov.org/resource/3tsw-4idn.json?apn=3621098",
      "retrieved": "2026-10-24"
    },
    {
      "id": "sf-planning-commission-minutes-1995-07-13",
      "name": "San Francisco City Planning Commission, minutes of the meeting of 13 July 1995",
      "label": "San Francisco City Planning Commission minutes, San Francisco Public Library (Internet Archive)",
      "query": "https://archive.org/details/41minutesofsanfran1995san/page/n169/mode/1up",
      "retrieved": "2026-10-24"
    },
    {
      "id": "sf-planning-commission-minutes-1995-10-19",
      "name": "San Francisco City Planning Commission, minutes of the meeting of 19 October 1995",
      "label": "San Francisco City Planning Commission minutes, San Francisco Public Library (Internet Archive)",
      "query": "https://archive.org/details/41minutesofsanfran1995san/page/n291/mode/1up",
      "retrieved": "2026-10-24"
    }
  ],
  "historical_record": [
    {
      "date": "1995-07-13",
      "kind": "occupancy",
      "description": "A single-family house stood on the corner, which a project under environmental review proposed to demolish for four three-storey-over-garage houses.",
      "source": "sf-planning-commission-minutes-1995-07-13"
    },
    {
      "date": "1995-10-19",
      "kind": "planning decision",
      "description": "Under its discretionary review powers, the City Planning Commission approved, 4-2, demolishing the single-family house on the corner of Sanchez Street for four three-storey single-family houses on the four lots.",
      "source": "sf-planning-commission-minutes-1995-10-19"
    }
  ]
}