{
  "address": "320–324 12th Street, San Francisco, CA 94103",
  "path": "/san-francisco/mission/12th-street/320/",
  "apn": "3522003",
  "block": "3522",
  "lot": "003",
  "eas_baseid": "358137",
  "coordinates": {
    "lat": 37.770569,
    "lng": -122.414577
  },
  "address_range": "320–324",
  "street_numbers_on_parcel": [
    "320",
    "322",
    "324"
  ],
  "parcel": {
    "year_built": 1907,
    "units": 3,
    "stories": 3,
    "rooms": 19,
    "bathrooms": 3,
    "lot_area_sqft": 2060,
    "building_area_sqft": 4638,
    "use": "Multi-Family Residential",
    "property_class": "Flats & Duplex",
    "construction_type_code": "D",
    "zoning": "SLR",
    "supervisor_district": 6,
    "assessor_neighborhood": "South of Market",
    "analysis_neighborhood": "Mission",
    "property_location_raw": "0324 0320 12TH                ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 18221,
    "assessed_improvement_value": 47099
  },
  "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, Historic Survey Result",
    "yearbuilt": "1907",
    "in_article_10_11_historic_district": false,
    "source": "sf-planning"
  },
  "historic_district": {
    "name": "Western SOMA Light Industrial and Residential 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": "1906–1936",
    "source": "sf-historic-districts"
  },
  "permits": [
    {
      "number": "201805239960",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2018-05-23",
      "status_date": "2018-09-10",
      "estimated_cost": 400,
      "revised_cost": 400,
      "description": "some floor boards on rear exterior stairs dry rot and need to be replaced. less than 10% and remove bracing used on neighboring property for extra support for stairs. comply with nov 20185541 #2",
      "source": "sf-building-permits"
    },
    {
      "number": "M348888",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2012-09-19",
      "status_date": "2012-09-19",
      "revised_cost": 1,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "200707237514",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2007-07-23",
      "status_date": "2008-04-03",
      "estimated_cost": 5000,
      "revised_cost": 5000,
      "description": "repair rear stairs. less than 50% of structural to comply w/bid nov#200707654.",
      "source": "sf-building-permits"
    },
    {
      "number": "8606185",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1986-05-27",
      "status_date": "1986-09-25",
      "estimated_cost": 3000,
      "description": "remodel kitchen",
      "source": "sf-building-permits"
    },
    {
      "number": "8505029",
      "type": "additions alterations or repairs",
      "status": "cancelled",
      "filed": "1985-05-14",
      "status_date": "1985-12-20",
      "estimated_cost": 1000,
      "description": "replace aluminum windows, add deadbolts to all units",
      "source": "sf-building-permits"
    },
    {
      "number": "8202121",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1982-03-22",
      "status_date": "1983-03-04",
      "estimated_cost": 12000,
      "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=12TH&street_type=ST&address_number=320",
      "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=3522003&$order=closed_roll_year%20DESC&$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=3522&lot=003",
      "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=3522003",
      "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(-122.4145774740073%2037.77056934096506)%27)",
      "retrieved": "2026-07-31"
    },
    {
      "id": "soma-historic-resource-survey",
      "name": "San Francisco Planning Department, assisted by Page & Turnbull, Inc., South of Market Area Historic Resource Survey (Eastern Neighborhoods SoMa Area Plan and Western SoMa Community Plan survey, 2007–2010) — List of Surveyed Properties, sorted by Street Address; findings adopted by the Historic Preservation Commission on 16 February 2011, Resolution No. 103",
      "query": "https://default.sfplanning.org/Preservation/soma_survey/ALL_SOMA_SurveyData_by_address.pdf",
      "listing": "https://sfgov.org/sfplanningarchive/south-market-area-historic-resource-survey",
      "label": "South of Market Area Historic Resource Survey, 2011",
      "retrieved": "2026-10-21"
    }
  ],
  "historic_survey": [
    {
      "survey": "South of Market Historic Resource Survey (2011)",
      "proposed_status_code": "3D",
      "status_code_meaning": "3D — appears eligible for the National Register as a contributor to an eligible district, through survey evaluation",
      "eligible_district": "West SOMA Light Industrial and Residential",
      "physical_integrity": "6 of 7",
      "note": "Architecture rated 3 of 5, where 4 and 5 mark buildings that may be individually eligible for the California or National Register and 1 the plainest or most altered.",
      "source": "soma-historic-resource-survey"
    }
  ]
}