{
  "address": "3983 20th Street, San Francisco, CA 94114",
  "path": "/san-francisco/castro/20th-street/3983/",
  "apn": "3605055B",
  "block": "3605",
  "lot": "055B",
  "eas_baseid": "362128",
  "coordinates": {
    "lat": 37.75778,
    "lng": -122.429754
  },
  "parcel": {
    "year_built": 1925,
    "units": 1,
    "stories": 1,
    "rooms": 5,
    "bathrooms": 2,
    "bedrooms": 2,
    "lot_area_sqft": 2137.5,
    "building_area_sqft": 1525,
    "lot_depth_ft": 85.5,
    "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": "Castro/Upper Market",
    "property_location_raw": "0000 3983 20TH                ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 339924,
    "assessed_improvement_value": 409873,
    "last_sale_date": "1993-07-02"
  },
  "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": "1925",
    "in_article_10_11_historic_district": false,
    "source": "sf-planning"
  },
  "permits": [
    {
      "number": "S20251030281",
      "status": "complete",
      "filed": "2025-12-08",
      "status_date": "2026-01-08",
      "revised_cost": 49949,
      "description": "solar permit: installing 15 solar pv modules, 410 watts per module, total no. of rating 6.15 kw. mounted: roof, ballasted: n, including 1 energy storage unit, of 240 vac, with 15 kwh each in capacity, ess units will not be closer than 3 feet |",
      "source": "sf-building-permits"
    },
    {
      "number": "201112281414",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2011-12-28",
      "status_date": "2011-12-28",
      "estimated_cost": 17000,
      "revised_cost": 17000,
      "description": "remodel of existing bathroom, new fixtures, tile flooring, shower/tub enclosure, new lighting fixtures & cabinets. all (n) lighting must comply w/cec 150(k). 8.",
      "source": "sf-building-permits"
    },
    {
      "number": "200906089989",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2009-06-08",
      "status_date": "2009-07-10",
      "estimated_cost": 4000,
      "revised_cost": 4000,
      "description": "repair beam @ rear sunroom; new lateral braces for lateral upgrade @ rear with post footing replacement.",
      "source": "sf-building-permits"
    },
    {
      "number": "200711057318",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "2007-11-05",
      "status_date": "2009-06-16",
      "estimated_cost": 2500,
      "revised_cost": 2500,
      "description": "replace garage slab in kind. no increase in height. minumum 3 /12\" thick.",
      "source": "sf-building-permits"
    },
    {
      "number": "200009251507",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "2000-09-25",
      "status_date": "2001-01-25",
      "estimated_cost": 3000,
      "revised_cost": 3000,
      "description": "renewal of application 9925944 until work is done",
      "source": "sf-building-permits"
    },
    {
      "number": "9925940",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "1999-12-09",
      "status_date": "2000-04-09",
      "estimated_cost": 500,
      "description": "revision to app #9805541",
      "source": "sf-building-permits"
    },
    {
      "number": "9925944",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "1999-12-09",
      "status_date": "2000-06-09",
      "estimated_cost": 10000,
      "description": "renewal per app #9809541",
      "source": "sf-building-permits"
    },
    {
      "number": "9809541",
      "type": "additions alterations or repairs",
      "status": "expired",
      "filed": "1998-05-27",
      "status_date": "1999-08-11",
      "estimated_cost": 35000,
      "description": "finish 1st flr to create living space",
      "source": "sf-building-permits"
    },
    {
      "number": "9514997",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1995-09-13",
      "status_date": "1996-05-02",
      "estimated_cost": 7000,
      "description": "install kitch cabs, sink, light fixtures, range, hood,washer",
      "source": "sf-building-permits"
    },
    {
      "number": "9321709",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1993-12-10",
      "status_date": "1994-04-14",
      "estimated_cost": 2600,
      "description": "repl plaster w/sheetrk-insulation. skylite. lite fixtures.",
      "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=3983",
      "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=3605055B&$order=closed_roll_year%20DESC&$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=3605&lot=055B",
      "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=3605055B",
      "retrieved": "2026-07-28"
    }
  ]
}