{
  "address": "3870 18th Street, San Francisco, CA 94114",
  "path": "/san-francisco/castro/18th-street/3870/",
  "apn": "3580023",
  "block": "3580",
  "lot": "023",
  "eas_baseid": "360542",
  "coordinates": {
    "lat": 37.761383,
    "lng": -122.429915
  },
  "parcel": {
    "year_built": 1924,
    "units": 1,
    "stories": 1,
    "rooms": 8,
    "bathrooms": 2,
    "lot_area_sqft": 1746,
    "building_area_sqft": 1920,
    "use": "Single Family Residential",
    "property_class": "Dwelling",
    "construction_type_code": "D",
    "zoning": "RM-1",
    "supervisor_district": 8,
    "assessor_neighborhood": "Eureka Valley/Dolores Heights",
    "analysis_neighborhood": "Castro/Upper Market",
    "property_location_raw": "0000 3870 18TH                ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 836341,
    "assessed_improvement_value": 418166,
    "last_sale_date": "2005-04-26"
  },
  "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": "202607094802",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2026-07-09",
      "status_date": "2026-07-15",
      "estimated_cost": 12000,
      "revised_cost": 12000,
      "description": "front building: to comply with nov# 202658496: replace front sliding door at 2/f, replace dry rotted deck boards and guard rails on roof deck with trex material, replace kitchen cabinets in kind, install new tiles in shower wall, install (1) vinyl window in front 1/f, new flooring and paint.",
      "source": "sf-building-permits"
    },
    {
      "number": "201702239974",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2017-02-23",
      "status_date": "2017-02-23",
      "estimated_cost": 7000,
      "revised_cost": 7000,
      "description": "one unit - kitchen remodel like for like.",
      "source": "sf-building-permits"
    },
    {
      "number": "201604215419",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2016-04-21",
      "status_date": "2016-05-27",
      "estimated_cost": 2000,
      "revised_cost": 2000,
      "description": "comply with nov 201606491. remove lattice at front roof. repair roof.",
      "source": "sf-building-permits"
    },
    {
      "number": "9514446",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "1995-09-06",
      "status_date": "1996-03-12",
      "estimated_cost": 1500,
      "description": "reroofing",
      "source": "sf-building-permits"
    },
    {
      "number": "9315504",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "1993-09-09",
      "status_date": "1994-02-23",
      "estimated_cost": 4000,
      "description": "reroofing",
      "source": "sf-building-permits"
    },
    {
      "number": "8202061",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1982-03-18",
      "status_date": "1983-03-04",
      "estimated_cost": 1000,
      "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=18TH&street_type=ST&address_number=3870",
      "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=3580023&$order=closed_roll_year%20DESC&$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=3580&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=3580023",
      "retrieved": "2026-07-28"
    }
  ]
}