{
  "address": "3931 18th Street, San Francisco, CA 94114",
  "path": "/san-francisco/castro/18th-street/3931/",
  "apn": "3584089",
  "block": "3584",
  "lot": "089",
  "eas_baseid": "360909",
  "coordinates": {
    "lat": 37.760864,
    "lng": -122.431357
  },
  "parcel": {
    "year_built": 1900,
    "units": 3,
    "stories": 2,
    "rooms": 11,
    "bathrooms": 3,
    "bedrooms": 3,
    "lot_area_sqft": 2848,
    "building_area_sqft": 2908,
    "use": "Multi-Family Residential",
    "property_class": "Flat & Store 4 units or less",
    "construction_type_code": "D",
    "zoning": "RH-3",
    "supervisor_district": 8,
    "assessor_neighborhood": "Eureka Valley/Dolores Heights",
    "analysis_neighborhood": "Castro/Upper Market",
    "property_location_raw": "3933 3931 18TH                ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 1337122,
    "assessed_improvement_value": 573052
  },
  "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": "1900",
    "in_article_10_11_historic_district": false,
    "source": "sf-planning"
  },
  "permits": [
    {
      "number": "202511250371",
      "type": "otc alterations permit",
      "status": "filed",
      "filed": "2025-11-25",
      "status_date": "2025-11-25",
      "estimated_cost": 305000,
      "revised_cost": 0,
      "description": "interior remodel of 2nd fl, reconfigure partitions, add full bath, remodel (e) kitchen & bath. add (n) tankless water heater, add (n) elec heat pump heating/cooling. replace (e) windows, add (n) skylights and front door. replace knob & tube w/ new electrical, (n) lighting.",
      "source": "sf-building-permits"
    },
    {
      "number": "M201826",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2010-05-12",
      "status_date": "2010-05-12",
      "revised_cost": 1,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "9808684",
      "type": "additions alterations or repairs",
      "status": "cancelled",
      "filed": "2002-10-09",
      "status_date": "2002-10-09",
      "estimated_cost": 5000,
      "description": "add storage at rear of bldng on ground lvel/add porch roof",
      "source": "sf-building-permits"
    },
    {
      "number": "9923698",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1999-11-08",
      "status_date": "2000-03-08",
      "estimated_cost": 4825,
      "description": "reroofing",
      "source": "sf-building-permits"
    },
    {
      "number": "9904213",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1999-03-04",
      "status_date": "1999-06-07",
      "estimated_cost": 1000,
      "description": "cap foundation & dry rot work",
      "source": "sf-building-permits"
    },
    {
      "number": "9823003",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1998-11-09",
      "status_date": "1999-03-12",
      "estimated_cost": 5000,
      "description": "correct work completed without a building permit",
      "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=3931",
      "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=3584089&$order=closed_roll_year%20DESC&$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=3584&lot=089",
      "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=3584089",
      "retrieved": "2026-07-28"
    },
    {
      "id": "eureka-valley-context-statement",
      "name": "Elaine B. Stiles, Eureka Valley Historic Context Statement, prepared for the Eureka Valley Neighborhood Association, adopted by the Historic Preservation Commission December 20, 2017",
      "query": "http://default.sfplanning.org/Preservation/EurekaValleyHCS/hp_eureka_valley_hcs_HCS_FINAL-122017.pdf",
      "listing": "https://sfplanning.org/project/sf-histories-historic-context-statements#completed",
      "label": "Eureka Valley Historic Context Statement, adopted 2017",
      "retrieved": "2026-08-14"
    },
    {
      "id": "digitalsf-114511",
      "name": "3933 18th Street, 1961. San Francisco Office of Assessor-Recorder Photographs (SFP 23), San Francisco History Center, San Francisco Public Library.",
      "query": "https://digitalsf.org/record/114511",
      "label": "Assessor-Recorder Photographs (SFP 23), San Francisco Public Library",
      "retrieved": "2026-08-15"
    }
  ],
  "historic_survey": {
    "survey": "Eureka Valley Historic Context Statement (2017)",
    "source": "eureka-valley-context-statement",
    "address_as_surveyed": "3931-3933 18th Street",
    "note": "Illustrated in the statement's survey of Eureka Valley property types and architectural styles. The statement is reconnaissance-level and says inclusion in it is not a judgement on a building's worthiness for preservation. It records it as a single-family dwelling with a commercial addition."
  },
  "historical_record": [
    {
      "date": "1961-02-23",
      "kind": "photograph",
      "description": "The Office of the Assessor-Recorder photographed the property for tax assessment.",
      "source": "digitalsf-114511"
    }
  ]
}