{
  "address": "3681–3683 18th Street, San Francisco, CA 94110",
  "path": "/san-francisco/mission/18th-street/3681/",
  "apn": "3587047",
  "block": "3587",
  "lot": "047",
  "eas_baseid": "361040",
  "coordinates": {
    "lat": 37.76129,
    "lng": -122.425517
  },
  "address_range": "3681–3683",
  "street_numbers_on_parcel": [
    "3681",
    "3683"
  ],
  "parcel": {
    "year_built": 1907,
    "stories": 2,
    "rooms": 9,
    "bathrooms": 3,
    "bedrooms": 3,
    "lot_area_sqft": 1500,
    "building_area_sqft": 1785,
    "lot_depth_ft": 60,
    "use": "Single Family Residential",
    "property_class": "Dwelling",
    "construction_type_code": "NA",
    "zoning": "RM-2",
    "supervisor_district": 8,
    "assessor_neighborhood": "Mission Dolores",
    "analysis_neighborhood": "Mission",
    "property_location_raw": "0000 3683 18TH                ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 479006,
    "assessed_improvement_value": 355714,
    "last_sale_date": "1998-06-23"
  },
  "historic_status": {
    "ceqa_status_code": "A",
    "ceqa_status_code_article_10_11": "A",
    "ceqa_status_label": "Historic resource",
    "reason": "California Register Historic District, Historic Survey Result",
    "yearbuilt": "1907",
    "in_article_10_11_historic_district": false,
    "source": "sf-planning"
  },
  "historic_district": {
    "name": "Inner Mission Boulevards and Alleys Reconstruction Historic District",
    "california_register_status": "Eligible (not listed)",
    "national_register_status": "Not listed",
    "article_10_11_status": "No local landmark protection",
    "local_landmark_protection": false,
    "period_of_significance": "1906–1917",
    "source": "sf-historic-districts"
  },
  "permits": [
    {
      "number": "M125128",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2008-07-07",
      "status_date": "2008-07-07",
      "revised_cost": 1,
      "description": "street space permit only.",
      "source": "sf-building-permits"
    },
    {
      "number": "200109218989",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "2001-09-21",
      "status_date": "2004-02-04",
      "estimated_cost": 50000,
      "revised_cost": 65000,
      "description": "site plan application to convert 2 fam to single fam residence",
      "source": "sf-building-permits"
    },
    {
      "number": "200109067715",
      "type": "additions alterations or repairs",
      "status": "expired",
      "filed": "2001-09-06",
      "status_date": "2004-12-28",
      "estimated_cost": 50000,
      "revised_cost": 50000,
      "description": "new bathroom, kticken, stairwa, lighting and voluntary seismic upgrade",
      "source": "sf-building-permits"
    },
    {
      "number": "8401442",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1984-02-08",
      "status_date": "1984-05-23",
      "estimated_cost": 1420,
      "description": "install 09 aluminum windows",
      "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=3681",
      "retrieved": "2026-07-31"
    },
    {
      "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=3587047&$order=closed_roll_year%20DESC&$limit=1",
      "retrieved": "2026-07-31"
    },
    {
      "id": "sf-building-permits",
      "name": "SF Dept. of Building Inspection via DataSF",
      "query": "https://data.sfgov.org/resource/i98e-djp9.json?block=3587&lot=047",
      "retrieved": "2026-07-31"
    },
    {
      "id": "sf-planning",
      "name": "SF Planning Department — Historic Resource Status by Parcel via DataSF",
      "query": "https://data.sfgov.org/resource/3tsw-4idn.json?apn=3587047",
      "retrieved": "2026-07-31"
    },
    {
      "id": "sf-historic-districts",
      "name": "SF Planning Department — Historic Districts via DataSF",
      "query": "https://data.sfgov.org/resource/63x5-g3m4.json?$where=intersects(the_geom,%20%27POINT(-122.42551690174842%2037.76129040817016)%27)",
      "retrieved": "2026-07-31"
    },
    {
      "id": "loc-sf-call-1908-10-24",
      "name": "The San Francisco Call, 24 October 1908, p. 9",
      "query": "https://chroniclingamerica.loc.gov/lccn/sn85066387/1908-10-24/ed-1/seq-9/",
      "retrieved": "2026-10-04"
    },
    {
      "id": "sf-planning-commission-minutes-2002-05-16",
      "name": "San Francisco City Planning Commission, minutes of the meeting of 16 May 2002",
      "label": "San Francisco City Planning Commission minutes, San Francisco Public Library (Internet Archive)",
      "query": "https://archive.org/details/52minutesofsanfran2002san/page/n228/mode/1up",
      "retrieved": "2026-11-02"
    }
  ],
  "historical_record": [
    {
      "date": "1908-10-24",
      "kind": "building contract",
      "description": "Armstrong construction company contracted to put up a two-storey frame building, at $2,500.",
      "source": "loc-sf-call-1908-10-24"
    },
    {
      "date": "2002-05-16",
      "kind": "planning decision",
      "description": "The City Planning Commission did not take discretionary review and approved the merger of two existing units into one single-family dwelling.",
      "source": "sf-planning-commission-minutes-2002-05-16"
    },
    {
      "date": "2002-05-16",
      "kind": "occupancy",
      "description": "The property held two existing dwelling units.",
      "source": "sf-planning-commission-minutes-2002-05-16"
    }
  ]
}