{
  "address": "4418–4420 20th Street, San Francisco, CA 94114",
  "path": "/san-francisco/castro/20th-street/4418/",
  "apn": "2698015",
  "block": "2698",
  "lot": "015",
  "eas_baseid": "344502",
  "coordinates": {
    "lat": 37.757771,
    "lng": -122.437321
  },
  "address_range": "4418–4420",
  "street_numbers_on_parcel": [
    "4418",
    "4420"
  ],
  "parcel": {
    "year_built": 1908,
    "units": 3,
    "stories": 2,
    "rooms": 13,
    "bathrooms": 3,
    "lot_area_sqft": 2748,
    "building_area_sqft": 3650,
    "use": "Multi-Family Residential",
    "property_class": "Flats & Duplex",
    "construction_type_code": "D",
    "zoning": "RH-2",
    "supervisor_district": 8,
    "assessor_neighborhood": "Eureka Valley/Dolores Heights",
    "analysis_neighborhood": "Castro/Upper Market",
    "property_location_raw": "4420 4418 20TH                ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 1008921,
    "assessed_improvement_value": 432394,
    "last_sale_date": "2010-11-09"
  },
  "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": "1908",
    "in_article_10_11_historic_district": false,
    "source": "sf-planning"
  },
  "permits": [
    {
      "number": "202104098223",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2021-04-09",
      "status_date": "2021-04-09",
      "estimated_cost": 30000,
      "revised_cost": 30000,
      "description": "kitchen remodel - no wall removal. no plumbing reconfig. in-kind. all new light to be high efficacy.",
      "source": "sf-building-permits"
    },
    {
      "number": "201704033012",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2017-04-03",
      "status_date": "2017-04-14",
      "estimated_cost": 13500,
      "revised_cost": 13500,
      "description": "re-roofing",
      "source": "sf-building-permits"
    },
    {
      "number": "201203055388",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2012-03-05",
      "status_date": "2012-03-06",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "to obtain final inpsection for work approved under pa #200711017012. all work has been completed.",
      "source": "sf-building-permits"
    },
    {
      "number": "201202063616",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2012-02-06",
      "status_date": "2012-03-06",
      "estimated_cost": 2500,
      "revised_cost": 2500,
      "description": "repair deck, less than 50%, rotted joists, deck boards, stairs, support posts & add bracing",
      "source": "sf-building-permits"
    },
    {
      "number": "M238826",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2011-02-01",
      "status_date": "2011-02-01",
      "revised_cost": 1,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "201012066161",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2010-12-06",
      "status_date": "2012-03-06",
      "estimated_cost": 50385,
      "revised_cost": 50385,
      "description": "replace plumbing fixtures in kitchen and bathroom, replace (e) electrical fixtures throughout dwelling, add electrical outlets to bring to code, trim, paint, install wall board, retile bathroom, replace interior doors",
      "source": "sf-building-permits"
    },
    {
      "number": "200711017012",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "2007-11-01",
      "status_date": "2012-03-06",
      "estimated_cost": 58000,
      "revised_cost": 58000,
      "description": "replace 40 windows & 1 patio door, size for size, wood to wood composite, visible from street. u-value 0.39.",
      "source": "sf-building-permits"
    },
    {
      "number": "200507147580",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2005-07-14",
      "status_date": "2005-12-21",
      "estimated_cost": 6500,
      "revised_cost": 6500,
      "description": "new kitchen cabinets,new bathtun & sink.no structural",
      "source": "sf-building-permits"
    },
    {
      "number": "9515886",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1995-09-27",
      "status_date": "1996-04-04",
      "estimated_cost": 1,
      "description": "renewal permit applications #s 8801011 & 8814296",
      "source": "sf-building-permits"
    },
    {
      "number": "8814296",
      "type": "additions alterations or repairs",
      "status": "expired",
      "filed": "1988-09-26",
      "status_date": "1989-09-02",
      "estimated_cost": 800,
      "description": "to complete work started under 8801011",
      "source": "sf-building-permits"
    },
    {
      "number": "8801011",
      "type": "additions alterations or repairs",
      "status": "expired",
      "filed": "1988-01-27",
      "status_date": "1988-09-28",
      "estimated_cost": 1800,
      "description": "bur bldg. insp./ security/energy/electrical/plumbing",
      "source": "sf-building-permits"
    },
    {
      "number": "8713043",
      "type": "additions alterations or repairs",
      "status": "expired",
      "filed": "1987-09-10",
      "status_date": "1988-04-11",
      "estimated_cost": 2500,
      "description": "replace lath & plaster walls w/sheetrock",
      "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=4418",
      "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=2698015&$order=closed_roll_year%20DESC&$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=2698&lot=015",
      "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=2698015",
      "retrieved": "2026-07-28"
    }
  ]
}