{
  "address": "4220 21st Street, San Francisco, CA 94114",
  "path": "/san-francisco/castro/21st-street/4220/",
  "apn": "2749060",
  "block": "2749",
  "lot": "060",
  "eas_baseid": "462745",
  "coordinates": {
    "lat": 37.755624,
    "lng": -122.438176
  },
  "parcel": {
    "year_built": 1922,
    "stories": 1,
    "rooms": 4,
    "bathrooms": 1,
    "bedrooms": 1,
    "lot_area_sqft": 1321,
    "building_area_sqft": 741,
    "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 4220 21ST                ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 1060782,
    "assessed_improvement_value": 454621,
    "last_sale_date": "2021-03-05"
  },
  "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": "1922",
    "in_article_10_11_historic_district": false,
    "source": "sf-planning"
  },
  "permits": [
    {
      "number": "202307202620",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2023-07-20",
      "status_date": "2023-12-06",
      "estimated_cost": 23458,
      "revised_cost": 23458,
      "description": "replace (6) street facing windows. (e) wood, new alum wood clad. no size change, same location, same window type. u factor 0.30 max. no structural work.",
      "source": "sf-building-permits"
    },
    {
      "number": "200507016637",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2005-07-01",
      "status_date": "2005-07-01",
      "estimated_cost": 6000,
      "revised_cost": 6000,
      "description": "remove (e) bath, re plumb fixtures, install new tile floor",
      "source": "sf-building-permits"
    },
    {
      "number": "200003235197",
      "type": "demolitions",
      "status": "complete",
      "filed": "2000-03-23",
      "status_date": "2000-07-31",
      "description": "one-stop demolish a one story storage shed",
      "source": "sf-building-permits"
    },
    {
      "number": "9212425",
      "type": "demolitions",
      "status": "withdrawn",
      "filed": "1992-07-27",
      "status_date": "1994-02-01",
      "description": "demolish storage shed",
      "source": "sf-building-permits"
    },
    {
      "number": "9118335",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "1991-09-30",
      "status_date": "1992-01-31",
      "estimated_cost": 3000,
      "description": "rebuild front stair,step lights,install trim of facade",
      "source": "sf-building-permits"
    },
    {
      "number": "9110310",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "1991-06-12",
      "status_date": "1991-12-12",
      "estimated_cost": 16000,
      "description": "remove plaster walls, ceiling in bath, & kitchen.",
      "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=4220",
      "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=2749060&$order=closed_roll_year%20DESC&$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=2749&lot=060",
      "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=2749060",
      "retrieved": "2026-07-28"
    },
    {
      "id": "sf-planning-commission-minutes-1999-06-24",
      "name": "San Francisco City Planning Commission, minutes of the meeting of 24 June 1999",
      "label": "San Francisco City Planning Commission minutes, San Francisco Public Library (Internet Archive)",
      "query": "https://archive.org/details/46minutesofsanfran1999san/page/n223/mode/1up",
      "retrieved": "2026-11-02"
    }
  ],
  "historical_record": [
    {
      "date": "1999-06-24",
      "kind": "planning decision",
      "description": "The City Planning Commission took no discretionary review of the proposal to construct a new two-story-over-garage single-family dwelling on the vacant northerly portion of the lot, 6-0.",
      "source": "sf-planning-commission-minutes-1999-06-24"
    },
    {
      "date": "1999-06-24",
      "kind": "occupancy",
      "description": "The northerly portion of the lot was vacant.",
      "source": "sf-planning-commission-minutes-1999-06-24"
    }
  ]
}