{
  "address": "2820–2824 Folsom Street, San Francisco, CA 94110",
  "path": "/san-francisco/mission/folsom-street/2820/",
  "apn": "6520003",
  "block": "6520",
  "lot": "003",
  "eas_baseid": "401011",
  "coordinates": {
    "lat": 37.752085,
    "lng": -122.41439
  },
  "address_range": "2820–2824",
  "street_numbers_on_parcel": [
    "2820",
    "2822",
    "2824"
  ],
  "parcel": {
    "year_built": 1900,
    "units": 3,
    "stories": 2,
    "rooms": 6,
    "bathrooms": 3,
    "lot_area_sqft": 3062.5,
    "building_area_sqft": 4848,
    "lot_depth_ft": 22.5,
    "use": "Multi-Family Residential",
    "property_class": "Flats & Duplex",
    "construction_type_code": "D",
    "zoning": "RH-3",
    "supervisor_district": 9,
    "assessor_neighborhood": "Inner Mission",
    "analysis_neighborhood": "Mission",
    "property_location_raw": "2824 2820 FOLSOM              ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 1425286,
    "assessed_improvement_value": 844926,
    "last_sale_date": "2015-08-19"
  },
  "historic_status": {
    "ceqa_status_code": "C",
    "ceqa_status_code_article_10_11": "C",
    "ceqa_status_label": "Not a historical resource",
    "reason": "Historic Survey Result",
    "yearbuilt": "1900",
    "in_article_10_11_historic_district": false,
    "source": "sf-planning"
  },
  "permits": [
    {
      "number": "202211035863",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2022-11-03",
      "status_date": "2023-05-10",
      "estimated_cost": 3500,
      "revised_cost": 3500,
      "description": "repair existing rear deck in-kind less than 50%.",
      "source": "sf-building-permits"
    },
    {
      "number": "201910073760",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2019-10-07",
      "status_date": "2023-04-10",
      "estimated_cost": 300000,
      "revised_cost": 300000,
      "description": "interior renovations of 3 units, removal of interior walls to create open space for common areas electrical updates with new recessed lights, new outlets and hvac sytem, add 2 bathrooms each for two units 1 more for one unit",
      "source": "sf-building-permits"
    },
    {
      "number": "201705126443",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2017-05-12",
      "status_date": "2017-05-22",
      "estimated_cost": 5000,
      "revised_cost": 7500,
      "description": "revision to pa #201703020560 - replace dryort stud approx 25% 1st, 2nd & 3rd floor in kind. replace door & 1 window (4\"x3\") @ 1st floor. repalce 2nd floor 1 window (6\"x4\"), replace 3rd floor 2 window - 1 (4\"x4\") & 1 (6\"x4\"). windows replacement is not visible from the street.",
      "source": "sf-building-permits"
    },
    {
      "number": "M767347",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2017-03-09",
      "status_date": "2017-03-09",
      "revised_cost": 1,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "201703020560",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2017-03-02",
      "status_date": "2017-05-22",
      "estimated_cost": 5000,
      "revised_cost": 5000,
      "description": "repair existing damaged siding at the rear left side of the house. to comply with nov #201758123 & 201756682",
      "source": "sf-building-permits"
    },
    {
      "number": "200901069604",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2009-01-06",
      "status_date": "2009-01-23",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "to complete work and obtain final inspection for work approved under#200805142103.",
      "source": "sf-building-permits"
    },
    {
      "number": "200805142103",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "2008-05-14",
      "status_date": "2009-02-06",
      "estimated_cost": 1000,
      "revised_cost": 1000,
      "description": "comply with his nov# 200853256, dated 04/30/2008. repair back stairs which is swaying. less than 50%.",
      "source": "sf-building-permits"
    },
    {
      "number": "M100324",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2007-12-21",
      "status_date": "2007-12-21",
      "revised_cost": 1,
      "description": "street space and sidewalk",
      "source": "sf-building-permits"
    },
    {
      "number": "200004116967",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "2000-04-11",
      "status_date": "2001-03-08",
      "estimated_cost": 500,
      "revised_cost": 500,
      "description": "repair rear staircase",
      "source": "sf-building-permits"
    },
    {
      "number": "9024660",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1990-11-30",
      "status_date": "1991-06-25",
      "estimated_cost": 10000,
      "description": "reroofing",
      "source": "sf-building-permits"
    },
    {
      "number": "8921590",
      "type": "additions alterations or repairs",
      "status": "cancelled",
      "filed": "1989-11-10",
      "status_date": "1989-12-04",
      "estimated_cost": 2000,
      "description": "door closes, paint, remove lavatory, remove locks",
      "source": "sf-building-permits"
    },
    {
      "number": "8807137",
      "type": "additions alterations or repairs",
      "status": "cancelled",
      "filed": "1988-05-27",
      "status_date": "1992-10-20",
      "estimated_cost": 5,
      "revised_cost": 1750,
      "description": "bring bldg into code",
      "source": "sf-building-permits"
    },
    {
      "number": "8712712",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1987-09-03",
      "status_date": "1987-12-01",
      "estimated_cost": 4350,
      "description": "install vinyl riding to rear wall & aluminum.",
      "source": "sf-building-permits"
    },
    {
      "number": "8703055",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "1987-03-09",
      "status_date": "1987-09-28",
      "estimated_cost": 13450,
      "description": "termite repair",
      "source": "sf-building-permits"
    },
    {
      "number": "8208170",
      "type": "additions alterations or repairs",
      "status": "cancelled",
      "filed": "1982-10-06",
      "status_date": "1983-03-23",
      "estimated_cost": 3000,
      "source": "sf-building-permits"
    },
    {
      "number": "8207589",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1982-09-16",
      "status_date": "1983-03-04",
      "estimated_cost": 1000,
      "description": "bldg use: dwg.",
      "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=FOLSOM&street_type=ST&address_number=2820",
      "retrieved": "2026-07-31"
    },
    {
      "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=6520003&$order=closed_roll_year%20DESC&$limit=1",
      "retrieved": "2026-07-31"
    },
    {
      "id": "sf-building-permits",
      "name": "SF Dept. of Building Inspection via DataSF",
      "query": "https://data.sfgov.org/resource/i98e-djp9.json?block=6520&lot=003",
      "retrieved": "2026-07-31"
    },
    {
      "id": "sf-planning",
      "name": "SF Planning Department — Historic Resource Status by Parcel via DataSF",
      "query": "https://data.sfgov.org/resource/3tsw-4idn.json?apn=6520003",
      "retrieved": "2026-07-31"
    },
    {
      "id": "architecture-preservation-professionals-biographies",
      "name": "San Francisco Planning Department, Architecture, Planning, & Preservation Professionals: A Collection of Biographies (volume J–L), citywide historic context statement, adopted November 17, 2021, updated December 30, 2025",
      "query": "https://citypln-m-extnl.sfgov.org/SharedLinks.aspx?accesskey=804fff9eac94b0734e9f266d1cb0f0a250f209d0b21e9fd8088d42d0fe938ee1&VaultGUID=A4A7DACD-B0DC-4322-BD29-F6F07103C6E0",
      "listing": "https://sfplanning.org/project/sf-histories-historic-context-statements#completed",
      "label": "Architecture, Planning & Preservation Professionals: A Collection of Biographies, adopted 2021",
      "retrieved": "2026-09-01"
    }
  ],
  "building": {
    "builder": "William Linden"
  },
  "historical_record": [
    {
      "date": "1900",
      "kind": "construction",
      "description": "Built by William Linden, the Irish-born contractor who built houses and commercial buildings across the city between about 1892 and 1912 in styles from plain vernacular to elaborate Queen Anne, and who worked repeatedly for the San Francisco Board of Education.",
      "source": "architecture-preservation-professionals-biographies"
    }
  ]
}