{
  "address": "4417 20th Street, San Francisco, CA 94114",
  "path": "/san-francisco/castro/20th-street/4417/",
  "apn": "2750042",
  "block": "2750",
  "lot": "042",
  "eas_baseid": "345482",
  "coordinates": {
    "lat": 37.757312,
    "lng": -122.437273
  },
  "parcel": {
    "year_built": 1900,
    "units": 1,
    "stories": 3,
    "rooms": 8,
    "bathrooms": 3,
    "bedrooms": 3,
    "lot_area_sqft": 2437.5,
    "building_area_sqft": 2658,
    "basement_area_sqft": 480,
    "lot_depth_ft": 97.5,
    "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 4417 20TH                ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 1838225,
    "assessed_improvement_value": 854737,
    "last_sale_date": "2014-08-01"
  },
  "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": "201808096865",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2018-08-09",
      "status_date": "2018-11-28",
      "estimated_cost": 40000,
      "revised_cost": 40000,
      "description": "add a new bathroom & gym/storage room in (e) garage.",
      "source": "sf-building-permits"
    },
    {
      "number": "201603162247",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2016-03-16",
      "status_date": "2016-04-06",
      "estimated_cost": 3500,
      "revised_cost": 3500,
      "description": "lower garage by sistering on the (e) joist box round (e) steel beam. 5/8in rock type-x.",
      "source": "sf-building-permits"
    },
    {
      "number": "201410038070",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2014-10-03",
      "status_date": "2015-02-23",
      "estimated_cost": 12000,
      "revised_cost": 12000,
      "description": "widen existing driveway to 9' and garage door to 8'. install steel moment frame at garage front",
      "source": "sf-building-permits"
    },
    {
      "number": "201408073336",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2014-08-07",
      "status_date": "2014-08-07",
      "estimated_cost": 8500,
      "revised_cost": 8500,
      "description": "reroofing",
      "source": "sf-building-permits"
    },
    {
      "number": "9810157",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1998-06-03",
      "status_date": "2000-06-30",
      "estimated_cost": 75000,
      "description": "horizontal addition",
      "source": "sf-building-permits"
    },
    {
      "number": "9802796",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "1998-02-19",
      "status_date": "1998-06-19",
      "estimated_cost": 1500,
      "description": "replace old fixtures w/new & install shower on 2nd floor",
      "source": "sf-building-permits"
    },
    {
      "number": "9301335",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1993-01-28",
      "status_date": "1993-05-28",
      "estimated_cost": 1,
      "description": "re-issue of expired #9107824",
      "source": "sf-building-permits"
    },
    {
      "number": "9301336",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1993-01-28",
      "status_date": "1993-06-04",
      "estimated_cost": 1,
      "description": "re-issue of permit #9107825",
      "source": "sf-building-permits"
    },
    {
      "number": "9107824",
      "type": "additions alterations or repairs",
      "status": "expired",
      "filed": "1991-05-08",
      "status_date": "1993-09-20",
      "estimated_cost": 3500,
      "revised_cost": 7000,
      "description": "replace existing front stairs",
      "source": "sf-building-permits"
    },
    {
      "number": "9107825",
      "type": "additions alterations or repairs",
      "status": "expired",
      "filed": "1991-05-08",
      "status_date": "1993-02-18",
      "estimated_cost": 30000,
      "description": "foundation repair and seismic foundtion",
      "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=4417",
      "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=2750042&$order=closed_roll_year%20DESC&$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=2750&lot=042",
      "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=2750042",
      "retrieved": "2026-07-28"
    }
  ]
}