{
  "address": "4745 18th Street, San Francisco, CA 94114",
  "path": "/san-francisco/castro/18th-street/4745/",
  "apn": "2689020",
  "block": "2689",
  "lot": "020",
  "eas_baseid": "344195",
  "coordinates": {
    "lat": 37.759753,
    "lng": -122.443892
  },
  "parcel": {
    "year_built": 1887,
    "units": 1,
    "stories": 1,
    "rooms": 4,
    "bathrooms": 2,
    "bedrooms": 2,
    "lot_area_sqft": 2822,
    "building_area_sqft": 1500,
    "use": "Single Family Residential",
    "property_class": "Dwelling",
    "construction_type_code": "D",
    "zoning": "RH-2",
    "supervisor_district": 8,
    "assessor_neighborhood": "Eureka Valley/Dolores Heights",
    "analysis_neighborhood": "Castro/Upper Market",
    "property_location_raw": "0000 4745 18TH                ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 1785057,
    "assessed_improvement_value": 765024,
    "last_sale_date": "2021-09-27"
  },
  "historic_status": {
    "ceqa_status_code": "A",
    "ceqa_status_code_article_10_11": "A",
    "ceqa_status_label": "Historic resource",
    "reason": "Historic Survey Result",
    "yearbuilt": "1887",
    "in_article_10_11_historic_district": false,
    "source": "sf-planning"
  },
  "permits": [
    {
      "number": "201507090992",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2015-07-09",
      "status_date": "2015-09-28",
      "estimated_cost": 45000,
      "revised_cost": 45000,
      "description": "repairs to siding at back of house. replacing window and door trim to match existing. trim only.",
      "source": "sf-building-permits"
    },
    {
      "number": "201409025148",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2014-09-02",
      "status_date": "2014-09-22",
      "estimated_cost": 8400,
      "revised_cost": 8400,
      "description": "reroofing",
      "source": "sf-building-permits"
    },
    {
      "number": "201408153922",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2014-08-15",
      "status_date": "2015-02-06",
      "estimated_cost": 40000,
      "revised_cost": 40000,
      "description": "redoing tile in 2 bathrooms, changing shower tile, countertop, sink hardware, changing window trim internally (no external changes), changing back splash in kitchen.",
      "source": "sf-building-permits"
    },
    {
      "number": "200303190083",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2003-03-19",
      "status_date": "2003-04-15",
      "estimated_cost": 3600,
      "revised_cost": 3600,
      "description": "replace 1 patio door in kind. alum to vinyl,not visible from street.",
      "source": "sf-building-permits"
    },
    {
      "number": "200006233505",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2000-06-23",
      "status_date": "2000-08-15",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "renewal of application 9926447",
      "source": "sf-building-permits"
    },
    {
      "number": "200002081380",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "2000-02-08",
      "status_date": "2000-06-23",
      "estimated_cost": 30000,
      "revised_cost": 30000,
      "description": "revise scope of work pa# 9413288",
      "source": "sf-building-permits"
    },
    {
      "number": "9926447",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "1999-12-16",
      "status_date": "2000-04-16",
      "estimated_cost": 5000,
      "description": "remove & replace extg rear deck per plan",
      "source": "sf-building-permits"
    },
    {
      "number": "9919251",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "1999-09-14",
      "status_date": "2000-01-14",
      "estimated_cost": 1,
      "description": "renewal of permit inspection pa 9413288",
      "source": "sf-building-permits"
    },
    {
      "number": "9720688",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "1997-10-16",
      "status_date": "1998-09-04",
      "estimated_cost": 7000,
      "description": "reroofing",
      "source": "sf-building-permits"
    },
    {
      "number": "9413288",
      "type": "additions alterations or repairs",
      "status": "expired",
      "filed": "1994-08-24",
      "status_date": "1995-04-17",
      "estimated_cost": 20000,
      "description": "structural work at house lwr lv. frame-in for spiral stair.",
      "source": "sf-building-permits"
    },
    {
      "number": "8601324",
      "type": "additions alterations or repairs",
      "status": "expired",
      "filed": "1986-02-04",
      "status_date": "1986-06-13",
      "estimated_cost": 2000,
      "description": "build continous reinforced concrete footing and solid wall",
      "source": "sf-building-permits"
    },
    {
      "number": "8408804",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1984-08-13",
      "status_date": "1985-08-06",
      "estimated_cost": 10000,
      "description": "remove plaster , replace with sheetrock and add trim",
      "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=4745",
      "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=2689020&$order=closed_roll_year%20DESC&$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=2689&lot=020",
      "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=2689020",
      "retrieved": "2026-07-28"
    },
    {
      "id": "corbett-heights-context-statement",
      "name": "Michael R. Corbett, Corbett Heights, San Francisco (Western Part of Eureka Valley) Historic Context Statement, prepared for Corbett Heights Neighbors and funded by the Historic Preservation Fund Committee, adopted by the San Francisco Historic Preservation Commission 16 August 2017 (Motion No. 0314, Case No. 2015-006003SRV)",
      "query": "http://default.sfplanning.org/Preservation/CorbettHeightsHCS/hp_corbett_hcs_HCS_FINAL-081617.pdf",
      "listing": "https://sfplanning.org/project/sf-histories-historic-context-statements#completed",
      "label": "Corbett Heights Historic Context Statement, adopted 2017",
      "retrieved": "2026-08-13"
    }
  ],
  "historic_survey": {
    "style": "flat-front cottage",
    "here_today_page": "Victorian cottage",
    "survey": "Corbett Heights Historic Context Statement (2017)",
    "source": "corbett-heights-context-statement",
    "note": "Listed among the properties the statement puts forward as meriting further study; it is a context statement rather than a survey, and says the list is conservative rather than exhaustive. The 1968 Here Today survey was adopted by the Board of Supervisors under Resolution No. 268-70, so Planning counts the buildings it lists as individual historic resources."
  }
}