{
  "address": "850–852 York Street, San Francisco, CA 94110",
  "path": "/san-francisco/mission/york-street/850/",
  "apn": "4087010",
  "block": "4087",
  "lot": "010",
  "eas_baseid": "368354",
  "coordinates": {
    "lat": 37.758424,
    "lng": -122.409002
  },
  "address_range": "850–852",
  "street_numbers_on_parcel": [
    "850",
    "852"
  ],
  "parcel": {
    "year_built": 1900,
    "units": 2,
    "stories": 2,
    "rooms": 10,
    "bathrooms": 2,
    "lot_area_sqft": 2495,
    "building_area_sqft": 2900,
    "use": "Multi-Family Residential",
    "property_class": "Flats & Duplex",
    "construction_type_code": "D",
    "zoning": "RH-2",
    "supervisor_district": 9,
    "assessor_neighborhood": "Inner Mission",
    "analysis_neighborhood": "Mission",
    "property_location_raw": "0852 0850 YORK                ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 720970,
    "assessed_improvement_value": 308985,
    "last_sale_date": "2011-12-16"
  },
  "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": "201803052838",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2018-03-05",
      "status_date": "2018-12-19",
      "estimated_cost": 4500,
      "revised_cost": 4500,
      "description": "replacement of 5 rear existing doors, no change in location or size",
      "source": "sf-building-permits"
    },
    {
      "number": "201711133793",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2017-11-13",
      "status_date": "2018-11-16",
      "estimated_cost": 20000,
      "revised_cost": 20000,
      "description": "replace existing rear stairs in like kind. use existing foundation, anchor bolts & lcb-66, new stairs to comply with current code. reference pa #9023905. replace garage door only, hardward to remain as is.",
      "source": "sf-building-permits"
    },
    {
      "number": "M835509",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2017-09-26",
      "status_date": "2017-09-26",
      "revised_cost": 0,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "201602099196",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2016-02-09",
      "status_date": "2016-05-24",
      "estimated_cost": 1500,
      "revised_cost": 1500,
      "description": "bolt sole plate to foundation; install 12\" 5/8\" all thread & epoxy ; 3x3x0.222 or thicker washer. bolts at 16\" c/c; all to be hot dip galvanized.",
      "source": "sf-building-permits"
    },
    {
      "number": "201508073730",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2015-08-07",
      "status_date": "2015-08-12",
      "estimated_cost": 20180,
      "revised_cost": 20180,
      "description": "re-roofing",
      "source": "sf-building-permits"
    },
    {
      "number": "9023905",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1990-11-19",
      "status_date": "2017-11-10",
      "estimated_cost": 6000,
      "description": "horizontal addition",
      "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=YORK&street_type=ST&address_number=850",
      "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=4087010&$order=closed_roll_year%20DESC&$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=4087&lot=010",
      "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=4087010",
      "retrieved": "2026-07-31"
    }
  ]
}