{
 "address": "21 Saturn Street, San Francisco, CA 94114",
 "path": "/san-francisco/castro/saturn-street/21/",
 "apn": "2646049",
 "block": "2646",
 "lot": "049",
 "eas_baseid": "343182",
 "coordinates": {
  "lat": 37.762567,
  "lng": -122.441258
 },
 "parcel": {
  "year_built": 1890,
  "units": 2,
  "stories": 2,
  "rooms": 7,
  "bathrooms": 5,
  "bedrooms": 4,
  "lot_area_sqft": 2187.5,
  "building_area_sqft": 1674,
  "lot_depth_ft": 87.5,
  "use": "Multi-Family Residential",
  "property_class": "Flats & Duplex",
  "construction_type_code": "D",
  "zoning": "RH-2",
  "supervisor_district": 8,
  "assessor_neighborhood": "Corona Heights",
  "analysis_neighborhood": "Castro/Upper Market",
  "property_location_raw": "0023 0021 SATURN              ST0000"
 },
 "assessment": {
  "roll_year": 2025,
  "assessed_land_value": 159266,
  "assessed_improvement_value": 184754
 },
 "historic_status": {
  "ceqa_status_code": "B",
  "ceqa_status_code_article_10_11": "B",
  "ceqa_status_label": "Unevaluated",
  "reason": "No evaluation and 45 years or older",
  "yearbuilt": "1890",
  "in_article_10_11_historic_district": false,
  "source": "sf-planning"
 },
 "permits": [
  {
   "number": "201702219781",
   "type": "otc alterations permit",
   "status": "issued",
   "filed": "2017-02-21",
   "status_date": "2017-02-21",
   "estimated_cost": 12500,
   "revised_cost": 12500,
   "description": "reroofing",
   "source": "sf-building-permits"
  },
  {
   "number": "201503231659",
   "type": "otc alterations permit",
   "status": "complete",
   "filed": "2015-03-23",
   "status_date": "2016-03-21",
   "estimated_cost": 20000,
   "revised_cost": 20000,
   "description": "revision to pa# 2015 0106 5059 - to comply with cmplaint 201532181 the removal & rebuilding (replacement) of exterior stair case in rear of the structure.",
   "source": "sf-building-permits"
  },
  {
   "number": "201501065059",
   "type": "otc alterations permit",
   "status": "complete",
   "filed": "2015-01-06",
   "status_date": "2016-03-21",
   "estimated_cost": 20000,
   "revised_cost": 20000,
   "description": "to complaint w/ nov#201413501 itelm #2&3. replace windows, waterproof decks, weather proof doors in kind. replace & install handrails & guard rails. rear. not visible from street. removal of rear structure not to exceed 50%",
   "source": "sf-building-permits"
  },
  {
   "number": "8614602",
   "type": "additions alterations or repairs",
   "status": "complete",
   "filed": "1986-11-17",
   "status_date": "1987-09-08",
   "estimated_cost": 1000,
   "description": "change in bottom floor framing from platform",
   "source": "sf-building-permits"
  },
  {
   "number": "8600280",
   "type": "additions alterations or repairs",
   "status": "complete",
   "filed": "1986-01-09",
   "status_date": "1987-09-23",
   "estimated_cost": 55000,
   "description": "remodel existing basement into 2 br & bath",
   "source": "sf-building-permits"
  },
  {
   "number": "8514118",
   "type": "otc alterations permit",
   "status": "complete",
   "filed": "1985-12-13",
   "status_date": "1986-04-01",
   "estimated_cost": 1500,
   "description": "repair of rotten siding",
   "source": "sf-building-permits"
  }
 ],
 "sources": [
  {
   "id": "corbett-heights-neighbors",
   "name": "Corbett Heights Neighbors, \"August Neighborhood News\" (1 August 2024)",
   "query": "https://corbettneighbors.optin.com/newsletter/awlist6655060/MjQzNjczODk=/august-neighborhood-news.htm",
   "retrieved": "2026-09-03"
  },
  {
   "id": "sf-eas-addresses",
   "name": "SF Enterprise Addressing System via DataSF",
   "query": "https://data.sfgov.org/resource/3mea-di5p.json?street_name=SATURN&street_type=ST&address_number=21",
   "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=2646049&$order=closed_roll_year%20DESC&$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=2646&lot=049",
   "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=2646049",
   "retrieved": "2026-07-28"
  }
 ],
 "historical_record": [
  {
   "date": "1950s",
   "kind": "occupancy",
   "description": "The sculptor Ruth Asawa (1926-2013) lived here with her husband, the architect Albert Lanier, from the 1950s until 1962, and made her looped-wire hanging sculptures in a studio at the house - among them Untitled (S.14), now in the San Francisco Museum of Modern Art's collection.",
   "source": "corbett-heights-neighbors"
  }
 ]
}