{
  "address": "4231–4233 18th Street, San Francisco, CA 94114",
  "path": "/san-francisco/castro/18th-street/4231/",
  "apn": "2694038",
  "block": "2694",
  "lot": "038",
  "eas_baseid": "344376",
  "coordinates": {
    "lat": 37.760592,
    "lng": -122.43676
  },
  "address_range": "4231–4233",
  "street_numbers_on_parcel": [
    "4231",
    "4233"
  ],
  "parcel": {
    "year_built": 1908,
    "units": 3,
    "stories": 3,
    "rooms": 10,
    "bathrooms": 3,
    "lot_area_sqft": 1873,
    "building_area_sqft": 2900,
    "use": "Multi-Family Residential",
    "property_class": "Flat & Store 4 units or less",
    "construction_type_code": "D",
    "zoning": "CASTRO",
    "supervisor_district": 8,
    "assessor_neighborhood": "Eureka Valley/Dolores Heights",
    "analysis_neighborhood": "Castro/Upper Market",
    "property_location_raw": "0000 4231 18TH                ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 44589,
    "assessed_improvement_value": 114836
  },
  "historic_status": {
    "ceqa_status_code": "C",
    "ceqa_status_code_article_10_11": "C",
    "ceqa_status_label": "Not a historical resource",
    "reason": "Historic Survey Result",
    "yearbuilt": "1908",
    "in_article_10_11_historic_district": false,
    "source": "sf-planning"
  },
  "permits": [
    {
      "number": "202604300423",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2026-04-30",
      "status_date": "2026-06-04",
      "estimated_cost": 16700,
      "revised_cost": 16700,
      "description": "re-roof with shingle replacement approx 997 sf, install new gutters and downspouts, new galvanized edge metals, new synthetic underlayment, new comp shingls from gaf.no hotwork.",
      "source": "sf-building-permits"
    },
    {
      "number": "202601284674",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2026-01-28",
      "status_date": "2026-04-16",
      "estimated_cost": 18000,
      "revised_cost": 18000,
      "description": "replace wood siding from the back of property, approx 1500 sq ft. new materials. install new hardie plank lap siding, replace 11 windows (uf<=0.27), new anderson single hung and 2 sliding fiberglass. replace membrande back of deck, install new 5000 elastodeck. non street visible. ref pa 202510036654",
      "source": "sf-building-permits"
    },
    {
      "number": "202510036654",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2025-10-03",
      "status_date": "2026-05-15",
      "estimated_cost": 20000,
      "revised_cost": 20000,
      "description": "in kind replacement of (e) deck stair due to dry rot. extension of 3rd level deck within setback. replace railings w/code compliant railing (n) footings for residential units.",
      "source": "sf-building-permits"
    },
    {
      "number": "M346629",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2012-09-07",
      "status_date": "2012-09-07",
      "revised_cost": 1,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "9603668",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1996-03-06",
      "status_date": "1997-04-15",
      "estimated_cost": 50000,
      "description": "vertical & horizontal addition",
      "source": "sf-building-permits"
    },
    {
      "number": "9121660",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "1991-11-13",
      "status_date": "1992-08-11",
      "estimated_cost": 2600,
      "description": "reroofing",
      "source": "sf-building-permits"
    },
    {
      "number": "8506570",
      "type": "additions alterations or repairs",
      "status": "cancelled",
      "filed": "1985-06-24",
      "status_date": "1985-12-11",
      "estimated_cost": 5000,
      "description": "proposing a new garage at existing basement",
      "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=4231",
      "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=2694038&$order=closed_roll_year%20DESC&$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=2694&lot=038",
      "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=2694038",
      "retrieved": "2026-07-28"
    }
  ]
}