{
  "address": "4522 20th Street, San Francisco, CA 94114",
  "path": "/san-francisco/castro/20th-street/4522/",
  "apn": "2699022",
  "block": "2699",
  "lot": "022",
  "eas_baseid": "344550",
  "coordinates": {
    "lat": 37.757654,
    "lng": -122.438468
  },
  "parcel": {
    "year_built": 1898,
    "units": 1,
    "stories": 2,
    "rooms": 6,
    "bathrooms": 1,
    "lot_area_sqft": 1875,
    "building_area_sqft": 1650,
    "lot_depth_ft": 75,
    "use": "Single Family Residential",
    "property_class": "Dwelling",
    "construction_type_code": "D",
    "zoning": "RH-2",
    "supervisor_district": 8,
    "assessor_neighborhood": "Eureka Valley/Dolores Heights",
    "analysis_neighborhood": "Castro/Upper Market",
    "property_location_raw": "0000 4522 20TH                ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 1129065,
    "assessed_improvement_value": 752706,
    "last_sale_date": "2005-06-27"
  },
  "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": "201912048660",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2019-12-04",
      "status_date": "2020-03-05",
      "estimated_cost": 7400,
      "revised_cost": 8000,
      "description": "add 8\" concrete stem wall and footing behind existing front brick foundation. add new 4 ft long plywood panel and anchor bolts at exterior front garage wall. replace one interior crawl space footing.",
      "source": "sf-building-permits"
    },
    {
      "number": "M115833",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2008-04-09",
      "status_date": "2008-04-09",
      "revised_cost": 1,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "M114585",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2008-03-31",
      "status_date": "2008-03-31",
      "revised_cost": 1,
      "description": "street space permit.",
      "source": "sf-building-permits"
    },
    {
      "number": "200803076569",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2008-03-07",
      "status_date": "2008-07-11",
      "estimated_cost": 42000,
      "revised_cost": 42000,
      "description": "on 2nd floor: remodel existing kitchen. remodel existing closet into 1/2 bath. replacement of existing kitchen door and additoin of transom window above new finishes, new plumbing trim, elec outlets and lighting",
      "source": "sf-building-permits"
    },
    {
      "number": "200509011860",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2005-09-01",
      "status_date": "2005-09-26",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "to renew pa#2002/09/16/6576 for final insp. only",
      "source": "sf-building-permits"
    },
    {
      "number": "200508261384",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2005-08-26",
      "status_date": "2005-09-20",
      "estimated_cost": 2500,
      "revised_cost": 2500,
      "description": "voluntary strenghthening wall of garage walls, 60' by 6' 8\" with struct i rated plywood nailed with",
      "source": "sf-building-permits"
    },
    {
      "number": "200412060691",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2004-12-06",
      "status_date": "2004-12-15",
      "estimated_cost": 12680,
      "revised_cost": 12680,
      "description": "reroofing",
      "source": "sf-building-permits"
    },
    {
      "number": "200209166576",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2002-09-16",
      "status_date": "2002-09-16",
      "estimated_cost": 15000,
      "revised_cost": 15000,
      "description": "repl foundation at east property line",
      "source": "sf-building-permits"
    },
    {
      "number": "9313602",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1993-08-10",
      "status_date": "1993-12-07",
      "estimated_cost": 6267,
      "description": "repair basement wood floor/sub basement corner framing",
      "source": "sf-building-permits"
    },
    {
      "number": "8815064",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1988-10-03",
      "status_date": "1989-01-24",
      "estimated_cost": 20250,
      "description": "kitchen and bath remodel",
      "source": "sf-building-permits"
    },
    {
      "number": "8408844",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1984-08-14",
      "status_date": "1985-08-05",
      "estimated_cost": 9500,
      "description": "driveway",
      "source": "sf-building-permits"
    },
    {
      "number": "8408284",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1984-07-31",
      "status_date": "1985-01-16",
      "estimated_cost": 5000,
      "description": "remove damaged rear deck & stairs, rebuild with new beam",
      "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=4522",
      "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=2699022&$order=closed_roll_year%20DESC&$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=2699&lot=022",
      "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=2699022",
      "retrieved": "2026-07-28"
    }
  ]
}