{
  "address": "3867 20th Street, San Francisco, CA 94114",
  "path": "/san-francisco/castro/20th-street/3867/",
  "apn": "3606070",
  "block": "3606",
  "lot": "070",
  "eas_baseid": "362202",
  "coordinates": {
    "lat": 37.757895,
    "lng": -122.427218
  },
  "parcel": {
    "year_built": 1924,
    "units": 2,
    "stories": 2,
    "rooms": 8,
    "bathrooms": 2,
    "lot_area_sqft": 2848,
    "building_area_sqft": 2320,
    "use": "Multi-Family Residential",
    "property_class": "Flats & Duplex",
    "construction_type_code": "D",
    "zoning": "RH-3",
    "supervisor_district": 8,
    "assessor_neighborhood": "Eureka Valley/Dolores Heights",
    "analysis_neighborhood": "Castro/Upper Market",
    "property_location_raw": "3869 3867 20TH                ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 1515402,
    "assessed_improvement_value": 1117638,
    "last_sale_date": "2020-08-11"
  },
  "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": "1924",
    "in_article_10_11_historic_district": false,
    "source": "sf-planning"
  },
  "permits": [
    {
      "number": "202302011190",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2023-02-01",
      "status_date": "2023-03-07",
      "estimated_cost": 9500,
      "revised_cost": 9500,
      "description": "install new fire alarm to mointor fire sprinler system. ref f/s 202201196260 & legalization 202101212982.",
      "source": "sf-building-permits"
    },
    {
      "number": "202201196260",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2022-01-19",
      "status_date": "2023-03-01",
      "estimated_cost": 18800,
      "revised_cost": 25128,
      "description": "a new nfpa 13 sprinkler system on garage level only of a 2 story bldg over garage + 30 feet of 4\" dedicated underground. 17 total heads. exterior bell and sprinkler monitoring under separate permit.",
      "source": "sf-building-permits"
    },
    {
      "number": "202101212982",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2021-01-21",
      "status_date": "2023-12-27",
      "estimated_cost": 200000,
      "revised_cost": 200000,
      "description": "legalize 3rd unit at garden, change bedroom windows to egress. remodel upper floor, upgrade all windows on 2/f unit. add stair lights. remove chimney and remodel kitchen.",
      "source": "sf-building-permits"
    },
    {
      "number": "9122154",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "1991-11-20",
      "status_date": "1992-07-14",
      "estimated_cost": 6975,
      "description": "reroof",
      "source": "sf-building-permits"
    },
    {
      "number": "8511469",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1985-10-09",
      "status_date": "1985-11-29",
      "estimated_cost": 1500,
      "description": "step boars to be replaced",
      "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=3867",
      "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=3606070&$order=closed_roll_year%20DESC&$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=3606&lot=070",
      "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=3606070",
      "retrieved": "2026-07-28"
    }
  ]
}