{
  "address": "3676 21st Street, San Francisco, CA 94114",
  "path": "/san-francisco/castro/21st-street/3676/",
  "apn": "3605021",
  "block": "3605",
  "lot": "021",
  "eas_baseid": "362092",
  "coordinates": {
    "lat": 37.75664,
    "lng": -122.429504
  },
  "parcel": {
    "year_built": 1939,
    "units": 1,
    "stories": 2,
    "rooms": 8,
    "bathrooms": 2,
    "lot_area_sqft": 2850,
    "building_area_sqft": 2949,
    "basement_area_sqft": 324,
    "lot_depth_ft": 14,
    "use": "Single Family Residential",
    "property_class": "Dwelling",
    "construction_type_code": "D",
    "zoning": "RH-1",
    "supervisor_district": 8,
    "assessor_neighborhood": "Eureka Valley/Dolores Heights",
    "analysis_neighborhood": "Castro/Upper Market",
    "property_location_raw": "0000 3676 21ST                ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 509895,
    "assessed_improvement_value": 934830,
    "last_sale_date": "1993-12-15"
  },
  "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": "1939",
    "in_article_10_11_historic_district": false,
    "source": "sf-planning"
  },
  "permits": [
    {
      "number": "202312112293",
      "type": "otc alterations permit",
      "status": "cancelled",
      "filed": "2023-12-11",
      "status_date": "2025-01-28",
      "estimated_cost": 90000,
      "revised_cost": 90000,
      "description": "proposed project is a 3 story elevator. elevator will extend from the garage (1st fl) to the 3rd floor. the elevator is to be located in the garage on the 1st floor and infill a portion of the existing lightwell on the 2nd and 3rd floors.",
      "source": "sf-building-permits"
    },
    {
      "number": "201402057829",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2014-02-05",
      "status_date": "2014-04-25",
      "estimated_cost": 4215,
      "revised_cost": 4215,
      "description": "replace 2 windows not visable from the street. no structural chanes max u factor .40",
      "source": "sf-building-permits"
    },
    {
      "number": "9507025",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1995-05-12",
      "status_date": "1995-07-20",
      "estimated_cost": 20000,
      "description": "kitchen remodel demolition non structural & framing",
      "source": "sf-building-permits"
    },
    {
      "number": "8922800",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1989-11-27",
      "status_date": "1990-08-01",
      "estimated_cost": 1,
      "description": "alteration to 8820006, detail @ floor only",
      "source": "sf-building-permits"
    },
    {
      "number": "8921166",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1989-11-06",
      "status_date": "1990-08-01",
      "estimated_cost": 1,
      "description": "alteration to permit to 8820006",
      "source": "sf-building-permits"
    },
    {
      "number": "8919352",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1989-10-16",
      "status_date": "1990-01-12",
      "estimated_cost": 300,
      "description": "alteration permit footing",
      "source": "sf-building-permits"
    },
    {
      "number": "8820006",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1988-12-19",
      "status_date": "1990-10-19",
      "estimated_cost": 98600,
      "description": "vertical addition",
      "source": "sf-building-permits"
    },
    {
      "number": "8507939",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1985-07-25",
      "status_date": "1985-12-05",
      "estimated_cost": 34112,
      "description": "termite repair",
      "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=3676",
      "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=3605021&$order=closed_roll_year%20DESC&$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=3605&lot=021",
      "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=3605021",
      "retrieved": "2026-07-28"
    },
    {
      "id": "digitalsf-54809",
      "name": "3676 21st Street, between 1946 and 1951. San Francisco Office of Assessor-Recorder Photographs (SFP 23), San Francisco History Center, San Francisco Public Library.",
      "query": "https://digitalsf.org/record/54809",
      "label": "Assessor-Recorder Photographs (SFP 23), San Francisco Public Library",
      "retrieved": "2026-08-15"
    }
  ],
  "historical_record": [
    {
      "date": "between 1946 and 1951",
      "kind": "photograph",
      "description": "The Office of the Assessor-Recorder photographed the property for tax assessment.",
      "source": "digitalsf-54809"
    }
  ]
}