{
  "address": "3944–3948 18th Street, San Francisco, CA 94114",
  "path": "/san-francisco/castro/18th-street/3944/",
  "apn": "3581021",
  "block": "3581",
  "lot": "021",
  "eas_baseid": "360607",
  "coordinates": {
    "lat": 37.761336,
    "lng": -122.431645
  },
  "address_range": "3944–3948",
  "street_numbers_on_parcel": [
    "3944",
    "3946",
    "3948"
  ],
  "parcel": {
    "year_built": 1904,
    "units": 3,
    "stories": 3,
    "rooms": 15,
    "bathrooms": 3,
    "lot_area_sqft": 2848,
    "building_area_sqft": 3740,
    "use": "Multi-Family Residential",
    "property_class": "Flats & Duplex",
    "construction_type_code": "D",
    "zoning": "RH-3",
    "supervisor_district": 8,
    "assessor_neighborhood": "Eureka Valley/Dolores Heights",
    "analysis_neighborhood": "Castro/Upper Market",
    "property_location_raw": "3948 3944 18TH                ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 1263338,
    "assessed_improvement_value": 766076,
    "last_sale_date": "2008-08-27"
  },
  "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": "1904",
    "in_article_10_11_historic_district": false,
    "source": "sf-planning"
  },
  "permits": [
    {
      "number": "202008151922",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2020-08-15",
      "status_date": "2020-09-14",
      "estimated_cost": 22800,
      "revised_cost": 22800,
      "description": "reroofing. tearoff existing roof to wood sheathing and reroof using: modified bitumen membrane roofing system along with an approved certainteed sa base sheet. less than 2/12 pitch.",
      "source": "sf-building-permits"
    },
    {
      "number": "201008199185",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2010-08-19",
      "status_date": "2011-06-16",
      "estimated_cost": 4500,
      "revised_cost": 4500,
      "description": "revision to pa# 2010.07.16.6836. move door in bathroom. new bathroom fixtures. work on 2nd floor",
      "source": "sf-building-permits"
    },
    {
      "number": "201007166836",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2010-07-16",
      "status_date": "2011-06-22",
      "estimated_cost": 25000,
      "revised_cost": 25000,
      "description": "one unit-removal & replacement of kitchen cabinetry & bathroom fixtures. re-configuration of closet & pantry area, installing under cabinet lighting",
      "source": "sf-building-permits"
    },
    {
      "number": "201007166838",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2010-07-16",
      "status_date": "2011-06-16",
      "estimated_cost": 5000,
      "revised_cost": 13789,
      "description": "one unit-revision to pa# 2010-0507-1976-new kitchen cabinetry & appliances, new doors & new closet",
      "source": "sf-building-permits"
    },
    {
      "number": "201005071976",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2010-05-07",
      "status_date": "2011-06-22",
      "estimated_cost": 12500,
      "revised_cost": 12500,
      "description": "removal of an interior partition wall & a closet. selective leveling & replacement of flooring. replace bathroom fixtures.",
      "source": "sf-building-permits"
    },
    {
      "number": "200905158476",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2009-05-15",
      "status_date": "2011-06-16",
      "estimated_cost": 11600,
      "revised_cost": 11600,
      "description": "remodel of kitchen & baths: new finsihes, fixtures & cabientry for 1 bathroom & a kitchen, remove exisitng toilet room to expand into a full bath. partition walls & doors to be relocated & infill walls constructed. work on upper floor.",
      "source": "sf-building-permits"
    },
    {
      "number": "200901150284",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2009-01-15",
      "status_date": "2009-01-15",
      "estimated_cost": 3000,
      "revised_cost": 3000,
      "description": "replace two bay windows (6 windows total) 1 facing the street. double paned glass. appearance will not change. comply with his nov#h9500314 & #h9500427.",
      "source": "sf-building-permits"
    },
    {
      "number": "200805021193",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2008-05-02",
      "status_date": "2008-05-12",
      "estimated_cost": 2500,
      "revised_cost": 2500,
      "description": "fix rear stairs less than 50%. repair in kind. work beyond 50% will require plans.",
      "source": "sf-building-permits"
    },
    {
      "number": "200303149799",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2003-03-14",
      "status_date": "2003-04-18",
      "estimated_cost": 2500,
      "revised_cost": 2500,
      "description": "repair back stairs as needed.",
      "source": "sf-building-permits"
    },
    {
      "number": "9925011",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "1999-11-29",
      "status_date": "2000-05-29",
      "estimated_cost": 7800,
      "description": "reroofing",
      "source": "sf-building-permits"
    },
    {
      "number": "9503560",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "1995-03-14",
      "status_date": "1995-08-22",
      "estimated_cost": 2500,
      "description": "comply with notice of violation",
      "source": "sf-building-permits"
    },
    {
      "number": "8207802",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1982-09-23",
      "status_date": "1983-03-04",
      "estimated_cost": 40000,
      "description": "bldg use: apts",
      "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=3944",
      "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=3581021&$order=closed_roll_year%20DESC&$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=3581&lot=021",
      "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=3581021",
      "retrieved": "2026-07-28"
    }
  ]
}