{
 "address": "3415 21st Street, San Francisco, CA 94110",
 "path": "/san-francisco/mission/21st-street/3415/",
 "apn": "3618066",
 "block": "3618",
 "lot": "066",
 "eas_baseid": "362978",
 "coordinates": {
  "lat": 37.756569,
  "lng": -122.423818
 },
 "parcel": {
  "year_built": 1911,
  "units": 1,
  "stories": 2,
  "rooms": 6,
  "bathrooms": 1,
  "lot_area_sqft": 1904,
  "building_area_sqft": 2230,
  "lot_depth_ft": 68,
  "use": "Single Family Residential",
  "property_class": "Dwelling",
  "construction_type_code": "D",
  "zoning": "RM-2",
  "supervisor_district": 8,
  "assessor_neighborhood": "Eureka Valley/Dolores Heights",
  "analysis_neighborhood": "Mission",
  "property_location_raw": "0000 3415 21ST                ST0000"
 },
 "assessment": {
  "roll_year": 2025,
  "assessed_land_value": 783853,
  "assessed_improvement_value": 318235,
  "last_sale_date": "1998-07-17"
 },
 "historic_status": {
  "ceqa_status_code": "A",
  "ceqa_status_code_article_10_11": "A*",
  "ceqa_status_label": "Historic resource",
  "reason": "Article 10 Historic District, California Register Historic District",
  "yearbuilt": "1911",
  "in_article_10_11_historic_district": true,
  "source": "sf-planning"
 },
 "historic_district": {
  "name": "Liberty Hill Historic District",
  "california_register_status": "Eligible (not listed)",
  "national_register_status": "Not listed",
  "article_10_11_status": "Article 10 historic district",
  "local_landmark_protection": true,
  "period_of_significance": "1860s\u20131906",
  "source": "sf-historic-districts"
 },
 "permits": [
  {
   "number": "202408209072",
   "type": "otc alterations permit",
   "status": "issued",
   "filed": "2024-08-20",
   "status_date": "2024-08-20",
   "estimated_cost": 19800,
   "revised_cost": 19800,
   "description": "reroof",
   "source": "sf-building-permits"
  },
  {
   "number": "201310240110",
   "type": "otc alterations permit",
   "status": "issued",
   "filed": "2013-10-24",
   "status_date": "2013-10-24",
   "estimated_cost": 9000,
   "revised_cost": 9000,
   "description": "install new flexible ductwork in attic and crawl space. replace existing furnace with new",
   "source": "sf-building-permits"
  },
  {
   "number": "201205210922",
   "type": "additions alterations or repairs",
   "status": "complete",
   "filed": "2012-05-21",
   "status_date": "2015-08-25",
   "estimated_cost": 150000,
   "revised_cost": 150000,
   "description": "remove (e) fense & deck at rear of lot. create (n) curb cut & 1 off street parking space in rear setback. expand (e) laundry porch w/ roof deck by 46 sq ft. remodel interior.",
   "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=21ST&street_type=ST&address_number=3415",
   "retrieved": "2026-07-31"
  },
  {
   "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=3618066&$order=closed_roll_year%20DESC&$limit=1",
   "retrieved": "2026-07-31"
  },
  {
   "id": "sf-building-permits",
   "name": "SF Dept. of Building Inspection via DataSF",
   "query": "https://data.sfgov.org/resource/i98e-djp9.json?block=3618&lot=066",
   "retrieved": "2026-07-31"
  },
  {
   "id": "sf-planning",
   "name": "SF Planning Department \u2014 Historic Resource Status by Parcel via DataSF",
   "query": "https://data.sfgov.org/resource/3tsw-4idn.json?apn=3618066",
   "retrieved": "2026-07-31"
  },
  {
   "id": "sf-historic-districts",
   "name": "SF Planning Department \u2014 Historic Districts via DataSF",
   "query": "https://data.sfgov.org/resource/63x5-g3m4.json?$where=intersects(the_geom,%20%27POINT(-122.42381790611516%2037.756568719721706)%27)",
   "retrieved": "2026-07-31"
  },
  {
   "id": "sf-planning-commission-minutes-1971-06-10",
   "name": "San Francisco City Planning Commission, minutes of the meeting of 10 June 1971",
   "label": "San Francisco City Planning Commission minutes, San Francisco Public Library (Internet Archive)",
   "query": "https://archive.org/details/17minutesofsanfran1971sa/page/n272/mode/1up",
   "retrieved": "2026-10-10"
  }
 ],
 "historical_record": [
  {
   "date": "1971-06-10",
   "kind": "occupancy",
   "description": "A dwelling stood on the corner of 21st Street and Ames Alley; large service vehicles turning into the alley occasionally scraped its side.",
   "source": "sf-planning-commission-minutes-1971-06-10"
  }
 ]
}