{
  "address": "4156–4158 20th Street, San Francisco, CA 94114",
  "path": "/san-francisco/castro/20th-street/4156/",
  "apn": "3602054",
  "block": "3602",
  "lot": "054",
  "eas_baseid": "361879",
  "coordinates": {
    "lat": 37.75794,
    "lng": -122.433843
  },
  "address_range": "4156–4158",
  "street_numbers_on_parcel": [
    "4156",
    "4158"
  ],
  "parcel": {
    "year_built": 1900,
    "units": 4,
    "stories": 2,
    "rooms": 12,
    "bathrooms": 4,
    "lot_area_sqft": 2060,
    "building_area_sqft": 2750,
    "use": "Multi-Family Residential",
    "property_class": "Apartment 4 units or less",
    "construction_type_code": "D",
    "zoning": "RH-2",
    "supervisor_district": 8,
    "assessor_neighborhood": "Eureka Valley/Dolores Heights",
    "analysis_neighborhood": "Castro/Upper Market",
    "property_location_raw": "4158 4156 20TH                ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 902026,
    "assessed_improvement_value": 159181,
    "last_sale_date": "2023-06-08"
  },
  "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": "1900",
    "in_article_10_11_historic_district": false,
    "source": "sf-planning"
  },
  "permits": [
    {
      "number": "202511250458",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2025-11-25",
      "status_date": "2026-01-29",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "to obtain final inspection for work approved under pa# 202405101871 and pa# 202404119800. all work is complete.",
      "source": "sf-building-permits"
    },
    {
      "number": "202511059010",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2025-11-05",
      "status_date": "2025-11-05",
      "estimated_cost": 35000,
      "revised_cost": 64000,
      "description": "one unit: kitchen and bathroom remodel, no structual change, in kind, like for like replacement.",
      "source": "sf-building-permits"
    },
    {
      "number": "202405101871",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2024-05-10",
      "status_date": "2024-07-01",
      "estimated_cost": 20000,
      "revised_cost": 30000,
      "description": "replace partial deteriorated foundation for approx 15 ln ft along the west side. reinforce (e) footing for approx 35 ln ft along east side.",
      "source": "sf-building-permits"
    },
    {
      "number": "202404119800",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2024-04-11",
      "status_date": "2024-04-11",
      "estimated_cost": 20000,
      "revised_cost": 20000,
      "description": "replace back and side on the rear windows. replace the siding on the back and rear sides. approx 1200 sq. ft. 16 windows.",
      "source": "sf-building-permits"
    },
    {
      "number": "202309116288",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2023-09-11",
      "status_date": "2026-01-29",
      "estimated_cost": 40000,
      "revised_cost": 109000,
      "description": "one unit: convert storage to office space at basement. 4158b: new interior stair from first floor to basement. remove chimney. remodel downstair bath. one unit: remove chimney and provide electric fire place.",
      "source": "sf-building-permits"
    },
    {
      "number": "202306230782",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2023-06-23",
      "status_date": "2023-06-23",
      "estimated_cost": 35000,
      "revised_cost": 45000,
      "description": "(1) kitchen and (1) bathroom remodeling in kind. no structural work. no floor layout changes. no wall layout changes.",
      "source": "sf-building-permits"
    },
    {
      "number": "200408312964",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2004-08-31",
      "status_date": "2004-09-22",
      "estimated_cost": 1000,
      "revised_cost": 1000,
      "description": "dryrot repair on stairway of building. rear of building, less than 50% of stair",
      "source": "sf-building-permits"
    },
    {
      "number": "8816396",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1988-10-24",
      "status_date": "1988-12-05",
      "estimated_cost": 3700,
      "description": "re - roofing",
      "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=4156",
      "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=3602054&$order=closed_roll_year%20DESC&$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=3602&lot=054",
      "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=3602054",
      "retrieved": "2026-07-28"
    }
  ]
}