{
  "address": "451–455 Duboce Avenue, San Francisco, CA 94117",
  "path": "/san-francisco/castro/duboce-avenue/451/",
  "apn": "3537058",
  "block": "3537",
  "lot": "058",
  "eas_baseid": "358543",
  "coordinates": {
    "lat": 37.76912,
    "lng": -122.430369
  },
  "address_range": "451–455",
  "street_numbers_on_parcel": [
    "451",
    "453",
    "455"
  ],
  "parcel": {
    "year_built": 1900,
    "units": 3,
    "stories": 3,
    "rooms": 17,
    "bathrooms": 3,
    "lot_area_sqft": 2748,
    "building_area_sqft": 4050,
    "use": "Multi-Family Residential",
    "property_class": "Flats & Duplex",
    "construction_type_code": "D",
    "zoning": "RM-2",
    "supervisor_district": 8,
    "assessor_neighborhood": "Duboce Triangle",
    "analysis_neighborhood": "Castro/Upper Market",
    "property_location_raw": "0000 0451 DUBOCE              AV0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 61650,
    "assessed_improvement_value": 64888
  },
  "historic_status": {
    "ceqa_status_code": "A",
    "ceqa_status_code_article_10_11": "A",
    "ceqa_status_label": "Historic resource",
    "reason": "California Register Historic District, Historic Survey Result",
    "yearbuilt": "1900",
    "survey_name": "451-455 Duboce Ave",
    "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": "202110120247",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2021-10-12",
      "status_date": "2022-02-17",
      "estimated_cost": 3200,
      "revised_cost": 3200,
      "description": "to replace extg gas furnace and 5/8\" type x sheetrocks in the lowered ceiling covering ducts. work under mechanical permit. pmw 20210917821",
      "source": "sf-building-permits"
    },
    {
      "number": "200204265044",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "2002-04-26",
      "status_date": "2002-08-26",
      "estimated_cost": 500,
      "revised_cost": 500,
      "description": "revision to app #200105250079 rebuild back stair roof cover stair",
      "source": "sf-building-permits"
    },
    {
      "number": "200105250079",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "2001-05-25",
      "status_date": "2001-09-25",
      "estimated_cost": 2000,
      "revised_cost": 2000,
      "description": "rebuild rear wood stair",
      "source": "sf-building-permits"
    },
    {
      "number": "9502301",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1995-02-17",
      "status_date": "1995-05-03",
      "estimated_cost": 5000,
      "description": "repair dry rot and rear stairs divide 1/f unit into 2 unit",
      "source": "sf-building-permits"
    },
    {
      "number": "9313530",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "1993-08-10",
      "status_date": "1994-02-08",
      "estimated_cost": 2500,
      "description": "complete the dry rot repair of back stair & porch #9206819",
      "source": "sf-building-permits"
    },
    {
      "number": "9206819",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "1992-04-27",
      "status_date": "1992-10-27",
      "estimated_cost": 5900,
      "description": "to complete work started under 9108034",
      "source": "sf-building-permits"
    },
    {
      "number": "9110822",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1991-06-20",
      "status_date": "1991-11-20",
      "estimated_cost": 9750,
      "description": "reroofing.",
      "source": "sf-building-permits"
    },
    {
      "number": "9108034",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "1991-05-09",
      "status_date": "1992-03-27",
      "estimated_cost": 3000,
      "description": "renew application no.9006153",
      "source": "sf-building-permits"
    },
    {
      "number": "9006155",
      "type": "additions alterations or repairs",
      "status": "expired",
      "filed": "1990-04-02",
      "status_date": "1991-03-05",
      "estimated_cost": 5000,
      "description": "sheetrock, earthquake repair",
      "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=451",
      "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=3537058&$order=closed_roll_year%20DESC&$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=058",
      "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=3537058",
      "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(-122.43036868004289%2037.76911971774811)%27)",
      "retrieved": "2026-07-28"
    }
  ]
}