{
  "address": "284 Collingwood Street, San Francisco, CA 94114",
  "path": "/san-francisco/castro/collingwood-street/284/",
  "apn": "2697012",
  "block": "2697",
  "lot": "012",
  "eas_baseid": "344465",
  "coordinates": {
    "lat": 37.757881,
    "lng": -122.43611
  },
  "parcel": {
    "year_built": 1900,
    "units": 1,
    "stories": 1,
    "rooms": 6,
    "bathrooms": 2,
    "bedrooms": 2,
    "lot_area_sqft": 2748,
    "building_area_sqft": 1350,
    "use": "Single Family Residential",
    "property_class": "Dwelling",
    "construction_type_code": "D",
    "zoning": "RH-3",
    "supervisor_district": 8,
    "assessor_neighborhood": "Eureka Valley/Dolores Heights",
    "analysis_neighborhood": "Castro/Upper Market",
    "property_location_raw": "0000 0284 COLLINGWOOD         ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 1608939,
    "assessed_improvement_value": 689541,
    "last_sale_date": "2014-05-28"
  },
  "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": "201701127067",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2017-01-12",
      "status_date": "2017-01-12",
      "estimated_cost": 18500,
      "revised_cost": 18500,
      "description": "re-roofing",
      "source": "sf-building-permits"
    },
    {
      "number": "201206223207",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2012-06-22",
      "status_date": "2012-08-17",
      "estimated_cost": 9000,
      "revised_cost": 9000,
      "description": "add shower to ecisting powder room and closet. remove non bearing wall between bath and closet. existing bathfan to remain. new bath lighting high eff",
      "source": "sf-building-permits"
    },
    {
      "number": "200805282986",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2008-05-28",
      "status_date": "2009-03-27",
      "estimated_cost": 96000,
      "revised_cost": 75000,
      "description": "horizontal addition of 70sf of a single story area in the left rear portion of ex. bldg.. new area to include expanding ex. bath and bedroom and adding new powder room. relocate ex. overhead beam in the basement. new electrical, plumbing and r-30, r-13 wall and ceiling insulation. interior finishes.",
      "source": "sf-building-permits"
    },
    {
      "number": "200804018489",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2008-04-01",
      "status_date": "2008-12-16",
      "estimated_cost": 24000,
      "revised_cost": 24000,
      "description": "replace kitchen w/ new fixtures, lighting, cabinets, finishes & replace 1 window in kind at back.",
      "source": "sf-building-permits"
    },
    {
      "number": "200712110264",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2007-12-11",
      "status_date": "2008-02-27",
      "estimated_cost": 10000,
      "revised_cost": 10000,
      "description": "replace 13 windows + 1 french door.",
      "source": "sf-building-permits"
    },
    {
      "number": "200711278999",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2007-11-27",
      "status_date": "2008-02-27",
      "estimated_cost": 5200,
      "revised_cost": 5200,
      "description": "repair fireplace, fire bricks, facade new chemney liner. all interior work. install new gas line to (e) wood burning fire place.",
      "source": "sf-building-permits"
    },
    {
      "number": "9320561",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1993-11-19",
      "status_date": "1993-12-01",
      "estimated_cost": 9440,
      "description": "reroofing",
      "source": "sf-building-permits"
    },
    {
      "number": "9123527",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1991-12-12",
      "status_date": "1992-04-30",
      "estimated_cost": 24000,
      "revised_cost": 0,
      "description": "sheetrock, new cabinets & counter tops",
      "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=COLLINGWOOD&street_type=ST&address_number=284",
      "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=2697012&$order=closed_roll_year%20DESC&$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=2697&lot=012",
      "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=2697012",
      "retrieved": "2026-07-28"
    },
    {
      "id": "eureka-valley-context-statement",
      "name": "Elaine B. Stiles, Eureka Valley Historic Context Statement, prepared for the Eureka Valley Neighborhood Association, adopted by the Historic Preservation Commission December 20, 2017",
      "query": "http://default.sfplanning.org/Preservation/EurekaValleyHCS/hp_eureka_valley_hcs_HCS_FINAL-122017.pdf",
      "listing": "https://sfplanning.org/project/sf-histories-historic-context-statements#completed",
      "label": "Eureka Valley Historic Context Statement, adopted 2017",
      "retrieved": "2026-08-14"
    }
  ],
  "historic_survey": {
    "survey": "Eureka Valley Historic Context Statement (2017)",
    "source": "eureka-valley-context-statement",
    "style": "Stick",
    "year_built_as_surveyed": "1886-7",
    "note": "Attributed to John A. Swenson, a Swedish-born carpenter and ship joiner and the earliest builder the statement identifies in Eureka Valley. The statement is reconnaissance-level and says inclusion in it is not a judgement on a building's worthiness for preservation. It records it as a cross-gable dwelling, and dates it 1886-7 where it lists Swenson's work and 1886 in its evaluation framework."
  },
  "building": {
    "builder": "John A. Swenson"
  }
}