{
  "address": "473–475 Duboce Avenue, San Francisco, CA 94117",
  "path": "/san-francisco/castro/duboce-avenue/473/",
  "apn": "3537133",
  "block": "3537",
  "lot": "133",
  "eas_baseid": "476278",
  "coordinates": {
    "lat": 37.769193,
    "lng": -122.43073
  },
  "address_range": "473–475",
  "street_numbers_on_parcel": [
    "473",
    "475"
  ],
  "parcel": {
    "year_built": 1880,
    "units": 2,
    "stories": 1,
    "rooms": 9,
    "bathrooms": 2,
    "bedrooms": 3,
    "lot_area_sqft": 2125,
    "building_area_sqft": 1810,
    "lot_depth_ft": 85,
    "use": "Multi-Family Residential",
    "property_class": "Flats & Duplex",
    "construction_type_code": "NA",
    "supervisor_district": 8,
    "assessor_neighborhood": "Duboce Triangle",
    "analysis_neighborhood": "Castro/Upper Market",
    "property_location_raw": "0000 0473 DUBOCE              AV0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 696621,
    "assessed_improvement_value": 174149
  },
  "historic_status": {
    "ceqa_status_code": "A",
    "ceqa_status_code_article_10_11": "A",
    "ceqa_status_label": "Historic resource",
    "reason": "California Register Historic District",
    "yearbuilt": "1880",
    "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": "201405075137",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2014-05-07",
      "status_date": "2014-12-04",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "revision to pa# 201308144305- interior remodeling, relocate washer & dryer, change water heater to hi efficent tankless, change 2 each ssw24-7 to 2 each ssw24-8, keep (e) 2x8 collector joist.",
      "source": "sf-building-permits"
    },
    {
      "number": "201308144305",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2013-08-14",
      "status_date": "2014-12-04",
      "estimated_cost": 20000,
      "revised_cost": 80000,
      "description": "interior remodeling: #475 (g/f) building strengthening, add simpson strong wall & foundation, remove fire place & add closet, remodel & enlarge (e) bathroom, remodel (e) kitchen. #473 (2/f) remove fire place & add closet, replace door @ closet, replace bathroom door & enclose toilet.",
      "source": "sf-building-permits"
    },
    {
      "number": "M200726",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2010-05-05",
      "status_date": "2010-05-05",
      "revised_cost": 1,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "201002096203",
      "type": "additions alterations or repairs",
      "status": "cancelled",
      "filed": "2010-02-09",
      "status_date": "2016-07-13",
      "estimated_cost": 8000,
      "description": "demolition of existing stairs & deck & build new stair & deck. build 1 hour rated firewall at east side.",
      "source": "sf-building-permits"
    },
    {
      "number": "M184788",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2009-11-23",
      "status_date": "2009-11-23",
      "revised_cost": 1,
      "description": "street space permit",
      "source": "sf-building-permits"
    },
    {
      "number": "200910058331",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2009-10-05",
      "status_date": "2010-02-22",
      "estimated_cost": 1000,
      "revised_cost": 1000,
      "description": "revision to appl #200908074331 - remove portion of (e) wall @ east porp line. remove (e) deck on 2nd level. add guardrail @ (e) doors on the second level.",
      "source": "sf-building-permits"
    },
    {
      "number": "200908074331",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2009-08-07",
      "status_date": "2010-02-22",
      "estimated_cost": 10000,
      "revised_cost": 10000,
      "description": "upgrade wall & parapet assemblies along east side of right front bldg incl. exterior wall, new parapet wall to protect (e) deck and skylights, and demo (e) stairs and deck at the rear of building",
      "source": "sf-building-permits"
    },
    {
      "number": "200812108218",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2008-12-10",
      "status_date": "2008-12-24",
      "estimated_cost": 1500,
      "revised_cost": 1500,
      "description": "plywood over existing 1x6 skid sheathing w/ 5/8\" cdx exterior plywood. nail edges every 4\" and field every 8\" w/ 8d sinkers. note - removal of existing sheathing not allowed.",
      "source": "sf-building-permits"
    },
    {
      "number": "200812098129",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2008-12-09",
      "status_date": "2008-12-24",
      "estimated_cost": 7085,
      "revised_cost": 7085,
      "description": "reroofing.",
      "source": "sf-building-permits"
    },
    {
      "number": "200808159279",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2008-08-15",
      "status_date": "2009-04-20",
      "estimated_cost": 3000,
      "revised_cost": 3000,
      "description": "remove (e) storage shed in rear yard",
      "source": "sf-building-permits"
    },
    {
      "number": "9322273",
      "type": "additions alterations or repairs",
      "status": "expired",
      "filed": "1993-12-22",
      "status_date": "1994-06-22",
      "estimated_cost": 500,
      "revised_cost": 1200,
      "description": "horizontal",
      "source": "sf-building-permits"
    },
    {
      "number": "9017659",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1990-09-04",
      "status_date": "1991-01-30",
      "estimated_cost": 2500,
      "description": "remove a frame roof to flat",
      "source": "sf-building-permits"
    },
    {
      "number": "8911071",
      "type": "additions alterations or repairs",
      "status": "cancelled",
      "filed": "1989-06-26",
      "status_date": "1992-03-04",
      "estimated_cost": 5000,
      "description": "repalce (e) roof joist & sheathing with new",
      "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=473",
      "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=3537133&$order=closed_roll_year%20DESC&$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=3537&lot=133",
      "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=3537133",
      "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(-122.43073018933201%2037.76919316200757)%27)",
      "retrieved": "2026-07-28"
    }
  ]
}