{
  "address": "3278 21st Street, San Francisco, CA 94110",
  "path": "/san-francisco/mission/21st-street/3278/",
  "apn": "3609025",
  "block": "3609",
  "lot": "025",
  "eas_baseid": "362374",
  "coordinates": {
    "lat": 37.757133,
    "lng": -122.420647
  },
  "parcel": {
    "year_built": 1906,
    "units": 2,
    "stories": 2,
    "rooms": 11,
    "bathrooms": 4,
    "lot_area_sqft": 1947,
    "building_area_sqft": 2958,
    "use": "Multi-Family Residential",
    "property_class": "Flat & Store 4 units or less",
    "construction_type_code": "NA",
    "zoning": "NC-3",
    "supervisor_district": 9,
    "assessor_neighborhood": "Inner Mission",
    "analysis_neighborhood": "Mission",
    "property_location_raw": "0000 3278 21ST                ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 1284417,
    "assessed_improvement_value": 1101553,
    "last_sale_date": "2015-10-30"
  },
  "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": "1906",
    "in_article_10_11_historic_district": false,
    "source": "sf-planning"
  },
  "permits": [
    {
      "number": "202502039593",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2025-02-03",
      "status_date": "2025-08-12",
      "estimated_cost": 1,
      "revised_cost": 10000,
      "description": "revision to pa# 202501309405 to reflect structural modification & skylight (not visible from st)",
      "source": "sf-building-permits"
    },
    {
      "number": "202501309405",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2025-01-30",
      "status_date": "2025-08-12",
      "estimated_cost": 35000,
      "revised_cost": 86300,
      "description": "remodel of e) 3rd fl flat: modify floor layout, relocate kitchen, remodel bath & add 2 (n) bathrooms. no exterior work",
      "source": "sf-building-permits"
    },
    {
      "number": "202410243642",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2024-10-24",
      "status_date": "2024-10-24",
      "estimated_cost": 45000,
      "revised_cost": 45000,
      "description": "one unit: remodel kitchen & bathroom (inside dwelling unit); comply with nov201962061 item 2 provide heat.",
      "source": "sf-building-permits"
    },
    {
      "number": "202106092027",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2021-06-09",
      "status_date": "2021-10-13",
      "estimated_cost": 60000,
      "revised_cost": 60000,
      "description": "2nd flr remodel(one unit) remodel - relocate kitchen, add two (n) bathrms, modify partition walls. remodel of (e) bath, utility rm, replace (e) water heater & furnace under separate pa# 2021-0513-0431. interior work only.",
      "source": "sf-building-permits"
    },
    {
      "number": "202105130341",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2021-05-13",
      "status_date": "2021-05-13",
      "estimated_cost": 20000,
      "revised_cost": 20000,
      "description": "one unit: remodel existing bathroom & utility room in kind. replace (e) furnace & water heater intake.",
      "source": "sf-building-permits"
    },
    {
      "number": "M892847",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2018-02-23",
      "status_date": "2018-02-23",
      "revised_cost": 0,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "201801239245",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2018-01-23",
      "status_date": "2018-05-16",
      "estimated_cost": 35000,
      "revised_cost": 35000,
      "description": "ti for a nail salon. change of use to retail nail salon.",
      "source": "sf-building-permits"
    },
    {
      "number": "201712196806",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2017-12-19",
      "status_date": "2018-02-28",
      "estimated_cost": 5000,
      "revised_cost": 8000,
      "description": "mech plan - adding new furnace only. shell & core only title 24 maher na",
      "source": "sf-building-permits"
    },
    {
      "number": "201710121112",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2017-10-12",
      "status_date": "2018-01-29",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "to obtain final inspection for work approved under pa# 201512175379 & 201604185062. all work is complete.",
      "source": "sf-building-permits"
    },
    {
      "number": "M822629",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2017-08-23",
      "status_date": "2017-08-23",
      "revised_cost": 1,
      "description": "street space with mta",
      "source": "sf-building-permits"
    },
    {
      "number": "201701127066",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2017-01-12",
      "status_date": "2019-11-13",
      "estimated_cost": 5000,
      "revised_cost": 100000,
      "description": "revision to app#201604185062: replace foundations at extg brick footing locations and rear yard foundation. repair extg egress stairs at rear yard less than 50%.infill below extg habitable space at 1st floor into retail space. add moment frame to front and rear of bldg at ground floor. n/a for maher",
      "source": "sf-building-permits"
    },
    {
      "number": "201606240832",
      "type": "otc alterations permit",
      "status": "withdrawn",
      "filed": "2016-06-24",
      "status_date": "2017-10-12",
      "estimated_cost": 30000,
      "revised_cost": 30000,
      "description": "voluntary soft story retrofit by adding new foundation, steel strong walls, ordinary moment frame and upgrading some ground floor walls to shear walls. maher na",
      "source": "sf-building-permits"
    },
    {
      "number": "201604185062",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "2016-04-18",
      "status_date": "2017-10-31",
      "estimated_cost": 2000,
      "revised_cost": 10000,
      "description": "revision to 201512175379 widending storefront at commercial gr fl, approved under previous permit # 201512175379",
      "source": "sf-building-permits"
    },
    {
      "number": "201512175379",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "2015-12-17",
      "status_date": "2017-10-31",
      "estimated_cost": 25000,
      "revised_cost": 42000,
      "description": "(e) 3 story bldg, 2 units covert existing garage & storage area at ground floor into a new commercial retail use (m) occupancy. maher na",
      "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=3278",
      "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=3609025&$order=closed_roll_year%20DESC&$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=025",
      "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=3609025",
      "retrieved": "2026-07-31"
    }
  ]
}