{
  "address": "3124–3132 21st Street, San Francisco, CA 94110",
  "path": "/san-francisco/mission/21st-street/3124/",
  "apn": "3610013",
  "block": "3610",
  "lot": "013",
  "eas_baseid": "362472",
  "coordinates": {
    "lat": 37.757346,
    "lng": -122.417384
  },
  "address_range": "3124–3132",
  "street_numbers_on_parcel": [
    "3124",
    "3126",
    "3128",
    "3130",
    "3132"
  ],
  "parcel": {
    "year_built": 1900,
    "units": 7,
    "stories": 2,
    "rooms": 23,
    "bathrooms": 7,
    "lot_area_sqft": 4750,
    "building_area_sqft": 8787,
    "lot_depth_ft": 95,
    "use": "Multi-Family Residential",
    "property_class": "Apartment 5 to 14 Units",
    "construction_type_code": "D",
    "zoning": "RM-1",
    "supervisor_district": 9,
    "assessor_neighborhood": "Inner Mission",
    "analysis_neighborhood": "Mission",
    "property_location_raw": "3132C3124 21ST                ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 1393912,
    "assessed_improvement_value": 1057858,
    "last_sale_date": "2004-12-10"
  },
  "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": "1900",
    "in_article_10_11_historic_district": false,
    "source": "sf-planning"
  },
  "permits": [
    {
      "number": "202501279120",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2025-01-27",
      "status_date": "2025-03-03",
      "estimated_cost": 15000,
      "revised_cost": 15000,
      "description": "reroofing no hot torch",
      "source": "sf-building-permits"
    },
    {
      "number": "202408098360",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2024-08-09",
      "status_date": "2025-04-23",
      "estimated_cost": 30000,
      "revised_cost": 45000,
      "description": "replace roof and rafters and roofing.",
      "source": "sf-building-permits"
    },
    {
      "number": "202302172186",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2023-02-17",
      "status_date": "2023-03-29",
      "estimated_cost": 22800,
      "revised_cost": 28604,
      "description": "install of new automatic alarm system",
      "source": "sf-building-permits"
    },
    {
      "number": "M1229668",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2022-12-12",
      "status_date": "2022-12-12",
      "revised_cost": 0,
      "description": "per pa #201801229195 and 201809119733, add addresses to two adu at apn 3610/013 as; 3132b, 3132c 21st street.",
      "source": "sf-building-permits"
    },
    {
      "number": "202206236964",
      "type": "otc alterations permit",
      "status": "cancelled",
      "filed": "2022-06-23",
      "status_date": "2026-01-23",
      "estimated_cost": 8000,
      "revised_cost": 0,
      "description": "replace entrance stairs",
      "source": "sf-building-permits"
    },
    {
      "number": "202206015350",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2022-06-01",
      "status_date": "2023-03-31",
      "estimated_cost": 1,
      "revised_cost": 10000,
      "description": "recommencement and completion of work approved under pa# 2017-0719-2332",
      "source": "sf-building-permits"
    },
    {
      "number": "202205315266",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2022-05-31",
      "status_date": "2023-04-07",
      "estimated_cost": 10000,
      "revised_cost": 25100,
      "description": "install 25 new sprinklers throughout new adu & egress path per nfpa #13 underground per nfpa #24. ref pa 2018-0122-9195 ( 7 to 9 units) and 2021-0818-6625 (7 to 8 units)",
      "source": "sf-building-permits"
    },
    {
      "number": "202108186625",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2021-08-18",
      "status_date": "2023-03-31",
      "estimated_cost": 7500,
      "revised_cost": 40000,
      "description": "revision to app#201809119733 and 201707192332. remove and structure posts. new steel beam relocate bath and bedroom walls.",
      "source": "sf-building-permits"
    },
    {
      "number": "202009113996",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "2020-09-11",
      "status_date": "2023-03-31",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "revision to permit application #2017-07-19-2332. revise existing wall layout to match existing conditions. revise existing foundation to brick to match existing conditions. revise shearwall layout.",
      "source": "sf-building-permits"
    },
    {
      "number": "201809119733",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "2018-09-11",
      "status_date": "2023-04-03",
      "estimated_cost": 6150,
      "revised_cost": 100000,
      "description": "unit legalization per ordinance 43-14. upon legalization pa#2018-0911-9733 and adu pa#2018-0122-9195, the building will convert from 3 story 7 unit building to 3 story 9 unit building. total habitable will be 9713 sf.",
      "source": "sf-building-permits"
    },
    {
      "number": "201801229195",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "2018-01-22",
      "status_date": "2023-04-03",
      "estimated_cost": 20000,
      "revised_cost": 160000,
      "description": "(2) adu @ grade level per ord 162-16.",
      "source": "sf-building-permits"
    },
    {
      "number": "201707192332",
      "type": "additions alterations or repairs",
      "status": "expired",
      "filed": "2017-07-19",
      "status_date": "2023-03-31",
      "estimated_cost": 20000,
      "revised_cost": 56600,
      "description": "compliance with mandatory soft story seismic retrofit program cebc 2016 app a4 & sfebc 2016 chp 4d",
      "source": "sf-building-permits"
    },
    {
      "number": "201505196670",
      "type": "additions alterations or repairs",
      "status": "withdrawn",
      "filed": "2015-05-19",
      "status_date": "2019-12-31",
      "estimated_cost": 100000,
      "revised_cost": 518650,
      "description": "construct 4th storey and add one residential unit",
      "source": "sf-building-permits"
    },
    {
      "number": "201010052289",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2010-10-05",
      "status_date": "2010-10-13",
      "estimated_cost": 43000,
      "revised_cost": 43000,
      "description": "revision to 200903033209, detail changes for legalizing replacement unit location",
      "source": "sf-building-permits"
    },
    {
      "number": "201001114526",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2010-01-11",
      "status_date": "2010-05-27",
      "estimated_cost": 9000,
      "revised_cost": 9000,
      "description": "kitchen remodel. no structural. at least 50% high eff lighting",
      "source": "sf-building-permits"
    },
    {
      "number": "M154084",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2009-03-04",
      "status_date": "2009-03-04",
      "revised_cost": 0,
      "description": "to add additional addresses to block 3610 lot 013 (totally 7 units) currently the addresses are #3124 - g/f front unit, #3124a - g/f back unit, #3126 - 2/f, #3128 - 3/f, #3130 - 3/f #3132 - 2/f front unit (now add #3132a - 2/f back unit)",
      "source": "sf-building-permits"
    },
    {
      "number": "200903033209",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "2009-03-03",
      "status_date": "2012-08-23",
      "estimated_cost": 1,
      "revised_cost": 5000,
      "description": "(combine #3124 & #3124a into one unit and will be numebred as #3124) - (move the original #3124a to create new ground floor unit in existing storage area to create separate studio with new kitchen and bath). no work to upper units. no change to unit count.",
      "source": "sf-building-permits"
    },
    {
      "number": "200712170588",
      "type": "additions alterations or repairs",
      "status": "expired",
      "filed": "2007-12-17",
      "status_date": "2012-10-31",
      "estimated_cost": 35000,
      "revised_cost": 35000,
      "description": "provide alterations to bldg. to allow subdivision of preperty. modifcation to include (n) stairway, (n)egress pathways from bldg, parapet, roof work. work related to 3130-3132 21st st only. maintain existing arrangement of four units",
      "source": "sf-building-permits"
    },
    {
      "number": "200703126024",
      "type": "additions alterations or repairs",
      "status": "expired",
      "filed": "2007-03-12",
      "status_date": "2012-08-23",
      "estimated_cost": 70000,
      "revised_cost": 15000,
      "description": "reduce wk for above address (see 200712170588 for add wk- prov alters to the bldg to allow for a subdivision of property.the alters will incl new stairway,new egress pathways fr the bldg & parapet/roof wk.wk related to 3124 - 3128 21st st only.maintain existing arrangements of three units.",
      "source": "sf-building-permits"
    },
    {
      "number": "200611298708",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2006-11-29",
      "status_date": "2006-11-29",
      "estimated_cost": 4000,
      "revised_cost": 4000,
      "description": "kichen remodeling. replace counter tops, cabinets, no structural work",
      "source": "sf-building-permits"
    },
    {
      "number": "200506013937",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2005-06-01",
      "status_date": "2005-07-27",
      "estimated_cost": 5000,
      "revised_cost": 5000,
      "description": "response to notice of violation complaint#200559025 from housing inspection andren karcs.and repair",
      "source": "sf-building-permits"
    },
    {
      "number": "200410197224",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2004-10-19",
      "status_date": "2005-07-11",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "renew app 200312112138 for final inspection",
      "source": "sf-building-permits"
    },
    {
      "number": "200406035462",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2004-06-03",
      "status_date": "2004-09-14",
      "estimated_cost": 10500,
      "revised_cost": 10500,
      "description": "replace existing (1) kitchen cabs and counters, modify plumbing as needed to sink modify elec as nee",
      "source": "sf-building-permits"
    },
    {
      "number": "200312112138",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "2003-12-11",
      "status_date": "2004-04-19",
      "estimated_cost": 1767,
      "revised_cost": 1767,
      "description": "install 3 vinyl windows in kind into extng frames. no change in size or location. windows face the",
      "source": "sf-building-permits"
    },
    {
      "number": "9804155",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1998-03-11",
      "status_date": "1998-04-01",
      "estimated_cost": 2200,
      "description": "upgrades to unit,new cabinets & cabinets in kitchen",
      "source": "sf-building-permits"
    },
    {
      "number": "9315129",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1993-09-01",
      "status_date": "1993-10-04",
      "estimated_cost": 15000,
      "description": "replace cabs & counters/kitchen & 1 bath replace/repair sash",
      "source": "sf-building-permits"
    },
    {
      "number": "9300934",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "1993-01-22",
      "status_date": "1994-03-15",
      "estimated_cost": 3600,
      "description": "reroofing",
      "source": "sf-building-permits"
    },
    {
      "number": "9217477",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "1992-10-08",
      "status_date": "1993-09-23",
      "estimated_cost": 8000,
      "description": "replace kitchen and bath cabinets and counters",
      "source": "sf-building-permits"
    },
    {
      "number": "9119685",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1991-10-17",
      "status_date": "1992-03-30",
      "estimated_cost": 7000,
      "revised_cost": 16000,
      "description": "remove stairways, & replace with code complaint structure",
      "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=3124",
      "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=3610013&$order=closed_roll_year%20DESC&$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=013",
      "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=3610013",
      "retrieved": "2026-07-31"
    }
  ]
}