{
  "address": "4225–4229 20th Street, San Francisco, CA 94114",
  "path": "/san-francisco/castro/20th-street/4225/",
  "apn": "2752031",
  "block": "2752",
  "lot": "031",
  "eas_baseid": "345565",
  "coordinates": {
    "lat": 37.757413,
    "lng": -122.435298
  },
  "address_range": "4225–4229",
  "street_numbers_on_parcel": [
    "4225",
    "4227",
    "4229"
  ],
  "parcel": {
    "year_built": 1900,
    "units": 4,
    "stories": 3,
    "rooms": 14,
    "bathrooms": 5,
    "bedrooms": 5,
    "lot_area_sqft": 2759.9,
    "building_area_sqft": 2857,
    "lot_depth_ft": 10,
    "use": "Multi-Family Residential",
    "property_class": "Apartment 4 units or less",
    "construction_type_code": "D",
    "zoning": "RH-3",
    "supervisor_district": 8,
    "assessor_neighborhood": "Eureka Valley/Dolores Heights",
    "analysis_neighborhood": "Castro/Upper Market",
    "property_location_raw": "4229 4225 20TH                ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 2076252,
    "assessed_improvement_value": 889822,
    "last_sale_date": "2021-07-07"
  },
  "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": "201606210490",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2016-06-21",
      "status_date": "2017-01-13",
      "estimated_cost": 13000,
      "revised_cost": 13000,
      "description": "re-roofing",
      "source": "sf-building-permits"
    },
    {
      "number": "201603212654",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2016-03-21",
      "status_date": "2017-01-20",
      "estimated_cost": 15000,
      "revised_cost": 15000,
      "description": "replace 7 windows on front facade. same openings. same window style. new windows will be marvin-clad ultimate wood-sash double-hung windows.",
      "source": "sf-building-permits"
    },
    {
      "number": "201602099120",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2016-02-09",
      "status_date": "2017-03-29",
      "estimated_cost": 80000,
      "revised_cost": 132000,
      "description": "interior remodel of 4229 20th st (top floor unit) to include (n) bathroom, remodel (e) bath & kitchen, (n) plumbing fixtures (n) led lighting throughout. (n) forced air heating system.",
      "source": "sf-building-permits"
    },
    {
      "number": "201512013895",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "2015-12-01",
      "status_date": "2017-03-29",
      "estimated_cost": 100000,
      "revised_cost": 100000,
      "description": "removal of (e) shed roof, (n) gable roof extension, replacement of (e) windows w/ dual pane retrofit, (n) windows @ south wing.",
      "source": "sf-building-permits"
    },
    {
      "number": "201102019408",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2011-02-01",
      "status_date": "2011-08-05",
      "estimated_cost": 4000,
      "revised_cost": 14000,
      "description": "voluntary partial retrofit of exterior retaining wall at property line.",
      "source": "sf-building-permits"
    },
    {
      "number": "200503177730",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2005-03-17",
      "status_date": "2005-03-21",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "renew app 200210219496 for final inspection",
      "source": "sf-building-permits"
    },
    {
      "number": "200412010396",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2004-12-01",
      "status_date": "2005-02-09",
      "estimated_cost": 1200,
      "revised_cost": 1200,
      "description": "repair rear stairs, deterviorated wood in rear deck, sheetrock at emergency egress to nov 200230753",
      "source": "sf-building-permits"
    },
    {
      "number": "200210219496",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2002-10-21",
      "status_date": "2002-10-21",
      "estimated_cost": 22500,
      "revised_cost": 22500,
      "description": "remove/replace (e) front stair w/same configuration in same location, upgrade (e) railing @ (e)roof",
      "source": "sf-building-permits"
    },
    {
      "number": "8920336",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1989-10-26",
      "status_date": "1989-11-15",
      "estimated_cost": 2500,
      "description": "reroofing",
      "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=4225",
      "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=2752031&$order=closed_roll_year%20DESC&$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=2752&lot=031",
      "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=2752031",
      "retrieved": "2026-07-28"
    }
  ]
}