{
  "address": "523 Duboce Avenue, San Francisco, CA 94117",
  "path": "/san-francisco/castro/duboce-avenue/523/",
  "apn": "3538095",
  "block": "3538",
  "lot": "095",
  "eas_baseid": "358651",
  "coordinates": {
    "lat": 37.769046,
    "lng": -122.431876
  },
  "parcel": {
    "year_built": 1976,
    "units": 3,
    "stories": 2,
    "rooms": 11,
    "bathrooms": 4,
    "lot_area_sqft": 2395,
    "building_area_sqft": 3120,
    "use": "Multi-Family Residential",
    "property_class": "Apartment 4 units or less",
    "construction_type_code": "D",
    "zoning": "RH-3",
    "supervisor_district": 8,
    "assessor_neighborhood": "Duboce Triangle",
    "analysis_neighborhood": "Castro/Upper Market",
    "property_location_raw": "0000 0523 DUBOCE              AV0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 1298248,
    "assessed_improvement_value": 614955,
    "last_sale_date": "2005-09-09"
  },
  "historic_status": {
    "ceqa_status_code": "A",
    "ceqa_status_code_article_10_11": "A",
    "ceqa_status_label": "Historic resource",
    "reason": "California Register Historic District",
    "yearbuilt": "1976",
    "in_article_10_11_historic_district": false,
    "source": "sf-planning"
  },
  "historic_district": {
    "name": "Duboce Triangle Historic District",
    "california_register_status": "Eligible (not listed)",
    "national_register_status": "Not listed",
    "article_10_11_status": "No local landmark protection",
    "local_landmark_protection": false,
    "period_of_significance": "ca 1870–ca 1920",
    "source": "sf-historic-districts"
  },
  "permits": [
    {
      "number": "200603025855",
      "type": "additions alterations or repairs",
      "status": "cancelled",
      "filed": "2006-03-02",
      "status_date": "2007-09-27",
      "estimated_cost": 185000,
      "description": "4th story addition to existing 3 story bldg. add fire sprinkler & alarm. level 1: exit door, new striping, rails, curbs,relocate wh. lever 3: new stair,remodel (e)kitchen & bath",
      "source": "sf-building-permits"
    },
    {
      "number": "9612462",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "1996-07-11",
      "status_date": "1997-03-16",
      "estimated_cost": 6000,
      "description": "reroofing",
      "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=DUBOCE&street_type=AVE&address_number=523",
      "retrieved": "2026-07-28"
    },
    {
      "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=3538095&$order=closed_roll_year%20DESC&$limit=1",
      "retrieved": "2026-07-28"
    },
    {
      "id": "sf-building-permits",
      "name": "SF Dept. of Building Inspection via DataSF",
      "query": "https://data.sfgov.org/resource/i98e-djp9.json?block=3538&lot=095",
      "retrieved": "2026-07-28"
    },
    {
      "id": "sf-planning",
      "name": "SF Planning Department — Historic Resource Status by Parcel via DataSF",
      "query": "https://data.sfgov.org/resource/3tsw-4idn.json?apn=3538095",
      "retrieved": "2026-07-28"
    },
    {
      "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(-122.43187574358427%2037.769045790177096)%27)",
      "retrieved": "2026-07-28"
    },
    {
      "id": "duboce-triangle-context-statement",
      "name": "Christopher VerPlanck (VerPlanck Historic Preservation Consulting), Duboce Triangle Historic Context Statement, prepared for the Duboce Triangle Neighborhood Association, dated August 26, 2022, adopted 2022",
      "query": "https://sfplanning.s3.amazonaws.com/default/files/Preservation/DuboceTriangleHCS/preserv_duboce_triangleHCS-draft.pdf",
      "listing": "https://sfplanning.org/project/sf-histories-historic-context-statements#completed",
      "label": "Duboce Triangle Historic Context Statement, adopted 2022",
      "retrieved": "2026-08-13"
    }
  ],
  "historical_record": [
    {
      "kind": "history",
      "date": "1966",
      "description": "The building that stood here was destroyed by fire, one of several lost in Duboce Triangle in the 1960s as absentee owners let the housing stock decay. The parcel stayed vacant until 1976.",
      "source": "duboce-triangle-context-statement"
    }
  ]
}