{
  "address": "3374–3376 20th Street, San Francisco, CA 94110",
  "path": "/san-francisco/mission/20th-street/3374/",
  "apn": "3594016A",
  "block": "3594",
  "lot": "016A",
  "eas_baseid": "361365",
  "coordinates": {
    "lat": 37.759019,
    "lng": -122.416283
  },
  "address_range": "3374–3376",
  "street_numbers_on_parcel": [
    "3374",
    "3376"
  ],
  "parcel": {
    "year_built": 1900,
    "units": 3,
    "stories": 3,
    "rooms": 17,
    "bathrooms": 5,
    "bedrooms": 10,
    "lot_area_sqft": 2374,
    "building_area_sqft": 3966,
    "use": "Multi-Family Residential",
    "property_class": "Flats & Duplex",
    "construction_type_code": "D",
    "zoning": "NC-2",
    "supervisor_district": 9,
    "assessor_neighborhood": "Inner Mission",
    "analysis_neighborhood": "Mission",
    "property_location_raw": "3376 3374 20TH                ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 1448117,
    "assessed_improvement_value": 620621,
    "last_sale_date": "2017-06-06"
  },
  "historic_status": {
    "ceqa_status_code": "A",
    "ceqa_status_code_article_10_11": "A",
    "ceqa_status_label": "Historic resource",
    "reason": "Historic Survey Result",
    "yearbuilt": "1900",
    "in_article_10_11_historic_district": false,
    "source": "sf-planning"
  },
  "permits": [
    {
      "number": "200808139061",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2008-08-13",
      "status_date": "2008-08-25",
      "estimated_cost": 1500,
      "revised_cost": 1500,
      "description": "to comply with his nov. # 200863553 dated 7/23/2008. repair existing emergency upstairs less than 50%.",
      "source": "sf-building-permits"
    },
    {
      "number": "200510286825",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2005-10-28",
      "status_date": "2005-10-31",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "correct legal description of e building as filed on 200309053980 to r-3/b, description of building after proposed alteration may remain r-3, 2 units, correct address of building for 200412101193,200309053980, 200510185895. the correct address shall be 3374 and 3376 20th st",
      "source": "sf-building-permits"
    },
    {
      "number": "200510185895",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2005-10-18",
      "status_date": "2005-10-31",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "renew for final only pa 200409133912-200309053980-200412101193",
      "source": "sf-building-permits"
    },
    {
      "number": "200505233194",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "2005-05-23",
      "status_date": "2005-10-17",
      "estimated_cost": 600,
      "revised_cost": 1000,
      "description": "to make a new curb cut on (e) garage as a. revision to pa#200409133912.",
      "source": "sf-building-permits"
    },
    {
      "number": "200412101193",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "2004-12-10",
      "status_date": "2006-09-28",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "revision to pa #200409133912",
      "source": "sf-building-permits"
    },
    {
      "number": "200409133912",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "2004-09-13",
      "status_date": "2006-09-28",
      "estimated_cost": 2000,
      "revised_cost": 2000,
      "description": "grd fl alteration. create habitable space@ grd fl, belonging to dwelling unit constisting of garage,",
      "source": "sf-building-permits"
    },
    {
      "number": "200309053980",
      "type": "additions alterations or repairs",
      "status": "expired",
      "filed": "2003-09-05",
      "status_date": "2004-10-26",
      "estimated_cost": 12000,
      "revised_cost": 57000,
      "description": "grnd flr alteration-create habitable spc at grnd flr, belonging to dwelling unit directly above,",
      "source": "sf-building-permits"
    },
    {
      "number": "9301435",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "1993-01-29",
      "status_date": "1993-05-29",
      "estimated_cost": 2000,
      "description": "reroofing",
      "source": "sf-building-permits"
    },
    {
      "number": "8714928",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1987-10-16",
      "status_date": "1989-01-27",
      "estimated_cost": 39000,
      "description": "replace footing, install shear walls & ridgid frame, stairs",
      "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=20TH&street_type=ST&address_number=3374",
      "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=3594016A&$order=closed_roll_year%20DESC&$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=3594&lot=016A",
      "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=3594016A",
      "retrieved": "2026-07-31"
    }
  ]
}