{
  "address": "4111 20th Street, San Francisco, CA 94114",
  "path": "/san-francisco/castro/20th-street/4111/",
  "apn": "3603091",
  "block": "3603",
  "lot": "091",
  "eas_baseid": "361998",
  "coordinates": {
    "lat": 37.757574,
    "lng": -122.432819
  },
  "parcel": {
    "year_built": 1900,
    "units": 2,
    "stories": 3,
    "rooms": 9,
    "bathrooms": 4,
    "lot_area_sqft": 2408,
    "building_area_sqft": 3094,
    "use": "Multi-Family Residential",
    "property_class": "Flats & Duplex",
    "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 4111 20TH                ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 1053279,
    "assessed_improvement_value": 779439,
    "last_sale_date": "2000-08-31"
  },
  "historic_status": {
    "ceqa_status_code": "B",
    "ceqa_status_code_article_10_11": "B",
    "ceqa_status_label": "Unevaluated",
    "reason": "Historic Survey Result and 45 years or older",
    "yearbuilt": "1900",
    "in_article_10_11_historic_district": false,
    "source": "sf-planning"
  },
  "permits": [
    {
      "number": "201507292850",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2015-07-29",
      "status_date": "2015-07-29",
      "estimated_cost": 50000,
      "revised_cost": 50000,
      "description": "repair of dry rotted shingles, sills, and siding only. for repainting purposes.",
      "source": "sf-building-permits"
    },
    {
      "number": "200812047825",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2008-12-04",
      "status_date": "2008-12-15",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "renew pa# 2006/05/17/1800 to obtain final inspection.",
      "source": "sf-building-permits"
    },
    {
      "number": "M68446",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2007-05-14",
      "status_date": "2007-05-14",
      "revised_cost": 0,
      "description": "street space permit",
      "source": "sf-building-permits"
    },
    {
      "number": "M41822",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2006-09-13",
      "status_date": "2006-09-13",
      "revised_cost": 0,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "200605171800",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2006-05-17",
      "status_date": "2006-05-17",
      "estimated_cost": 15000,
      "revised_cost": 15000,
      "description": "convert the storage area to garage. provide a new wood header at the front of the building and also provide a new concrete ramp at the garage entrance",
      "source": "sf-building-permits"
    },
    {
      "number": "M12503",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "2000-05-03",
      "status_date": "2000-09-03",
      "revised_cost": 0,
      "description": "sidewalk repair",
      "source": "sf-building-permits"
    },
    {
      "number": "200003154473",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "2000-03-15",
      "status_date": "2000-09-15",
      "revised_cost": 6700,
      "description": "reroofing",
      "source": "sf-building-permits"
    },
    {
      "number": "9319673",
      "type": "additions alterations or repairs",
      "status": "expired",
      "filed": "1993-11-15",
      "status_date": "1994-12-25",
      "estimated_cost": 1000,
      "revised_cost": 3500,
      "description": "comply with n.o.v. 7-12-93",
      "source": "sf-building-permits"
    },
    {
      "number": "9117645",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "1991-09-23",
      "status_date": "1992-01-23",
      "estimated_cost": 3500,
      "description": "repair front entry stairs install entry door",
      "source": "sf-building-permits"
    },
    {
      "number": "9104181",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1991-03-14",
      "status_date": "1991-04-02",
      "estimated_cost": 9000,
      "description": "termite repair work",
      "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=20TH&street_type=ST&address_number=4111",
      "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=3603091&$order=closed_roll_year%20DESC&$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=091",
      "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=3603091",
      "retrieved": "2026-07-28"
    },
    {
      "id": "digitalsf-54860",
      "name": "4111 20th Street, between 1946 and 1951. San Francisco Office of Assessor-Recorder Photographs (SFP 23), San Francisco History Center, San Francisco Public Library.",
      "query": "https://digitalsf.org/record/54860",
      "label": "Assessor-Recorder Photographs (SFP 23), San Francisco Public Library",
      "retrieved": "2026-08-15"
    }
  ],
  "historical_record": [
    {
      "date": "between 1946 and 1951",
      "kind": "photograph",
      "description": "The Office of the Assessor-Recorder photographed the property for tax assessment.",
      "source": "digitalsf-54860"
    }
  ]
}