{
  "address": "3256 21st Street, San Francisco, CA 94110",
  "path": "/san-francisco/mission/21st-street/3256/",
  "apn": "3609022",
  "block": "3609",
  "lot": "022",
  "eas_baseid": "362372",
  "coordinates": {
    "lat": 37.757161,
    "lng": -122.420222
  },
  "parcel": {
    "year_built": 1925,
    "units": 16,
    "stories": 3,
    "rooms": 35,
    "bathrooms": 16,
    "lot_area_sqft": 3314,
    "building_area_sqft": 8439,
    "use": "Multi-Family Residential",
    "property_class": "Apartment 15 Units or more",
    "construction_type_code": "D",
    "zoning": "NC-3",
    "supervisor_district": 9,
    "assessor_neighborhood": "Inner Mission",
    "analysis_neighborhood": "Mission",
    "property_location_raw": "0000 3256 21ST                ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 1129052,
    "assessed_improvement_value": 1302523,
    "last_sale_date": "2004-10-22"
  },
  "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": "1925",
    "in_article_10_11_historic_district": false,
    "source": "sf-planning"
  },
  "permits": [
    {
      "number": "M932747",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2018-05-31",
      "status_date": "2018-05-31",
      "revised_cost": 1,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "201805290360",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2018-05-29",
      "status_date": "2018-08-30",
      "estimated_cost": 1500,
      "revised_cost": 1596,
      "description": "ti for fa install notification devices in new sleeping areas ref 201804277600, 201804277598, 201704063559. n/a for maher.",
      "source": "sf-building-permits"
    },
    {
      "number": "201804277598",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2018-04-27",
      "status_date": "2018-08-29",
      "estimated_cost": 30000,
      "revised_cost": 30000,
      "description": "one unit: remodel existing unit at 4th fl. new kitchen with new fixtures and finishes and new bedroom",
      "source": "sf-building-permits"
    },
    {
      "number": "201804277600",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2018-04-27",
      "status_date": "2018-08-29",
      "estimated_cost": 40000,
      "revised_cost": 40000,
      "description": "two units: remodel existing units at 4th fl. new kitchens with new fixtures and finishes and new bedrooms",
      "source": "sf-building-permits"
    },
    {
      "number": "M832147",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2017-09-15",
      "status_date": "2017-09-15",
      "revised_cost": 1,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "M812809",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2017-07-24",
      "status_date": "2017-07-24",
      "revised_cost": 1,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "201707192329",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2017-07-19",
      "status_date": "2018-02-08",
      "estimated_cost": 10000,
      "revised_cost": 10000,
      "description": "replace existing plaster & lath in common corridors and stairways with 5/8\" type x gyp bd on floor 1-4 to facilitate fire alarm upgrade related to pa# 201704063359",
      "source": "sf-building-permits"
    },
    {
      "number": "201707061079",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2017-07-06",
      "status_date": "2017-12-05",
      "estimated_cost": 30000,
      "revised_cost": 30000,
      "description": "remodel existing one unit (n) kitchen, (n) bedroom, (n) fixtures in (e) bathroom",
      "source": "sf-building-permits"
    },
    {
      "number": "201705257595",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2017-05-25",
      "status_date": "2018-02-08",
      "estimated_cost": 5000,
      "revised_cost": 5000,
      "description": "revision to 2015-0911-6766. structural revision to structural steel frame",
      "source": "sf-building-permits"
    },
    {
      "number": "201704063359",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2017-04-06",
      "status_date": "2017-12-08",
      "estimated_cost": 5000,
      "revised_cost": 15000,
      "description": "modification of (e) fire alarms system to achieve 75dba in new sleeping units and sprinler monitoring. replace (e) devices like for like ref 201507302906, 201608044219",
      "source": "sf-building-permits"
    },
    {
      "number": "201610261176",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "2016-10-26",
      "status_date": "2019-04-19",
      "estimated_cost": 126000,
      "revised_cost": 126000,
      "description": "add unit per ordinances 162-16. at ground floor, add new unit to replace three (e) garage stalls. soft story upgrade under pa# 2015/09/11/6766. ** maher: n/a **",
      "source": "sf-building-permits"
    },
    {
      "number": "201610261189",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2016-10-26",
      "status_date": "2017-12-06",
      "estimated_cost": 25000,
      "revised_cost": 25000,
      "description": "remodel (e) two units at 3rd & 4th floor. relocate kitchen with new fixture and fisinshes and new bedroom",
      "source": "sf-building-permits"
    },
    {
      "number": "201608044219",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2016-08-04",
      "status_date": "2017-11-27",
      "estimated_cost": 10000,
      "revised_cost": 35000,
      "description": "install (35) heads for entire ground floor per nfpa #13 (garage), nfpa-13r (unit) & underground per nfpa 24. ref t.i. #2015-0730-2906. n/a maher ordinance",
      "source": "sf-building-permits"
    },
    {
      "number": "201607283668",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2016-07-28",
      "status_date": "2017-02-08",
      "estimated_cost": 30000,
      "revised_cost": 30000,
      "description": "one unit, 4th floor - remodel (n) kitchen and living area, (n) bathroom fixtures and finishes",
      "source": "sf-building-permits"
    },
    {
      "number": "201607223058",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2016-07-22",
      "status_date": "2017-12-05",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "revision ref pa 201507302906 - change of kitchen & bathroom change the lightwell to courtyard maher na",
      "source": "sf-building-permits"
    },
    {
      "number": "201509116766",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "2015-09-11",
      "status_date": "2018-02-07",
      "estimated_cost": 60000,
      "revised_cost": 80000,
      "description": "soft story retrofit per sfbc chapter 34b. fema p-807. soft story retrofit: sw & mf @ ground floor. ** maher: compliance with ordinance no# 155-13 not required **",
      "source": "sf-building-permits"
    },
    {
      "number": "201507302906",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "2015-07-30",
      "status_date": "2017-12-05",
      "estimated_cost": 135000,
      "revised_cost": 150000,
      "description": "at ground floor, legalize (e) in-law dwelling unit. replace (e) garage stall w/ (n) bedroom. enlarge (e) courtyard. (n) bathroom & kitchen. n/a for maher ordinance no.155-13.",
      "source": "sf-building-permits"
    },
    {
      "number": "201407090755",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2014-07-09",
      "status_date": "2014-12-29",
      "estimated_cost": 50000,
      "revised_cost": 50000,
      "description": "to comply with nov 201384461 - remove lath & plaster, replace with sheetrock, install new kitchen counter, new cabinets, new appliances, new bathroom tiles, new bathroom fixtures. work is in two units. no change to exsiting framing. no exterior work.",
      "source": "sf-building-permits"
    },
    {
      "number": "201307293051",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2013-07-29",
      "status_date": "2013-07-29",
      "estimated_cost": 80000,
      "revised_cost": 80000,
      "description": "to comply with nov #201384461. repair fire damaged to one unit. no structural work",
      "source": "sf-building-permits"
    },
    {
      "number": "200202058550",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2002-02-05",
      "status_date": "2002-03-22",
      "estimated_cost": 5000,
      "revised_cost": 5000,
      "description": "remove illegal unit at gr flr garage lvl, 16 legal units,rmv kitchn, cap utilities,rmv shwr,lvng rm",
      "source": "sf-building-permits"
    },
    {
      "number": "9406412",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1994-04-22",
      "status_date": "1994-05-05",
      "estimated_cost": 450,
      "description": "install 1 hr fire door bet. lobby & laundry room",
      "source": "sf-building-permits"
    },
    {
      "number": "8610347",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1986-08-22",
      "status_date": "1988-08-15",
      "estimated_cost": 3870,
      "description": "to bring into code",
      "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=3256",
      "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=3609022&$order=closed_roll_year%20DESC&$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=3609&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=3609022",
      "retrieved": "2026-07-31"
    }
  ]
}