{
  "address": "4526 20th Street, San Francisco, CA 94114",
  "path": "/san-francisco/castro/20th-street/4526/",
  "apn": "2699023",
  "block": "2699",
  "lot": "023",
  "eas_baseid": "344551",
  "coordinates": {
    "lat": 37.757649,
    "lng": -122.438554
  },
  "parcel": {
    "year_built": 1900,
    "units": 1,
    "stories": 2,
    "rooms": 6,
    "bathrooms": 1,
    "lot_area_sqft": 1875,
    "building_area_sqft": 1610,
    "lot_depth_ft": 75,
    "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 4526 20TH                ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 162444,
    "assessed_improvement_value": 150258
  },
  "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": "1900",
    "in_article_10_11_historic_district": false,
    "source": "sf-planning"
  },
  "permits": [
    {
      "number": "200201237487",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "2002-01-23",
      "status_date": "2002-07-23",
      "estimated_cost": 5300,
      "revised_cost": 5300,
      "description": "install 6 replacement windows-not visible from street",
      "source": "sf-building-permits"
    },
    {
      "number": "9816075",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "1998-08-15",
      "status_date": "1999-02-15",
      "estimated_cost": 7500,
      "description": "reroofing",
      "source": "sf-building-permits"
    },
    {
      "number": "8900977",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1989-01-23",
      "status_date": "1989-07-18",
      "estimated_cost": 9000,
      "description": "horizontal addition",
      "source": "sf-building-permits"
    },
    {
      "number": "8709810",
      "type": "additions alterations or repairs",
      "status": "expired",
      "filed": "1987-07-13",
      "status_date": "1988-03-17",
      "estimated_cost": 500,
      "description": "re #8611753, raise retaining wall, change garage floor",
      "source": "sf-building-permits"
    },
    {
      "number": "8611753",
      "type": "additions alterations or repairs",
      "status": "expired",
      "filed": "1986-09-23",
      "status_date": "1987-12-07",
      "estimated_cost": 18940,
      "description": "replace brick foundation w/concrete, reframe floor & slab",
      "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=4526",
      "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=2699023&$order=closed_roll_year%20DESC&$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=2699&lot=023",
      "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=2699023",
      "retrieved": "2026-07-28"
    }
  ]
}