{
  "address": "23–27 Collingwood Street, San Francisco, CA 94114",
  "address_range": "23–27",
  "path": "/san-francisco/castro/collingwood-street/23/",
  "hook": "A 1908 three-unit building on one parcel spanning three street numbers, its rear stair and porch rebuilt in 1994.",
  "apn": "2647028",
  "block": "2647",
  "lot": "028",
  "eas_baseid": "343213",
  "coordinates": {
    "lat": 37.76198,
    "lng": -122.43595
  },
  "parcel": {
    "year_built": 1908,
    "use": "Multi-Family Residential",
    "property_class": "Flats & Duplex",
    "units": 3,
    "stories": 3,
    "rooms": 18,
    "bathrooms": 4,
    "bedrooms": 9,
    "construction_type_code": "D",
    "lot_area_sqft": 2491,
    "building_area_sqft": 4145,
    "zoning": "RH-3",
    "supervisor_district": 8,
    "assessor_neighborhood": "Eureka Valley/Dolores Heights",
    "analysis_neighborhood": "Castro/Upper Market",
    "property_location_raw": "0027 0023 COLLINGWOOD ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 1206287,
    "assessed_improvement_value": 804192,
    "last_sale_date": "2021-06-21"
  },
  "historic_status": {
    "ceqa_status_code": "B",
    "ceqa_status_code_article_10_11": "B",
    "ceqa_status_label": "Unknown Historic Resource status",
    "reason": "No evaluation and 45 years or older",
    "in_article_10_11_historic_district": false,
    "source": "sf-planning"
  },
  "permits": [
    {
      "number": "200309104363",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2003-09-10",
      "completed": "2004-03-01",
      "estimated_cost": 45000,
      "revised_cost": 45000,
      "description": "replace all kitchen appliances/cabinets, replace all bathroom fix. alter bathroom wall to accomodate",
      "source": "sf-building-permits",
      "description_edited": "Kitchen appliances and cabinets replaced; bathroom fixtures replaced and a wall altered to accommodate them."
    },
    {
      "number": "9521451",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1995-12-22",
      "completed": "1996-04-23",
      "estimated_cost": 11000,
      "description": "one unit-paint,repl 4 lght fxtrs-renov bthrm",
      "source": "sf-building-permits",
      "description_edited": "One unit repainted, four light fixtures replaced, and the bathroom renovated."
    },
    {
      "number": "9408327",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1994-05-31",
      "completed": "1996-04-23",
      "estimated_cost": 60000,
      "revised_cost": 22000,
      "description": "rebuild rear stair and porch, add storage & laundry in basmt",
      "source": "sf-building-permits",
      "description_edited": "Rear stairs and porch rebuilt, with basement storage and laundry added."
    },
    {
      "number": "8505779",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1985-06-05",
      "completed": "1985-07-16",
      "estimated_cost": 1500,
      "description": "repair back stairs",
      "source": "sf-building-permits",
      "description_edited": "Back stairs repaired."
    }
  ],
  "permits_omitted": {
    "count": 1,
    "reason": "nominal-cost street-space permit ($0)",
    "numbers": [
      "M27910"
    ]
  },
  "narrative": {},
  "sources": [
    {
      "id": "sf-eas-addresses",
      "name": "SF Enterprise Addressing System via DataSF",
      "query": "https://data.sfgov.org/resource/3mea-di5p.json?street_name=COLLINGWOOD&street_type=ST&address_number=23",
      "retrieved": "2026-07-27"
    },
    {
      "id": "sf-assessor-roll",
      "name": "SF Office of the Assessor-Recorder via DataSF (2025 secured roll)",
      "query": "https://data.sfgov.org/resource/wv5m-vpq2.json?parcel_number=2647028&$order=closed_roll_year%20DESC&$limit=1",
      "retrieved": "2026-07-27"
    },
    {
      "id": "sf-building-permits",
      "name": "SF Dept. of Building Inspection via DataSF",
      "query": "https://data.sfgov.org/resource/i98e-djp9.json?block=2647&lot=028",
      "retrieved": "2026-07-27"
    },
    {
      "id": "sf-planning",
      "name": "SF Planning Department — Historic Resource Status by Parcel via DataSF",
      "query": "https://data.sfgov.org/resource/3tsw-4idn.json?apn=2647028",
      "retrieved": "2026-07-27"
    },
    {
      "id": "sf-historic-districts",
      "name": "SF Planning Department — Historic Districts via DataSF",
      "query": "https://data.sfgov.org/resource/63x5-g3m4.json?$where=intersects(the_geom,%20%27POINT(-122.43595020943991%2037.76198048774103)%27)",
      "retrieved": "2026-07-27"
    }
  ]
}