{
  "address": "527–531 Duboce Avenue, San Francisco, CA 94117",
  "path": "/san-francisco/castro/duboce-avenue/527/",
  "apn": "3538094",
  "block": "3538",
  "lot": "094",
  "eas_baseid": "358650",
  "coordinates": {
    "lat": 37.769041,
    "lng": -122.431959
  },
  "address_range": "527–531",
  "street_numbers_on_parcel": [
    "527",
    "529",
    "531"
  ],
  "parcel": {
    "year_built": 1906,
    "units": 4,
    "stories": 3,
    "rooms": 18,
    "bathrooms": 5,
    "bedrooms": 8,
    "lot_area_sqft": 2400,
    "building_area_sqft": 4866,
    "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": "0531 0527 DUBOCE              AV0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 2414246,
    "assessed_improvement_value": 1034676,
    "last_sale_date": "2022-06-01"
  },
  "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": "1906",
    "survey_name": "527-531 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": "202104067954",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2021-04-06",
      "status_date": "2021-08-16",
      "estimated_cost": 30000,
      "revised_cost": 40000,
      "description": "one unit kitchen and bath remodel demo and infill walls",
      "source": "sf-building-permits"
    },
    {
      "number": "M1104247",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2019-07-02",
      "status_date": "2019-07-02",
      "revised_cost": 1,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "201505085824",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2015-05-08",
      "status_date": "2015-06-16",
      "estimated_cost": 25000,
      "revised_cost": 25000,
      "description": "replace 23 old windows in vinyl loe double pane windows & repair sidings-trim at exterior lightwell,widows located at back of house, not visible from street.",
      "source": "sf-building-permits"
    },
    {
      "number": "201212105785",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2012-12-10",
      "status_date": "2014-03-11",
      "estimated_cost": 7000,
      "revised_cost": 7000,
      "description": "reroofing",
      "source": "sf-building-permits"
    },
    {
      "number": "201209260693",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2012-09-26",
      "status_date": "2012-11-08",
      "estimated_cost": 20000,
      "revised_cost": 20000,
      "description": "inspect back facade siding for dryrot & apply vapor barrier/building paper over old and apply permed cedar siding & trim out on window. replace 6 old single hung window w/ new vinyl low (e) window.",
      "source": "sf-building-permits"
    },
    {
      "number": "201111078410",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2011-11-07",
      "status_date": "2011-12-28",
      "estimated_cost": 27000,
      "revised_cost": 27000,
      "description": "remodel apt kitchen and bathroom electrical and plumbign done by sub-contractors under separate permits no structural changes, change out 2 windows (1 kitchen & 1 bathroom) by inserts, backside of building",
      "source": "sf-building-permits"
    },
    {
      "number": "201106208490",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2011-06-20",
      "status_date": "2011-09-23",
      "estimated_cost": 39000,
      "revised_cost": 39000,
      "description": "remodel kitchen, bathroom,hall/plmg, electrical by subcontractor at one unit. no structural work. no wall relocation. new lighting comply with cec 150",
      "source": "sf-building-permits"
    },
    {
      "number": "M184827",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2009-11-23",
      "status_date": "2009-11-23",
      "revised_cost": 0,
      "description": "streetspace",
      "source": "sf-building-permits"
    },
    {
      "number": "9915343",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1999-07-27",
      "status_date": "2000-01-19",
      "estimated_cost": 30000,
      "description": "new bath fixtures,headers,finishes,doors/windows,remve door",
      "source": "sf-building-permits"
    },
    {
      "number": "9420608",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "1994-12-15",
      "status_date": "1995-07-13",
      "estimated_cost": 5673,
      "description": "reroofing",
      "source": "sf-building-permits"
    },
    {
      "number": "9021329",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1990-10-16",
      "status_date": "1990-10-24",
      "estimated_cost": 5200,
      "description": "install mudsill anchor bolts, plywood gussets at post",
      "source": "sf-building-permits"
    },
    {
      "number": "8408181",
      "type": "additions alterations or repairs",
      "status": "expired",
      "filed": "1984-07-27",
      "status_date": "1985-10-10",
      "estimated_cost": 7000,
      "description": "repair of water damage in 9 rooms of unit painting 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=527",
      "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=3538094&$order=closed_roll_year%20DESC&$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=094",
      "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=3538094",
      "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(-122.43195851091104%2037.7690405251702)%27)",
      "retrieved": "2026-07-28"
    }
  ]
}