{
  "address": "4437–4439 18th Street, San Francisco, CA 94114",
  "path": "/san-francisco/castro/18th-street/4437/",
  "apn": "2692037B",
  "block": "2692",
  "lot": "037B",
  "eas_baseid": "344322",
  "coordinates": {
    "lat": 37.760462,
    "lng": -122.438907
  },
  "address_range": "4437–4439",
  "street_numbers_on_parcel": [
    "4437",
    "4439"
  ],
  "parcel": {
    "year_built": 1904,
    "units": 2,
    "stories": 2,
    "rooms": 9,
    "bathrooms": 2,
    "lot_area_sqft": 1873,
    "building_area_sqft": 2350,
    "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": "4439 4437 18TH                ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 86022,
    "assessed_improvement_value": 299452
  },
  "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": "1904",
    "in_article_10_11_historic_district": false,
    "source": "sf-planning"
  },
  "permits": [
    {
      "number": "201810233888",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2018-10-23",
      "status_date": "2018-11-13",
      "estimated_cost": 16380,
      "revised_cost": 16380,
      "description": "reroofing",
      "source": "sf-building-permits"
    },
    {
      "number": "200611087167",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2006-11-08",
      "status_date": "2007-01-11",
      "estimated_cost": 9500,
      "revised_cost": 9500,
      "description": "lattice work below (e) deck about a few feet above grade. landscaping (new stone & concrete pad). yard drainage system incl. catch basin & sump pump. all work in back yard.",
      "source": "sf-building-permits"
    },
    {
      "number": "200603277531",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2006-03-27",
      "status_date": "2006-03-27",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "deck modification",
      "source": "sf-building-permits"
    },
    {
      "number": "200508170490",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2005-08-17",
      "status_date": "2006-06-05",
      "estimated_cost": 150000,
      "revised_cost": 150000,
      "description": "alterations for new kitchen & bathrooms. deck replacement of (e) windows with double glazed.",
      "source": "sf-building-permits"
    },
    {
      "number": "9619018",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "1996-10-04",
      "status_date": "1997-08-21",
      "estimated_cost": 8780,
      "description": "reroofing",
      "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=4437",
      "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=2692037B&$order=closed_roll_year%20DESC&$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=2692&lot=037B",
      "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=2692037B",
      "retrieved": "2026-07-28"
    }
  ]
}