{
  "address": "4014 18th Street, San Francisco, CA 94114",
  "path": "/san-francisco/castro/18th-street/4014/",
  "apn": "3582017",
  "block": "3582",
  "lot": "017",
  "eas_baseid": "360694",
  "coordinates": {
    "lat": 37.761224,
    "lng": -122.433169
  },
  "parcel": {
    "year_built": 1901,
    "units": 1,
    "stories": 3,
    "rooms": 8,
    "bathrooms": 1,
    "lot_area_sqft": 2495,
    "building_area_sqft": 2303,
    "use": "Single Family Residential",
    "property_class": "Dwelling",
    "construction_type_code": "D",
    "zoning": "RH-3",
    "supervisor_district": 8,
    "assessor_neighborhood": "Eureka Valley/Dolores Heights",
    "analysis_neighborhood": "Castro/Upper Market",
    "property_location_raw": "0000 4014 18TH                ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 853070,
    "assessed_improvement_value": 652769,
    "last_sale_date": "2003-09-26"
  },
  "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": "1901",
    "in_article_10_11_historic_district": false,
    "source": "sf-planning"
  },
  "permits": [
    {
      "number": "201801168701",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2018-01-16",
      "status_date": "2018-03-23",
      "estimated_cost": 19491,
      "revised_cost": 20000,
      "description": "reroofing",
      "source": "sf-building-permits"
    },
    {
      "number": "M109124",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2008-02-25",
      "status_date": "2008-02-25",
      "revised_cost": 1,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "M94447",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2007-11-06",
      "status_date": "2007-11-06",
      "revised_cost": 1,
      "description": "street space permit",
      "source": "sf-building-permits"
    },
    {
      "number": "200708159870",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2007-08-15",
      "status_date": "2007-08-16",
      "estimated_cost": 20000,
      "revised_cost": 20000,
      "description": "add deck @ rear yard, relocate powder room, and kitchen, foundation upgrqde @ rear wall, gd doors/window @ kitchen",
      "source": "sf-building-permits"
    },
    {
      "number": "200706295593",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2007-06-29",
      "status_date": "2008-02-29",
      "estimated_cost": 22000,
      "revised_cost": 22000,
      "description": "remodel kitchen-replace cabinets/fixtures/refinish floors. remodel bathroom-replace fixtures/furisher/refinish floors add bathroom @ (e) closet.",
      "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=4014",
      "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=3582017&$order=closed_roll_year%20DESC&$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=3582&lot=017",
      "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=3582017",
      "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"
    }
  ],
  "historic_survey": {
    "survey": "Eureka Valley Historic Context Statement (2017)",
    "source": "eureka-valley-context-statement",
    "style": "Queen Anne",
    "note": "Listed among the houses Fernando Nelson built in Eureka Valley. 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 two-storey end-gable dwelling with entry porch, bay window and tower."
  },
  "building": {
    "builder": "Fernando Nelson"
  }
}
