{
  "address": "3661–3671 16th Street, San Francisco, CA 94114",
  "path": "/san-francisco/castro/16th-street/3661/",
  "apn": "3562028",
  "block": "3562",
  "lot": "028",
  "eas_baseid": "359766",
  "coordinates": {
    "lat": 37.763858,
    "lng": -122.434575
  },
  "address_range": "3661–3671",
  "street_numbers_on_parcel": [
    "3661",
    "3663",
    "3665",
    "3667",
    "3669",
    "3671"
  ],
  "parcel": {
    "year_built": 1905,
    "units": 24,
    "stories": 3,
    "rooms": 48,
    "bathrooms": 14,
    "lot_area_sqft": 6760,
    "building_area_sqft": 13040,
    "lot_depth_ft": 30,
    "use": "Multi-Family Residential",
    "property_class": "Apartment 15 Units or more",
    "construction_type_code": "D",
    "zoning": "RH-3",
    "supervisor_district": 8,
    "assessor_neighborhood": "Duboce Triangle",
    "analysis_neighborhood": "Castro/Upper Market",
    "property_location_raw": "3671 3661 16TH                ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 98622,
    "assessed_improvement_value": 218076
  },
  "historic_status": {
    "ceqa_status_code": "A",
    "ceqa_status_code_article_10_11": "A",
    "ceqa_status_label": "Historic resource",
    "reason": "California Register Historic District",
    "yearbuilt": "1905",
    "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": "201911076773",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2019-11-07",
      "status_date": "2019-12-09",
      "estimated_cost": 1500,
      "revised_cost": 1500,
      "description": "rear stairs replace w steps and post at top of stairs less than 50% repair in kind",
      "source": "sf-building-permits"
    },
    {
      "number": "201911046384",
      "type": "otc alterations permit",
      "status": "cancelled",
      "filed": "2019-11-04",
      "status_date": "2026-01-09",
      "estimated_cost": 1500,
      "revised_cost": 1500,
      "description": "rear stairs: replace 2 steps and post at top of stairs. less than 50%. repair in kind.",
      "source": "sf-building-permits"
    },
    {
      "number": "201909050805",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2019-09-05",
      "status_date": "2019-12-09",
      "estimated_cost": 2000,
      "revised_cost": 2000,
      "description": "comply with nov #201973031. (only items #6 & 7) remove existing 2 wood fixed utility ladders and replace with metal ladders. (not visible from st) repair landing of exit stairs.",
      "source": "sf-building-permits"
    },
    {
      "number": "M1020347",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2018-12-20",
      "status_date": "2018-12-20",
      "revised_cost": 1,
      "description": "street space only",
      "source": "sf-building-permits"
    },
    {
      "number": "201701187340",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2017-01-18",
      "status_date": "2019-03-12",
      "estimated_cost": 5000,
      "revised_cost": 9000,
      "description": "revision to pa #201608155046 - revise footing, shearwall for soft story retrofit.",
      "source": "sf-building-permits"
    },
    {
      "number": "M746967",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2016-12-15",
      "status_date": "2016-12-15",
      "revised_cost": 1,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "201608155046",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2016-08-15",
      "status_date": "2019-03-12",
      "estimated_cost": 50000,
      "revised_cost": 50000,
      "description": "soft story retrofit per sfbc chapter 34b,2012 iebc appendix a-4.",
      "source": "sf-building-permits"
    },
    {
      "number": "201205079926",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2012-05-07",
      "status_date": "2012-05-07",
      "estimated_cost": 20650,
      "revised_cost": 20650,
      "description": "reroofing",
      "source": "sf-building-permits"
    },
    {
      "number": "201107271143",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2011-07-27",
      "status_date": "2011-09-02",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "revision to 201103011154. revise detail for exterior foundation",
      "source": "sf-building-permits"
    },
    {
      "number": "201103011154",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "2011-03-01",
      "status_date": "2011-09-02",
      "estimated_cost": 60000,
      "revised_cost": 60000,
      "description": "voluntary foundation: upgrade.",
      "source": "sf-building-permits"
    },
    {
      "number": "200806204980",
      "type": "otc alterations permit",
      "status": "cancelled",
      "filed": "2008-06-20",
      "status_date": "2009-02-19",
      "estimated_cost": 80000,
      "revised_cost": 80000,
      "description": "voluntary partial foundation upgrade on both sides of building, rear side, rear interior foundation, and interior column footing.",
      "source": "sf-building-permits"
    },
    {
      "number": "9901583",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1999-01-26",
      "status_date": "1999-04-22",
      "estimated_cost": 3800,
      "description": "clear violation,repair dryrot at side stairway",
      "source": "sf-building-permits"
    },
    {
      "number": "8608340",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "1986-07-14",
      "status_date": "1987-05-05",
      "estimated_cost": 12000,
      "description": "repair dry rot",
      "source": "sf-building-permits"
    },
    {
      "number": "8405656",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1984-05-29",
      "status_date": "1985-12-31",
      "estimated_cost": 13848,
      "description": "to install domestic solar hot water to existing h.w. system",
      "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=3661",
      "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=3562028&$order=closed_roll_year%20DESC&$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=028",
      "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=3562028",
      "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(-122.43457501066062%2037.76385799999892)%27)",
      "retrieved": "2026-07-28"
    },
    {
      "id": "loc-sf-call-1913-12-06",
      "name": "The San Francisco Call, 6 December 1913, p. 4",
      "query": "https://chroniclingamerica.loc.gov/lccn/sn85066387/1913-12-06/ed-1/seq-4/",
      "retrieved": "2026-09-23"
    }
  ],
  "historical_record": [
    {
      "date": "1913-12-06",
      "kind": "event",
      "description": "Polito Hall: the Twentieth Century Club and the Forensic Club held a debate here on immigration.",
      "source": "loc-sf-call-1913-12-06",
      "site_as_recorded": "Polito Hall, 3665 Sixteenth Street"
    }
  ]
}