{
  "address": "3935 18th Street, San Francisco, CA 94114",
  "path": "/san-francisco/castro/18th-street/3935/",
  "apn": "3584088",
  "block": "3584",
  "lot": "088",
  "eas_baseid": "360908",
  "coordinates": {
    "lat": 37.760859,
    "lng": -122.431443
  },
  "parcel": {
    "year_built": 1906,
    "units": 1,
    "stories": 2,
    "rooms": 9,
    "bathrooms": 3,
    "bedrooms": 4,
    "lot_area_sqft": 2848,
    "building_area_sqft": 1775,
    "basement_area_sqft": 442,
    "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": "3935A3935 18TH                ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 1346488,
    "assessed_improvement_value": 739916,
    "last_sale_date": "2015-01-20"
  },
  "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": "1906",
    "in_article_10_11_historic_district": false,
    "source": "sf-planning"
  },
  "permits": [
    {
      "number": "202606042511",
      "type": "otc alterations permit",
      "status": "filed",
      "filed": "2026-06-04",
      "status_date": "2026-06-04",
      "estimated_cost": 32000,
      "revised_cost": 60000,
      "description": "minor struct. remodel of a sfr including int'r stair removal, 30 sq. ft. infill at the 2nd fl., relocate 2nd flr bathroom, inst. 3 new windows & 1 new exterior door, const. new exterior wood deck and stairs at rear with 1-hour fire resistance rated, pl wall, r/r portion of flat, comp. shingle roof.",
      "source": "sf-building-permits"
    },
    {
      "number": "202310188925",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2023-10-18",
      "status_date": "2024-08-26",
      "estimated_cost": 8000,
      "revised_cost": 20000,
      "description": "front facade improvement project to replace all windows, & exterior finishes. no structural. no m.e.p. or interior scope. exterior facade only. u=.30max",
      "source": "sf-building-permits"
    },
    {
      "number": "201903195643",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "2019-03-19",
      "status_date": "2021-04-14",
      "estimated_cost": 64880,
      "revised_cost": 80000,
      "description": "construct(adu) w/ 1 bedroom and 1 bath at the ground floor of the owner's home at 3935 18th st per ord# 162-16.",
      "source": "sf-building-permits"
    },
    {
      "number": "201505186619",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2015-05-18",
      "status_date": "2016-03-30",
      "estimated_cost": 30000,
      "revised_cost": 35000,
      "description": "new steel beam at garage. relocate kitchen, open wall between living room and hallway",
      "source": "sf-building-permits"
    },
    {
      "number": "201110317907",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2011-10-31",
      "status_date": "2011-10-31",
      "estimated_cost": 540,
      "revised_cost": 540,
      "description": "install 1 vinyl window in kind into existing frames. no change in size or location. window does not face the street. if applicable, bedroom window will comply with section cbc1026 for rescue. all windows will be double pane and have a u-factor of .30.",
      "source": "sf-building-permits"
    },
    {
      "number": "200310238405",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "2003-10-23",
      "status_date": "2004-12-28",
      "estimated_cost": 790,
      "revised_cost": 790,
      "description": "lower curb for driveway",
      "source": "sf-building-permits"
    },
    {
      "number": "M24803",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2003-09-05",
      "status_date": "2003-09-05",
      "revised_cost": 0,
      "description": "side walk repair",
      "source": "sf-building-permits"
    },
    {
      "number": "M24249",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2003-07-09",
      "status_date": "2003-07-09",
      "revised_cost": 0,
      "description": "sidewalk",
      "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=3935",
      "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=3584088&$order=closed_roll_year%20DESC&$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=088",
      "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=3584088",
      "retrieved": "2026-07-28"
    }
  ]
}