{
  "address": "4085 20th Street, San Francisco, CA 94114",
  "path": "/san-francisco/castro/20th-street/4085/",
  "apn": "3604058",
  "block": "3604",
  "lot": "058",
  "eas_baseid": "362048",
  "coordinates": {
    "lat": 37.757612,
    "lng": -122.43188
  },
  "parcel": {
    "year_built": 1978,
    "units": 1,
    "stories": 3,
    "rooms": 8,
    "bathrooms": 4,
    "bedrooms": 3,
    "lot_area_sqft": 2850,
    "building_area_sqft": 3720,
    "lot_depth_ft": 14,
    "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 4085 20TH                ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 2621467,
    "assessed_improvement_value": 1747644,
    "last_sale_date": "2020-04-01"
  },
  "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": "1978",
    "in_article_10_11_historic_district": false,
    "source": "sf-planning"
  },
  "permits": [
    {
      "number": "M481647",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2014-04-21",
      "status_date": "2014-04-21",
      "revised_cost": 1,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "M440767",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2013-11-04",
      "status_date": "2013-11-04",
      "revised_cost": 1,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "201306189840",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2013-06-18",
      "status_date": "2014-09-24",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "to obtain final inspection for work approved under app#201010223585. all work is complete.",
      "source": "sf-building-permits"
    },
    {
      "number": "201306189841",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2013-06-18",
      "status_date": "2014-09-24",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "to obtain final inspection for work approved under pa #2011.03.01.1147. all work is complete.",
      "source": "sf-building-permits"
    },
    {
      "number": "201306189842",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2013-06-18",
      "status_date": "2014-09-24",
      "estimated_cost": 15000,
      "revised_cost": 15000,
      "description": "to complete work & to obtain final inspection for work approved under pa #2011.02.07.9753.",
      "source": "sf-building-permits"
    },
    {
      "number": "201306189843",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2013-06-18",
      "status_date": "2014-09-24",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "to obtain final inspection for work approved under pa #2010.11.19.5319. all work is complete.",
      "source": "sf-building-permits"
    },
    {
      "number": "201306189845",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2013-06-18",
      "status_date": "2014-09-24",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "to obtain final inspection for work approved under app#201008118541. all work is complete.",
      "source": "sf-building-permits"
    },
    {
      "number": "201306189846",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2013-06-18",
      "status_date": "2014-09-24",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "to obtain final inspection for work approved under app#201007227278. all work is complete.",
      "source": "sf-building-permits"
    },
    {
      "number": "M390667",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2013-05-02",
      "status_date": "2013-05-02",
      "revised_cost": 1,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "M356827",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2012-11-06",
      "status_date": "2012-11-06",
      "revised_cost": 1,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "M318207",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2012-05-01",
      "status_date": "2012-05-01",
      "revised_cost": 1,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "201111239478",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2011-11-23",
      "status_date": "2011-11-23",
      "estimated_cost": 8000,
      "revised_cost": 8000,
      "description": "reroofing",
      "source": "sf-building-permits"
    },
    {
      "number": "M247966",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2011-03-15",
      "status_date": "2011-03-15",
      "revised_cost": 1,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "201103011147",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2011-03-01",
      "status_date": "2011-03-01",
      "estimated_cost": 6000,
      "revised_cost": 6000,
      "description": "revision to appl #201011094595 - foundation @ front revised per plans.",
      "source": "sf-building-permits"
    },
    {
      "number": "201102079753",
      "type": "additions alterations or repairs",
      "status": "issued",
      "filed": "2011-02-07",
      "status_date": "2011-08-25",
      "estimated_cost": 19000,
      "revised_cost": 19000,
      "description": "horizontal addition to basement, 1st & 2nd floors. front addition to balcony on 1st floor and 2nd floor. ground floor enlarge deck and repair (e) stair.",
      "source": "sf-building-permits"
    },
    {
      "number": "201011195319",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2010-11-19",
      "status_date": "2010-12-31",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "revision to appl #201010223585: revision to max height of retaining wall @ basement, special inspections for shotcrete wall.",
      "source": "sf-building-permits"
    },
    {
      "number": "201011094595",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "2010-11-09",
      "status_date": "2014-09-24",
      "estimated_cost": 185000,
      "revised_cost": 185000,
      "description": "interior alterations with bearing & non-bearing walls relocated, see arch & structural drawings. new powder room on 1st floor, new bathrooom on bottom floor (basement), rebuild stair.",
      "source": "sf-building-permits"
    },
    {
      "number": "201010223585",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2010-10-22",
      "status_date": "2010-10-22",
      "estimated_cost": 25000,
      "revised_cost": 40000,
      "description": "structural upgrades to (e) floor framing. upgrades include plywood walls, new beams and footings",
      "source": "sf-building-permits"
    },
    {
      "number": "M221006",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2010-09-16",
      "status_date": "2010-09-16",
      "revised_cost": 1,
      "description": "street space permit",
      "source": "sf-building-permits"
    },
    {
      "number": "201008118541",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2010-08-11",
      "status_date": "2010-08-11",
      "estimated_cost": 3000,
      "revised_cost": 6000,
      "description": "all interior work. no structural work. replament of doors, cabinetry, finger wall, some sheetrock. kitchen remodel: repalce cabinets and counter top. repalce 20 sq. ft. gyp. bd. in kind.",
      "source": "sf-building-permits"
    },
    {
      "number": "201007227278",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2010-07-22",
      "status_date": "2010-07-22",
      "estimated_cost": 500,
      "revised_cost": 500,
      "description": "replace dry rot boards of deck, less than 50% in kind and garage plaster.",
      "source": "sf-building-permits"
    },
    {
      "number": "9621901",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "1996-11-12",
      "status_date": "1997-06-11",
      "estimated_cost": 3900,
      "description": "reroofing",
      "source": "sf-building-permits"
    },
    {
      "number": "8409930",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1984-09-14",
      "status_date": "1984-10-17",
      "estimated_cost": 1,
      "description": "revise section of foundation # 8406422",
      "source": "sf-building-permits"
    },
    {
      "number": "8406422",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1984-06-14",
      "status_date": "1985-03-27",
      "estimated_cost": 25000,
      "description": "construction of a two story plus entry level addition .",
      "source": "sf-building-permits"
    },
    {
      "number": "8310408",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "1983-10-17",
      "status_date": "1984-04-10",
      "estimated_cost": 3000,
      "description": "site imrovement including new stairs at front of building",
      "source": "sf-building-permits"
    },
    {
      "number": "8301014",
      "type": "additions alterations or repairs",
      "status": "expired",
      "filed": "1983-02-03",
      "status_date": "1983-10-06",
      "estimated_cost": 3000,
      "description": "site improvement including new stairs at front of bldg.",
      "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=4085",
      "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=3604058&$order=closed_roll_year%20DESC&$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=058",
      "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=3604058",
      "retrieved": "2026-07-28"
    }
  ]
}