{
  "address": "3808 21st Street, San Francisco, CA 94114",
  "path": "/san-francisco/castro/21st-street/3808/",
  "apn": "3603007",
  "block": "3603",
  "lot": "007",
  "eas_baseid": "361918",
  "coordinates": {
    "lat": 37.756318,
    "lng": -122.43264
  },
  "parcel": {
    "year_built": 1907,
    "units": 1,
    "stories": 2,
    "rooms": 6,
    "bathrooms": 1,
    "lot_area_sqft": 1912,
    "building_area_sqft": 1784,
    "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 3808 21ST                ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 1900446,
    "assessed_improvement_value": 335372,
    "last_sale_date": "2022-10-03"
  },
  "historic_status": {
    "ceqa_status_code": "B",
    "ceqa_status_code_article_10_11": "B",
    "ceqa_status_label": "Unevaluated",
    "reason": "Historic Survey Result and 45 years or older",
    "yearbuilt": "1907",
    "in_article_10_11_historic_district": false,
    "source": "sf-planning"
  },
  "permits": [
    {
      "number": "202508153198",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2025-08-15",
      "status_date": "2026-06-17",
      "estimated_cost": 14000,
      "revised_cost": 14000,
      "description": "re-roofing: remove and replace roofing material / existing roofing material (in-kind)",
      "source": "sf-building-permits"
    },
    {
      "number": "202402166101",
      "type": "otc alterations permit",
      "status": "cancelled",
      "filed": "2024-02-16",
      "status_date": "2026-02-19",
      "estimated_cost": 3500,
      "revised_cost": 3500,
      "description": "change in material. tile to be placed over existing front concrete entry staircase inkind replacement",
      "source": "sf-building-permits"
    },
    {
      "number": "201701207524",
      "type": "otc alterations permit",
      "status": "cancelled",
      "filed": "2017-01-20",
      "status_date": "2026-02-19",
      "estimated_cost": 12000,
      "revised_cost": 12000,
      "description": "revision to bldg app#2016-06-13-9729. basement: relocate bath, mech room and wine room. 1st floor: reconfigure bedroom suite. 2nd floor: relocate kitchen, remove window @ entry. rear elevation: reconfigure windows at 1st floor. struct-replace moment frames w/ shear walls.",
      "source": "sf-building-permits"
    },
    {
      "number": "201609238638",
      "type": "otc alterations permit",
      "status": "cancelled",
      "filed": "2016-09-23",
      "status_date": "2026-02-19",
      "estimated_cost": 10000,
      "revised_cost": 10000,
      "description": "shoring & excavation for remodel ref pa 2015-1116-2744",
      "source": "sf-building-permits"
    },
    {
      "number": "201606139729",
      "type": "otc alterations permit",
      "status": "cancelled",
      "filed": "2016-06-13",
      "status_date": "2026-02-19",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "changes per boa decision. relocate dormer, reconfigure windows @ rear elevation. ref bpa201511162744",
      "source": "sf-building-permits"
    },
    {
      "number": "201511162744",
      "type": "otc alterations permit",
      "status": "cancelled",
      "filed": "2015-11-16",
      "status_date": "2026-02-19",
      "estimated_cost": 650000,
      "revised_cost": 1000000,
      "description": "add basement, garage @ 1st floor & room @ attic. basement to have family room & bath; 2nd floor - living, dining, kitchen. 3rd floor-3 bedrooms, 2 baths, (n) 4th floor - family room, 1/2 bath roof deck replace entry stairs. install sprinkler system. 2 new dormers",
      "source": "sf-building-permits"
    },
    {
      "number": "9806415",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "1998-04-14",
      "status_date": "1999-03-03",
      "estimated_cost": 11423,
      "description": "reroofing",
      "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=21ST&street_type=ST&address_number=3808",
      "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=3603007&$order=closed_roll_year%20DESC&$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=3603&lot=007",
      "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=3603007",
      "retrieved": "2026-07-28"
    }
  ]
}