{
  "address": "3476 21st Street, San Francisco, CA 94110",
  "path": "/san-francisco/mission/21st-street/3476/",
  "apn": "3607022",
  "block": "3607",
  "lot": "022",
  "eas_baseid": "362243",
  "coordinates": {
    "lat": 37.75691,
    "lng": -122.425059
  },
  "parcel": {
    "year_built": 1909,
    "units": 1,
    "stories": 2,
    "rooms": 13,
    "bathrooms": 2,
    "lot_area_sqft": 3419,
    "building_area_sqft": 4071,
    "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": "Mission",
    "property_location_raw": "0000 3476 21ST                ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 705465,
    "assessed_improvement_value": 1589665,
    "last_sale_date": "1999-03-10"
  },
  "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": "1909",
    "in_article_10_11_historic_district": false,
    "source": "sf-planning"
  },
  "permits": [
    {
      "number": "201402037640",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2014-02-03",
      "status_date": "2014-06-27",
      "estimated_cost": 5000,
      "revised_cost": 5000,
      "description": "remove (e) wood floor in laundry rm on grnd flr (in rear of bldg) approx 12'x16' which is resting on sleepers on grade, install 3\" thick concrete slab with 6x6 mesh to repl wood floor, install floor drain under separate plumbing permit",
      "source": "sf-building-permits"
    },
    {
      "number": "M461089",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2014-02-03",
      "status_date": "2014-02-03",
      "revised_cost": 1,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "M426987",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2013-09-17",
      "status_date": "2013-09-17",
      "revised_cost": 1,
      "description": "street space permit",
      "source": "sf-building-permits"
    },
    {
      "number": "200005159995",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "2000-05-15",
      "status_date": "2000-11-15",
      "estimated_cost": 12000,
      "revised_cost": 12000,
      "description": "remove existing stucco & batten boards on facade and side return, repair dry rot",
      "source": "sf-building-permits"
    },
    {
      "number": "9718523",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1997-09-22",
      "status_date": "1997-10-22",
      "estimated_cost": 17500,
      "description": "reroofing",
      "source": "sf-building-permits"
    },
    {
      "number": "8601689",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1986-02-14",
      "status_date": "1986-08-25",
      "estimated_cost": 1500,
      "description": "new 4' x 13' redwood deck,repair fence & window",
      "source": "sf-building-permits"
    },
    {
      "number": "8202640",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1982-04-06",
      "status_date": "1983-03-04",
      "estimated_cost": 2200,
      "source": "sf-building-permits"
    },
    {
      "number": "8109828",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1981-11-17",
      "status_date": "1983-03-04",
      "estimated_cost": 30000,
      "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=3476",
      "retrieved": "2026-07-31"
    },
    {
      "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=3607022&$order=closed_roll_year%20DESC&$limit=1",
      "retrieved": "2026-07-31"
    },
    {
      "id": "sf-building-permits",
      "name": "SF Dept. of Building Inspection via DataSF",
      "query": "https://data.sfgov.org/resource/i98e-djp9.json?block=3607&lot=022",
      "retrieved": "2026-07-31"
    },
    {
      "id": "sf-planning",
      "name": "SF Planning Department — Historic Resource Status by Parcel via DataSF",
      "query": "https://data.sfgov.org/resource/3tsw-4idn.json?apn=3607022",
      "retrieved": "2026-07-31"
    }
  ]
}