{
  "address": "3639–3645 16th Street, San Francisco, CA 94114",
  "path": "/san-francisco/castro/16th-street/3639/",
  "apn": "3562031",
  "block": "3562",
  "lot": "031",
  "eas_baseid": "359769",
  "coordinates": {
    "lat": 37.763862,
    "lng": -122.434249
  },
  "address_range": "3639–3645",
  "street_numbers_on_parcel": [
    "3639",
    "3641",
    "3643",
    "3645"
  ],
  "parcel": {
    "year_built": 1917,
    "units": 4,
    "stories": 2,
    "rooms": 22,
    "bathrooms": 4,
    "lot_area_sqft": 4865,
    "building_area_sqft": 4890,
    "use": "Multi-Family Residential",
    "property_class": "TI Apartment",
    "construction_type_code": "D",
    "zoning": "RH-3",
    "supervisor_district": 8,
    "assessor_neighborhood": "Duboce Triangle",
    "analysis_neighborhood": "Castro/Upper Market",
    "property_location_raw": "3645 3639 16TH                ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 2148721,
    "assessed_improvement_value": 1375901,
    "last_sale_date": "2007-12-05"
  },
  "historic_status": {
    "ceqa_status_code": "A",
    "ceqa_status_code_article_10_11": "A",
    "ceqa_status_label": "Historic resource",
    "reason": "California Register Historic District",
    "yearbuilt": "1917",
    "in_article_10_11_historic_district": false,
    "source": "sf-planning"
  },
  "historic_district": {
    "name": "Duboce Triangle Historic District Extension",
    "california_register_status": "Eligible (not listed)",
    "national_register_status": "Not listed",
    "article_10_11_status": "No local landmark protection",
    "local_landmark_protection": false,
    "source": "sf-historic-districts"
  },
  "permits": [
    {
      "number": "202607215361",
      "type": "otc alterations permit",
      "status": "filed",
      "filed": "2026-07-21",
      "status_date": "2026-07-21",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "revision to (e) pa#202509306398, revise the design to match the existing conditions. revise framing size and nailing spacing.",
      "source": "sf-building-permits"
    },
    {
      "number": "202510076855",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2025-10-07",
      "status_date": "2025-10-07",
      "estimated_cost": 35000,
      "revised_cost": 35000,
      "description": "recommencement and completion of work for pa 202306200418",
      "source": "sf-building-permits"
    },
    {
      "number": "202509306398",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2025-09-30",
      "status_date": "2025-10-07",
      "estimated_cost": 60000,
      "revised_cost": 60000,
      "description": "dry rot repair on the south (rear) and west elevations of the building. replace dry rotted studs, posts and beams in kind. revision to pa # 2023-0620-0418",
      "source": "sf-building-permits"
    },
    {
      "number": "202306200418",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2023-06-20",
      "status_date": "2023-06-20",
      "estimated_cost": 50000,
      "revised_cost": 50000,
      "description": "stucco repair- street visible- repair in kind- trim repair in kind, painting. approximately 200 square feet dispersed around exterior.",
      "source": "sf-building-permits"
    },
    {
      "number": "201803093326",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2018-03-09",
      "status_date": "2019-11-14",
      "estimated_cost": 40000,
      "revised_cost": 40000,
      "description": "to comply with physical inspection report #cc-7618.",
      "source": "sf-building-permits"
    },
    {
      "number": "201701177316",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2017-01-17",
      "status_date": "2017-08-30",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "to obtain final inspection for work approved under pa # 201502188659. all owrk is complete.",
      "source": "sf-building-permits"
    },
    {
      "number": "201502188659",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2015-02-18",
      "status_date": "2015-02-18",
      "estimated_cost": 5000,
      "revised_cost": 5000,
      "description": "repair rear stair railing less than 25% in-kind, stair not visible from street.",
      "source": "sf-building-permits"
    },
    {
      "number": "201309277922",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2013-09-27",
      "status_date": "2017-01-17",
      "estimated_cost": 5000,
      "revised_cost": 5000,
      "description": "convert storage room to laundry, add necessary plumbing/electrical, install washer/dryer/electric water heater, install dryer vents, to comply with nov 201324151. exhaust termination 3' from pl & openings into bldg.",
      "source": "sf-building-permits"
    },
    {
      "number": "M92846",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2007-10-26",
      "status_date": "2007-10-26",
      "revised_cost": 1,
      "description": "street space permit",
      "source": "sf-building-permits"
    },
    {
      "number": "200709172808",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2007-09-17",
      "status_date": "2007-11-21",
      "estimated_cost": 24000,
      "revised_cost": 24000,
      "description": "replace (e0 aluminum windows w/ wood windows. size for size. all windows approx. .67 u -factor max.",
      "source": "sf-building-permits"
    },
    {
      "number": "M86668",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2007-09-17",
      "status_date": "2007-09-17",
      "revised_cost": 0,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "200403037708",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2004-03-03",
      "status_date": "2004-03-03",
      "estimated_cost": 10000,
      "revised_cost": 10000,
      "description": "replace kchn cabinets and appliances in 2 kchn/7'x8'",
      "source": "sf-building-permits"
    },
    {
      "number": "9414726",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "1994-09-13",
      "status_date": "1995-04-04",
      "estimated_cost": 12850,
      "description": "reroof",
      "source": "sf-building-permits"
    },
    {
      "number": "8300592",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1983-01-20",
      "status_date": "1983-07-14",
      "estimated_cost": 10000,
      "description": "improvements to driveway and const. of retaining wall",
      "source": "sf-building-permits"
    },
    {
      "number": "8205793",
      "type": "additions alterations or repairs",
      "status": "expired",
      "filed": "1982-07-15",
      "status_date": "1983-03-08",
      "estimated_cost": 270,
      "description": "bldg use: apt",
      "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=16TH&street_type=ST&address_number=3639",
      "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=3562031&$order=closed_roll_year%20DESC&$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=3562&lot=031",
      "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=3562031",
      "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(-122.43424874648188%2037.76386221647468)%27)",
      "retrieved": "2026-07-28"
    }
  ]
}