{
  "address": "2850–2852 Folsom Street, San Francisco, CA 94110",
  "path": "/san-francisco/mission/folsom-street/2850/",
  "apn": "6520009",
  "block": "6520",
  "lot": "009",
  "eas_baseid": "401016",
  "coordinates": {
    "lat": 37.751674,
    "lng": -122.414351
  },
  "address_range": "2850–2852",
  "street_numbers_on_parcel": [
    "2850",
    "2852"
  ],
  "parcel": {
    "year_built": 1900,
    "units": 2,
    "stories": 2,
    "rooms": 11,
    "bathrooms": 2,
    "bedrooms": 5,
    "lot_area_sqft": 3062.5,
    "building_area_sqft": 2807,
    "basement_area_sqft": 1350,
    "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": "2852 2850 FOLSOM              ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 252817,
    "assessed_improvement_value": 220499
  },
  "historic_status": {
    "ceqa_status_code": "A",
    "ceqa_status_code_article_10_11": "A",
    "ceqa_status_label": "Historic resource",
    "reason": "California Register Historic District, Historic Survey Result",
    "yearbuilt": "1900",
    "in_article_10_11_historic_district": false,
    "source": "sf-planning"
  },
  "historic_district": {
    "name": "South Mission Avenues and Alleys Historic District",
    "california_register_status": "Eligible (not listed)",
    "national_register_status": "Not listed",
    "article_10_11_status": "No local landmark protection",
    "local_landmark_protection": false,
    "period_of_significance": "1885–1914",
    "source": "sf-historic-districts"
  },
  "permits": [
    {
      "number": "200902202487",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2009-02-20",
      "status_date": "2009-02-20",
      "estimated_cost": 2000,
      "revised_cost": 2000,
      "description": "2 wood windows, visable from street. no change in size, windows to be custom sash. u value .38-.52. replacing in kind.",
      "source": "sf-building-permits"
    },
    {
      "number": "200802114482",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2008-02-11",
      "status_date": "2008-02-11",
      "estimated_cost": 3675,
      "revised_cost": 3675,
      "description": "work only at #2850 folsom street - install 7 replacement windows: vinyl windows. not visable from street. all replace in kind. no change in size. bedroom windows to comply with 310.4 for fire rescue u-value .38-.52.",
      "source": "sf-building-permits"
    },
    {
      "number": "200412091003",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2004-12-09",
      "status_date": "2005-02-11",
      "estimated_cost": 18000,
      "revised_cost": 18000,
      "description": "replacement of existing exterior staricase due to dry rot",
      "source": "sf-building-permits"
    },
    {
      "number": "200403158602",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2004-03-15",
      "status_date": "2004-04-14",
      "estimated_cost": 17000,
      "revised_cost": 17000,
      "description": "installation of solar electric power system, 20 ea bp 3160b modules, 1 ea sma swr 250 ou-sbd/2500 wa",
      "source": "sf-building-permits"
    },
    {
      "number": "200402136368",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2004-02-13",
      "status_date": "2004-03-08",
      "estimated_cost": 8990,
      "revised_cost": 8990,
      "description": "reroofing",
      "source": "sf-building-permits"
    },
    {
      "number": "200007276306",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2000-07-27",
      "status_date": "2000-08-29",
      "estimated_cost": 6000,
      "revised_cost": 6000,
      "description": "re roofing",
      "source": "sf-building-permits"
    },
    {
      "number": "8908489",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1989-05-22",
      "status_date": "1989-10-06",
      "estimated_cost": 1,
      "description": "final insepction needed on plumbing & electrical",
      "source": "sf-building-permits"
    },
    {
      "number": "8900518",
      "type": "additions alterations or repairs",
      "status": "expired",
      "filed": "1989-01-12",
      "status_date": "1989-08-21",
      "estimated_cost": 500,
      "description": "complete work under appln. #8801041",
      "source": "sf-building-permits"
    },
    {
      "number": "8813105",
      "type": "additions alterations or repairs",
      "status": "expired",
      "filed": "1988-09-02",
      "status_date": "1989-05-02",
      "estimated_cost": 1500,
      "description": "add fire sprinkler system in basement only",
      "source": "sf-building-permits"
    },
    {
      "number": "8801041",
      "type": "additions alterations or repairs",
      "status": "expired",
      "filed": "1988-01-28",
      "status_date": "1989-01-12",
      "estimated_cost": 6000,
      "description": "complete shear walls @ bsmnt, complete work under #8602134",
      "source": "sf-building-permits"
    },
    {
      "number": "8602382",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1986-03-03",
      "status_date": "1986-09-12",
      "estimated_cost": 5000,
      "description": "repair mudsill & studs, south west corner of building",
      "source": "sf-building-permits"
    },
    {
      "number": "8602134",
      "type": "additions alterations or repairs",
      "status": "expired",
      "filed": "1986-02-25",
      "status_date": "1987-02-27",
      "estimated_cost": 40000,
      "description": "new stair & landing",
      "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=2850",
      "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=6520009&$order=closed_roll_year%20DESC&$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=009",
      "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=6520009",
      "retrieved": "2026-07-31"
    },
    {
      "id": "sf-historic-districts",
      "name": "SF Planning Department — Historic Districts via DataSF",
      "query": "https://data.sfgov.org/resource/63x5-g3m4.json?$where=intersects(the_geom,%20%27POINT(-122.41435111501211%2037.75167430457249)%27)",
      "retrieved": "2026-07-31"
    }
  ]
}