{
  "address": "3321 21st Street, San Francisco, CA 94110",
  "path": "/san-francisco/mission/21st-street/3321/",
  "apn": "3617079",
  "block": "3617",
  "lot": "079",
  "eas_baseid": "362911",
  "coordinates": {
    "lat": 37.756626,
    "lng": -122.421629
  },
  "parcel": {
    "year_built": 1904,
    "units": 12,
    "stories": 2,
    "rooms": 27,
    "bathrooms": 12,
    "bedrooms": 12,
    "lot_area_sqft": 5358,
    "building_area_sqft": 5776,
    "lot_depth_ft": 14,
    "use": "Multi-Family Residential",
    "property_class": "Apartment 5 to 14 Units",
    "construction_type_code": "D",
    "zoning": "RH-3",
    "supervisor_district": 9,
    "assessor_neighborhood": "Eureka Valley/Dolores Heights",
    "analysis_neighborhood": "Mission",
    "property_location_raw": "0000 3321 21ST                ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 2611082,
    "assessed_improvement_value": 1966818,
    "last_sale_date": "2013-12-12"
  },
  "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": "1904",
    "in_article_10_11_historic_district": false,
    "source": "sf-planning"
  },
  "permits": [
    {
      "number": "202302141920",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2023-02-14",
      "status_date": "2023-02-14",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "revision to 201910033492 soft story retrofit. document e transverse foundation are concrete at gl 2 and 3, modify anchorage of seismic elements.",
      "source": "sf-building-permits"
    },
    {
      "number": "201910033492",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2019-10-03",
      "status_date": "2023-03-31",
      "estimated_cost": 100000,
      "revised_cost": 120000,
      "description": "mandotory soft-story retrofit per sf ordinance 66-b per sfebc chapter 4d engineering criteria: maher n/a.",
      "source": "sf-building-permits"
    },
    {
      "number": "201712217142",
      "type": "otc alterations permit",
      "status": "cancelled",
      "filed": "2017-12-21",
      "status_date": "2026-01-09",
      "estimated_cost": 100000,
      "revised_cost": 0,
      "description": "lower basement floor",
      "source": "sf-building-permits"
    },
    {
      "number": "201711284943",
      "type": "otc alterations permit",
      "status": "filed",
      "filed": "2017-11-28",
      "status_date": "2017-11-28",
      "estimated_cost": 50000,
      "revised_cost": 0,
      "description": "to comply with nov 201721018 seismic retrofit per sf ordinance sfebc 405d",
      "source": "sf-building-permits"
    },
    {
      "number": "201501226427",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2015-01-22",
      "status_date": "2016-02-26",
      "estimated_cost": 22000,
      "revised_cost": 27000,
      "description": "one unit: kitchen and bathroom remodel cabinets and countertops only",
      "source": "sf-building-permits"
    },
    {
      "number": "201501226429",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2015-01-22",
      "status_date": "2016-02-26",
      "estimated_cost": 22000,
      "revised_cost": 27000,
      "description": "one unit: kitchen and bathroom remodel cabinets and countertops only. no walls to be moved.",
      "source": "sf-building-permits"
    },
    {
      "number": "M518927",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2014-09-18",
      "status_date": "2014-09-18",
      "revised_cost": 1,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "201408295091",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2014-08-29",
      "status_date": "2015-12-17",
      "estimated_cost": 45000,
      "revised_cost": 125884,
      "description": "remodeling four units - bathroom (5x8) and kitchen (7x15). no removal or relocation of walls",
      "source": "sf-building-permits"
    },
    {
      "number": "M511208",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2014-08-15",
      "status_date": "2014-08-15",
      "revised_cost": 1,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "201212136146",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2012-12-13",
      "status_date": "2013-01-04",
      "estimated_cost": 10000,
      "revised_cost": 12000,
      "description": "one unit: replace drywall in bathrm with 5/8\" bathrm remodeling for two units, fire rated gypsum. new gfci outlet, new light, new wall and floor tile, repl toilet and wall sink in kind. floor plan unchanged (e) bath tub remains, one unit: repl bathrm ceiling drywall gypsum, repl toilet, sink &",
      "source": "sf-building-permits"
    },
    {
      "number": "M29362",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2004-09-22",
      "status_date": "2004-09-22",
      "revised_cost": 0,
      "description": "streetspace",
      "source": "sf-building-permits"
    },
    {
      "number": "9302223",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "1993-02-10",
      "status_date": "1993-12-14",
      "estimated_cost": 750,
      "description": "remove & replace kitchen sink unit -spot sheetrock",
      "source": "sf-building-permits"
    },
    {
      "number": "9213388",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1992-08-07",
      "status_date": "1992-09-08",
      "estimated_cost": 2000,
      "description": "replace kitchen cabinets & counter top",
      "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=3321",
      "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=3617079&$order=closed_roll_year%20DESC&$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=3617&lot=079",
      "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=3617079",
      "retrieved": "2026-07-31"
    }
  ]
}