{
  "address": "3965 20th Street, San Francisco, CA 94114",
  "path": "/san-francisco/castro/20th-street/3965/",
  "apn": "3605059",
  "block": "3605",
  "lot": "059",
  "eas_baseid": "362133",
  "coordinates": {
    "lat": 37.757762,
    "lng": -122.429405
  },
  "parcel": {
    "year_built": 1915,
    "units": 1,
    "stories": 3,
    "rooms": 9,
    "bathrooms": 3,
    "bedrooms": 4,
    "lot_area_sqft": 2848,
    "building_area_sqft": 2526,
    "basement_area_sqft": 632,
    "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 3965 20TH                ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 2386762,
    "assessed_improvement_value": 1022897,
    "last_sale_date": "2020-09-18"
  },
  "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": "1915",
    "in_article_10_11_historic_district": false,
    "source": "sf-planning"
  },
  "permits": [
    {
      "number": "202509084833",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2025-09-08",
      "status_date": "2025-09-23",
      "estimated_cost": 19554,
      "revised_cost": 19554,
      "description": "re-roofing: remove and replace roofing material / existing roofing material (in-kind)",
      "source": "sf-building-permits"
    },
    {
      "number": "202101082318",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2021-01-08",
      "status_date": "2021-09-16",
      "estimated_cost": 175000,
      "revised_cost": 175000,
      "description": "remove & replace hardwood flooring. remove & replace kitchen cabinets and finishes in kind. repalce bathroom cabinets & finishes in kind. fixture to remain in locations. remove and replace rear sliding door in kind. no chane to opening. not visible from st",
      "source": "sf-building-permits"
    },
    {
      "number": "201807235193",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2018-07-23",
      "status_date": "2018-10-19",
      "estimated_cost": 12500,
      "revised_cost": 12500,
      "description": "repair (e) deck, repair dry rott less than 50% in the rear. replace in-kind.",
      "source": "sf-building-permits"
    },
    {
      "number": "200106282546",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2001-06-28",
      "status_date": "2001-07-06",
      "estimated_cost": 100,
      "revised_cost": 100,
      "description": "revision to app #200003083801 to delete a stair",
      "source": "sf-building-permits"
    },
    {
      "number": "M16040",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "2001-04-25",
      "status_date": "2001-08-25",
      "revised_cost": 0,
      "description": "sidewalk repair",
      "source": "sf-building-permits"
    },
    {
      "number": "200012288809",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2000-12-28",
      "status_date": "2001-07-09",
      "estimated_cost": 1500,
      "revised_cost": 1500,
      "description": "minor modifictions to permit #200003083801 inc reviised master bath, bath 2, kitchen, bedrm/study@ 1",
      "source": "sf-building-permits"
    },
    {
      "number": "200006283935",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2000-06-28",
      "status_date": "2001-07-09",
      "estimated_cost": 9500,
      "revised_cost": 9500,
      "description": "dry rot repair at ground floor",
      "source": "sf-building-permits"
    },
    {
      "number": "200003083801",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "2000-03-08",
      "status_date": "2001-07-09",
      "estimated_cost": 100000,
      "revised_cost": 100000,
      "description": "horizontal addition",
      "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=3965",
      "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=3605059&$order=closed_roll_year%20DESC&$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=059",
      "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=3605059",
      "retrieved": "2026-07-28"
    }
  ]
}