{
  "address": "3057 21st Street, San Francisco, CA 94110",
  "path": "/san-francisco/mission/21st-street/3057/",
  "apn": "3614060",
  "block": "3614",
  "lot": "060",
  "eas_baseid": "362747",
  "coordinates": {
    "lat": 37.75704,
    "lng": -122.415881
  },
  "parcel": {
    "year_built": 1963,
    "units": 4,
    "stories": 2,
    "rooms": 12,
    "bathrooms": 4,
    "lot_area_sqft": 2108,
    "building_area_sqft": 2794,
    "use": "Multi-Family Residential",
    "property_class": "Apartment 4 units or less",
    "construction_type_code": "D",
    "zoning": "RH-3",
    "supervisor_district": 9,
    "assessor_neighborhood": "Inner Mission",
    "analysis_neighborhood": "Mission",
    "property_location_raw": "0000 3057 21ST                ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 384816,
    "assessed_improvement_value": 384816,
    "last_sale_date": "2013-03-19"
  },
  "historic_status": {
    "ceqa_status_code": "A",
    "ceqa_status_code_article_10_11": "A",
    "ceqa_status_label": "Historic resource",
    "reason": "National Register Historic District, California Register Historic District",
    "yearbuilt": "1963",
    "in_article_10_11_historic_district": false,
    "source": "sf-planning"
  },
  "historic_district": {
    "name": "Shotwell Street Historic District",
    "california_register_status": "Eligible (not listed)",
    "national_register_status": "Eligible (not listed)",
    "article_10_11_status": "No local landmark protection",
    "local_landmark_protection": false,
    "period_of_significance": "1865–1905",
    "source": "sf-historic-districts"
  },
  "permits": [
    {
      "number": "202012019940",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2020-12-01",
      "status_date": "2020-12-01",
      "estimated_cost": 35000,
      "revised_cost": 35000,
      "description": "one unit. kitchen and bathroom remodel, like for like.",
      "source": "sf-building-permits"
    },
    {
      "number": "201908239742",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2019-08-23",
      "status_date": "2019-08-23",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "change description of work to include \"voluntary seismic upgrade per ab-094. bpa#201907095459\"",
      "source": "sf-building-permits"
    },
    {
      "number": "201908239764",
      "type": "additions alterations or repairs",
      "status": "filed",
      "filed": "2019-08-23",
      "status_date": "2019-08-23",
      "estimated_cost": 250000,
      "description": "per ord #162-17. convert (e) garage space to (2) adu units. this entails adding windows @ front grnd fl. remove interior grnd fl. seismic upgrade @ grnd fl walls & foundation. add planters & awning to extend 2'-0' beyond front property ad",
      "source": "sf-building-permits"
    },
    {
      "number": "201907095459",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2019-07-09",
      "status_date": "2019-07-15",
      "estimated_cost": 150000,
      "revised_cost": 50000,
      "description": "voluntary seismic upgrade. shear wall ground story at (e) garage",
      "source": "sf-building-permits"
    },
    {
      "number": "201404072633",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2014-04-07",
      "status_date": "2014-10-09",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "revision to application # 201312275186 change window material from aluminum to fiberglass anderson fiberx windows.",
      "source": "sf-building-permits"
    },
    {
      "number": "201404072646",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2014-04-07",
      "status_date": "2014-10-09",
      "estimated_cost": 5000,
      "revised_cost": 5000,
      "description": "revision to application # 2014.0325.1691 issued 3/25/2014, more dry rot discovered in framing & sheeting of back structure, replace damanged framing, sheating & stucco at rear wall of structure, replace (5) rear doors, (4) unit doors to fire escape, & 1 door to laundry room.",
      "source": "sf-building-permits"
    },
    {
      "number": "201403251691",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2014-03-25",
      "status_date": "2014-10-09",
      "estimated_cost": 900,
      "revised_cost": 900,
      "description": "repair/replace wood due to dry rot damage at upper corners of garage door openings at the back of the building, not visible from the street.",
      "source": "sf-building-permits"
    },
    {
      "number": "201312275186",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2013-12-27",
      "status_date": "2014-10-09",
      "estimated_cost": 4000,
      "revised_cost": 4000,
      "description": "replace 8 windows 4 front 4 rear to use aluminum windows sliders or casement xox.",
      "source": "sf-building-permits"
    },
    {
      "number": "8500331",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1985-01-10",
      "status_date": "1986-03-04",
      "estimated_cost": 1000,
      "description": "to bring building into full compliance with the provisions",
      "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=3057",
      "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=3614060&$order=closed_roll_year%20DESC&$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=3614&lot=060",
      "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=3614060",
      "retrieved": "2026-07-31"
    },
    {
      "id": "sf-historic-districts",
      "name": "SF Planning Department — Historic Districts via DataSF",
      "query": "https://data.sfgov.org/resource/63x5-g3m4.json?$where=intersects(the_geom,%20%27POINT(-122.41588097157164%2037.75703991694109)%27)",
      "retrieved": "2026-07-31"
    }
  ]
}