{
  "address": "4430–4432 20th Street, San Francisco, CA 94114",
  "path": "/san-francisco/castro/20th-street/4430/",
  "apn": "2698017",
  "block": "2698",
  "lot": "017",
  "eas_baseid": "344504",
  "coordinates": {
    "lat": 37.757761,
    "lng": -122.437494
  },
  "address_range": "4430–4432",
  "street_numbers_on_parcel": [
    "4430",
    "4432"
  ],
  "parcel": {
    "year_built": 1898,
    "units": 2,
    "stories": 3,
    "rooms": 10,
    "bathrooms": 2,
    "lot_area_sqft": 2750,
    "building_area_sqft": 2479,
    "lot_depth_ft": 10,
    "use": "Multi-Family Residential",
    "property_class": "Flats & Duplex",
    "construction_type_code": "D",
    "zoning": "RH-2",
    "supervisor_district": 8,
    "assessor_neighborhood": "Eureka Valley/Dolores Heights",
    "analysis_neighborhood": "Castro/Upper Market",
    "property_location_raw": "4432 4430 20TH                ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 628469,
    "assessed_improvement_value": 414079,
    "last_sale_date": "1989-12-15"
  },
  "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": "1898",
    "in_article_10_11_historic_district": false,
    "source": "sf-planning"
  },
  "permits": [
    {
      "number": "201002035824",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2010-02-03",
      "status_date": "2010-05-05",
      "estimated_cost": 7000,
      "revised_cost": 7000,
      "description": "install new powder room in existing walk-in closet next to utility room on first floor, one unit",
      "source": "sf-building-permits"
    },
    {
      "number": "200202159342",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2002-02-15",
      "status_date": "2002-06-18",
      "estimated_cost": 2400,
      "revised_cost": 2400,
      "description": "additional work to app 200108287009-remove existing deteriorated deck framing/existing beam and ledg",
      "source": "sf-building-permits"
    },
    {
      "number": "200202048388",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2002-02-04",
      "status_date": "2002-06-18",
      "estimated_cost": 1000,
      "revised_cost": 1000,
      "description": "additional work to app 200108287009-remove",
      "source": "sf-building-permits"
    },
    {
      "number": "200108287009",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2001-08-28",
      "status_date": "2002-06-18",
      "estimated_cost": 15000,
      "revised_cost": 15000,
      "description": "reinforce exist deck/repair exist post/beams, rebuild stairs",
      "source": "sf-building-permits"
    },
    {
      "number": "200105159197",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2001-05-15",
      "status_date": "2001-11-08",
      "estimated_cost": 50000,
      "revised_cost": 50000,
      "description": "remove kitchen cabinets and upgrade elect wire & install new cabinets",
      "source": "sf-building-permits"
    },
    {
      "number": "9517394",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "1995-10-17",
      "status_date": "1996-03-12",
      "estimated_cost": 2000,
      "description": "install new pellet stove with direct vent from upper unit",
      "source": "sf-building-permits"
    },
    {
      "number": "8411939",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "1984-11-09",
      "status_date": "1989-09-24",
      "estimated_cost": 3500,
      "description": "repair damage at rear support pest.",
      "source": "sf-building-permits"
    },
    {
      "number": "8301382",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1983-02-17",
      "status_date": "1983-05-13",
      "estimated_cost": 15000,
      "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=20TH&street_type=ST&address_number=4430",
      "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=2698017&$order=closed_roll_year%20DESC&$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=2698&lot=017",
      "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=2698017",
      "retrieved": "2026-07-28"
    }
  ]
}