{
  "address": "4071 20th Street, San Francisco, CA 94114",
  "path": "/san-francisco/castro/20th-street/4071/",
  "apn": "3604070",
  "block": "3604",
  "lot": "070",
  "eas_baseid": "362052",
  "coordinates": {
    "lat": 37.757622,
    "lng": -122.431708
  },
  "parcel": {
    "year_built": 1964,
    "units": 1,
    "stories": 2,
    "rooms": 6,
    "bathrooms": 1,
    "lot_area_sqft": 2848,
    "building_area_sqft": 1715,
    "use": "Single Family Residential",
    "property_class": "Dwelling",
    "construction_type_code": "D",
    "zoning": "RH-3",
    "supervisor_district": 8,
    "assessor_neighborhood": "Eureka Valley/Dolores Heights",
    "analysis_neighborhood": "Castro/Upper Market",
    "property_location_raw": "0000 4071 20TH                ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 341830,
    "assessed_improvement_value": 241831
  },
  "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": "1964",
    "in_article_10_11_historic_district": false,
    "source": "sf-planning"
  },
  "permits": [
    {
      "number": "202607074643",
      "type": "otc alterations permit",
      "status": "filed",
      "filed": "2026-07-07",
      "status_date": "2026-07-07",
      "estimated_cost": 15000,
      "revised_cost": 15000,
      "description": "revision to 202507090474, minor encroachment permit for new exterior wood stairs, new 6'0 max high wood trash enclosure, new s.o.6 hardscape",
      "source": "sf-building-permits"
    },
    {
      "number": "202507090474",
      "type": "additions alterations or repairs",
      "status": "issued",
      "filed": "2025-09-02",
      "status_date": "2026-02-18",
      "estimated_cost": 900000,
      "revised_cost": 900000,
      "description": "interior remodel including: (n) windows, (n) primary suite, (n) kitchen, (n) bathrooms, (n) cabinetry, (n) finishes. no changes to existing footprint. (e) courtyard deck to be structurally upgraded with new finishes.",
      "source": "sf-building-permits"
    },
    {
      "number": "200712211129",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2007-12-21",
      "status_date": "2007-12-21",
      "estimated_cost": 2500,
      "revised_cost": 2500,
      "description": "replace low wood bulkhead at sdiewalk by parking space. provide screen for recycling and parking.",
      "source": "sf-building-permits"
    },
    {
      "number": "200203010417",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "2002-03-01",
      "status_date": "2002-07-01",
      "estimated_cost": 700,
      "revised_cost": 700,
      "description": "repair stair thead and guand rail with handrail confoning to 98 cbc 1003.3.3.6. repair work not to e",
      "source": "sf-building-permits"
    },
    {
      "number": "9401027",
      "type": "additions alterations or repairs",
      "status": "expired",
      "filed": "1994-01-24",
      "status_date": "1994-06-07",
      "estimated_cost": 4101,
      "revised_cost": 4102,
      "description": "install cast iron fire place",
      "source": "sf-building-permits"
    },
    {
      "number": "8911212",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1989-06-26",
      "status_date": "1989-08-28",
      "estimated_cost": 6500,
      "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=4071",
      "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=3604070&$order=closed_roll_year%20DESC&$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=3604&lot=070",
      "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=3604070",
      "retrieved": "2026-07-28"
    }
  ]
}