{
  "address": "3140 21st Street, San Francisco, CA 94110",
  "path": "/san-francisco/mission/21st-street/3140/",
  "apn": "3610014",
  "block": "3610",
  "lot": "014",
  "eas_baseid": "362473",
  "coordinates": {
    "lat": 37.757332,
    "lng": -122.4176
  },
  "parcel": {
    "year_built": 1927,
    "units": 27,
    "stories": 3,
    "rooms": 63,
    "bathrooms": 27,
    "lot_area_sqft": 7108,
    "building_area_sqft": 17625,
    "use": "Multi-Family Residential",
    "property_class": "Apartment 15 Units or more",
    "construction_type_code": "D",
    "zoning": "RM-1",
    "supervisor_district": 9,
    "assessor_neighborhood": "Inner Mission",
    "analysis_neighborhood": "Mission",
    "property_location_raw": "0000 3140 21ST                ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 3974320,
    "assessed_improvement_value": 2502364,
    "last_sale_date": "2012-04-18"
  },
  "historic_status": {
    "ceqa_status_code": "C",
    "ceqa_status_code_article_10_11": "C",
    "ceqa_status_label": "Not a historical resource",
    "reason": "Historic Survey Result",
    "yearbuilt": "1927",
    "in_article_10_11_historic_district": false,
    "source": "sf-planning"
  },
  "permits": [
    {
      "number": "202212087920",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2022-12-08",
      "status_date": "2023-01-13",
      "estimated_cost": 29400,
      "revised_cost": 29571,
      "description": "upgrade existing fire alarm system to comply with sffc section 1103.7.6.1 per csfm code interpretation 12-001 and info bulletin issued 9/4/08. 1 facu, 1 wireless comm, 9 smokes, 7 pulls, 1 module, 27 lf sounders, 3 horn/strobes.",
      "source": "sf-building-permits"
    },
    {
      "number": "202209132361",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2022-09-13",
      "status_date": "2022-10-04",
      "estimated_cost": 900,
      "revised_cost": 900,
      "description": "repair three fire escape balconies. close (e) hole at wall using silicone, install washes, tighten nuts at 3 fire escape balconies only",
      "source": "sf-building-permits"
    },
    {
      "number": "201707202506",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2017-07-20",
      "status_date": "2017-08-25",
      "estimated_cost": 30000,
      "revised_cost": 30000,
      "description": "re-roofing",
      "source": "sf-building-permits"
    },
    {
      "number": "201705247590",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2017-05-24",
      "status_date": "2017-08-24",
      "estimated_cost": 35000,
      "revised_cost": 35000,
      "description": "#201 - to comply with nov #201766882 - complete full renovation - windows replaced not visible from street, electrical upgrade, plumbing upgrade @ kitchen, bedroom & bathroom. no change on walls.",
      "source": "sf-building-permits"
    },
    {
      "number": "201505136234",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2015-05-13",
      "status_date": "2015-08-31",
      "estimated_cost": 60000,
      "revised_cost": 160000,
      "description": "mandatory soft story retrofit per sfbc chapter 34b, 2012 iebc appendix a-4",
      "source": "sf-building-permits"
    },
    {
      "number": "201505045244",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2015-05-04",
      "status_date": "2015-07-07",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "revision to building permit 2014.06.09.7826 replace all street-visible windows (on 21st, capp, and northern alley from capp) with double-hung wood aluminum clad windows (& casement for fire egress). replace windows in east lightwell, not street visible, with fiberglass. 221 total windows.",
      "source": "sf-building-permits"
    },
    {
      "number": "201406097826",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2014-06-09",
      "status_date": "2015-07-07",
      "estimated_cost": 417000,
      "revised_cost": 417500,
      "description": "replace aluminum windows with wood windows. all windows in original openings. new electric heaters at all units.remove plaster soffit at garage ceiling and add bldg insulations, provide 5/8 gyp board.",
      "source": "sf-building-permits"
    },
    {
      "number": "201207104527",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2012-07-10",
      "status_date": "2012-07-20",
      "estimated_cost": 6000,
      "revised_cost": 36000,
      "description": "to comply with nov # 201243621. replace new kitchen cabinets and counter top for 4 units in four units. (no change to exhaust system and lighting)",
      "source": "sf-building-permits"
    },
    {
      "number": "M116804",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2008-04-22",
      "status_date": "2008-04-22",
      "revised_cost": 1,
      "description": "street space permit",
      "source": "sf-building-permits"
    },
    {
      "number": "M31050",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2005-02-01",
      "status_date": "2005-02-01",
      "revised_cost": 0,
      "description": "sidewalk repair",
      "source": "sf-building-permits"
    },
    {
      "number": "9701748",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1997-01-30",
      "status_date": "1997-06-11",
      "estimated_cost": 6000,
      "description": "seismic upgrade-garage floor per plans",
      "source": "sf-building-permits"
    },
    {
      "number": "9701436",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1997-01-27",
      "status_date": "1997-02-13",
      "estimated_cost": 2000,
      "description": "remove plaster,excavate at end walls & prep site w/shoring",
      "source": "sf-building-permits"
    },
    {
      "number": "9020504",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1990-10-05",
      "status_date": "1991-03-21",
      "estimated_cost": 3050,
      "description": "install shear walls for basement,plywood on exist stud walls",
      "source": "sf-building-permits"
    },
    {
      "number": "9016966",
      "type": "additions alterations or repairs",
      "status": "expired",
      "filed": "1990-08-24",
      "status_date": "1991-01-13",
      "estimated_cost": 2000,
      "description": "install anchor bolts",
      "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=3140",
      "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=3610014&$order=closed_roll_year%20DESC&$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=3610&lot=014",
      "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=3610014",
      "retrieved": "2026-07-31"
    }
  ]
}