{
  "address": "4406–4408 18th Street, San Francisco, CA 94114",
  "path": "/san-francisco/castro/18th-street/4406/",
  "apn": "2650016",
  "block": "2650",
  "lot": "016",
  "eas_baseid": "343306",
  "coordinates": {
    "lat": 37.760863,
    "lng": -122.43861
  },
  "address_range": "4406–4408",
  "street_numbers_on_parcel": [
    "4406",
    "4408"
  ],
  "parcel": {
    "year_built": 1907,
    "units": 2,
    "stories": 1,
    "rooms": 7,
    "bathrooms": 2,
    "lot_area_sqft": 1937.25,
    "building_area_sqft": 2300,
    "lot_depth_ft": 75,
    "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": "4408 4406 18TH                ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 923565,
    "assessed_improvement_value": 330802,
    "last_sale_date": "2012-11-13"
  },
  "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": "1907",
    "in_article_10_11_historic_district": false,
    "source": "sf-planning"
  },
  "permits": [
    {
      "number": "202511119323",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2025-11-11",
      "status_date": "2025-12-12",
      "estimated_cost": 22000,
      "revised_cost": 22000,
      "description": "re-roofing: remove and replace roofing material / existing roofing material (in-kind)",
      "source": "sf-building-permits"
    },
    {
      "number": "M1120267",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2019-08-05",
      "status_date": "2019-08-05",
      "revised_cost": 1,
      "description": "street space only",
      "source": "sf-building-permits"
    },
    {
      "number": "201907176188",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2019-07-17",
      "status_date": "2019-08-28",
      "estimated_cost": 9500,
      "revised_cost": 9500,
      "description": "replace existing street-facing windows, (6) wood double hung windows with ogee lugs.",
      "source": "sf-building-permits"
    },
    {
      "number": "201601066473",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2016-01-06",
      "status_date": "2016-01-12",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "revision to 201406118166 to add drawings per inspector's requires for removal of dryrot and installation of linoleum. no wall changes. clarification/revision to pa#201406279797 & 201506128888.",
      "source": "sf-building-permits"
    },
    {
      "number": "201510230638",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2015-10-23",
      "status_date": "2016-02-03",
      "estimated_cost": 4500,
      "revised_cost": 4500,
      "description": "revision to 201506128888 and app#201406279797. change per sfdph mandated exhaust fan. remove extg sink and install new sink using extg plumbing.",
      "source": "sf-building-permits"
    },
    {
      "number": "201506128888",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "2015-06-12",
      "status_date": "2016-01-12",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "rev. to floor layout -for health department review only. ref 201406279797",
      "source": "sf-building-permits"
    },
    {
      "number": "M529907",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2014-10-22",
      "status_date": "2014-10-22",
      "revised_cost": 1,
      "description": "street space permit",
      "source": "sf-building-permits"
    },
    {
      "number": "201409116095",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2014-09-11",
      "status_date": "2014-09-12",
      "estimated_cost": 6900,
      "revised_cost": 7500,
      "description": "remove 10 windows & 2 exterior doors. install 10 new with (max u-factor 0.32) & 2 new doors, same size, same locations; not visible from street.",
      "source": "sf-building-permits"
    },
    {
      "number": "201409105996",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2014-09-10",
      "status_date": "2014-09-12",
      "estimated_cost": 5890,
      "revised_cost": 5890,
      "description": "reroofing",
      "source": "sf-building-permits"
    },
    {
      "number": "M514047",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2014-08-28",
      "status_date": "2014-08-28",
      "revised_cost": 1,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "201406279797",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2014-06-27",
      "status_date": "2016-02-03",
      "estimated_cost": 4500,
      "revised_cost": 5500,
      "description": "g/f - build below grid walls for cat rooms. for planning purposes only - change of use from professional servuce to rental sales & services (cat boarding). no expansion to existing sq. ft.",
      "source": "sf-building-permits"
    },
    {
      "number": "201406118166",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2014-06-11",
      "status_date": "2016-01-12",
      "estimated_cost": 1100,
      "revised_cost": 1500,
      "description": "remove all carpetting, repair dry rotted floorboards & install linoneum sheets/flooring.",
      "source": "sf-building-permits"
    },
    {
      "number": "201306250494",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2013-06-25",
      "status_date": "2015-07-15",
      "estimated_cost": 10000,
      "revised_cost": 15000,
      "description": "bathroom addition on the 2nd fl. remove plaster & lath at existing wall in living room, install sheetrock, all work on the 2nd fl. no work on the ground fl or exterior. revise to pa #201305096584 for wall relocation at existing bathroom.",
      "source": "sf-building-permits"
    },
    {
      "number": "M401827",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2013-06-14",
      "status_date": "2013-06-14",
      "revised_cost": 1,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "M394207",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2013-05-14",
      "status_date": "2013-05-14",
      "revised_cost": 1,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "201305096584",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2013-05-09",
      "status_date": "2015-07-15",
      "estimated_cost": 23000,
      "revised_cost": 23000,
      "description": "one unit only:remove and replace extg furnace ductwork. repair extg deck for removal/replacement less than 50% in kind repair and termite damaged areas. remodel extg bthrm. remodel extg kitchen.(nw cabinets and appliances.",
      "source": "sf-building-permits"
    },
    {
      "number": "200406216964",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2004-06-21",
      "status_date": "2004-06-21",
      "estimated_cost": 5000,
      "revised_cost": 5000,
      "description": "reroofing",
      "source": "sf-building-permits"
    },
    {
      "number": "9116654",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "1991-09-09",
      "status_date": "1992-02-19",
      "estimated_cost": 3100,
      "description": "reroofing",
      "source": "sf-building-permits"
    },
    {
      "number": "8901441",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1989-01-27",
      "status_date": "1989-03-22",
      "estimated_cost": 4000,
      "description": "remodel exist bathroom--tile in shower,floor,wall,new vanity",
      "source": "sf-building-permits"
    },
    {
      "number": "8400088",
      "type": "additions alterations or repairs",
      "status": "cancelled",
      "filed": "1984-01-04",
      "status_date": "1984-05-31",
      "estimated_cost": 2000,
      "description": "new 5/8 sheetrock on walls of existing entryway",
      "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=4406",
      "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=2650016&$order=closed_roll_year%20DESC&$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=2650&lot=016",
      "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=2650016",
      "retrieved": "2026-07-28"
    }
  ]
}