{
  "address": "500–560 Potrero Avenue, San Francisco, CA 94110",
  "path": "/san-francisco/mission/potrero-avenue/500/",
  "apn": "4014001",
  "block": "4014",
  "lot": "001",
  "eas_baseid": "467966",
  "coordinates": {
    "lat": 37.762746,
    "lng": -122.407455
  },
  "address_range": "500–560",
  "street_numbers_on_parcel": [
    "500",
    "510",
    "520",
    "530",
    "540",
    "550",
    "560"
  ],
  "also_addressed": [
    "2445 MARIPOSA ST",
    "2447 MARIPOSA ST"
  ],
  "parcel": {
    "year_built": 1983,
    "units": 64,
    "lot_area_sqft": 52500,
    "use": "Multi-Family Residential",
    "property_class": "Apartment 15 Units or more",
    "construction_type_code": "D",
    "zoning": "M1",
    "supervisor_district": 9,
    "assessor_neighborhood": "Inner Mission",
    "analysis_neighborhood": "Mission",
    "property_location_raw": "0560 0500 POTRERO             AV0000"
  },
  "assessment": {
    "roll_year": 2025,
    "last_sale_date": "2020-05-08"
  },
  "historic_status": {
    "ceqa_status_code": "C",
    "ceqa_status_code_article_10_11": "C",
    "ceqa_status_label": "Not a historical resource",
    "reason": "Not 45 years or older",
    "yearbuilt": "1983",
    "in_article_10_11_historic_district": false,
    "source": "sf-planning"
  },
  "permits": [
    {
      "number": "202303103445",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2023-03-10",
      "status_date": "2023-12-18",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "rev to pa# 2022-1201-7486: add 2 heat detectors on drawings in grages 1 & 2 relays. add 1 power supply delete 6 strobe delete 57 lf",
      "source": "sf-building-permits"
    },
    {
      "number": "202212017486",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "2022-12-01",
      "status_date": "2023-05-15",
      "estimated_cost": 179748,
      "revised_cost": 179748,
      "description": "replace existing fire alarm with new system. to meet 1103.7.6.1 replace existing for power supplies with new communication. smoke detectors. re-use pull stations.",
      "source": "sf-building-permits"
    },
    {
      "number": "202202027149",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2022-02-02",
      "status_date": "2023-06-12",
      "estimated_cost": 5500000,
      "revised_cost": 5500000,
      "description": "voluntary structural retrofit within existing garages, waterproofing repair at deck areas above garages. no changes to occupancy or use.",
      "source": "sf-building-permits"
    },
    {
      "number": "M1173887",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2019-12-10",
      "status_date": "2019-12-10",
      "revised_cost": 1,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "M1143547",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2019-09-26",
      "status_date": "2019-09-26",
      "revised_cost": 1,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "201908128480",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2019-08-12",
      "status_date": "2019-12-02",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "revision to pa 201901281364: administrative permit to include unit #'s (e) exterior walls at 109, 209, 309 in work scope to repair damages from dry=rot. the damaged framing and finish materials will be replace in kind; cost of construction included in original pa 201901281364.",
      "source": "sf-building-permits"
    },
    {
      "number": "201905090210",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2019-05-09",
      "status_date": "2020-03-09",
      "estimated_cost": 200000,
      "revised_cost": 200000,
      "description": "six exterior bridges ( bridges 1 to bridge 6 ) and adjacent exterior decks to be repaired w/ \"replace in-kind\" approach. 2nd flr exterior deck at stair 7 to be repaired w/ \"replace in-kind\" approach.",
      "source": "sf-building-permits"
    },
    {
      "number": "201901281364",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2019-01-28",
      "status_date": "2019-12-02",
      "estimated_cost": 30000,
      "revised_cost": 30000,
      "description": "repair dry rot damages in kind (e)exterior walls around fire escape balcat nine units original finish and framing with new weather resistant barrier and flashing and guardrail anchors to wall with improved details. work not visible from street.",
      "source": "sf-building-permits"
    },
    {
      "number": "201810233844",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2018-10-23",
      "status_date": "2021-04-01",
      "estimated_cost": 40000,
      "revised_cost": 40000,
      "description": "replace fire alarm",
      "source": "sf-building-permits"
    },
    {
      "number": "M416687",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2013-08-13",
      "status_date": "2013-08-13",
      "revised_cost": 1,
      "description": "street space & sidewalk repair",
      "source": "sf-building-permits"
    },
    {
      "number": "200611066975",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2006-11-06",
      "status_date": "2007-03-07",
      "estimated_cost": 1716,
      "revised_cost": 1716,
      "description": "weather 39 apt units (1 3/4\" x 36\" x 80\" metal doors and jambs) install weatherstriping on all 39 exterior doors isntall 39 1 3/4\" u-door shoe w/rain drip cap install 39 aluminum saddle threshold equipped w/floor sealed gasket",
      "source": "sf-building-permits"
    },
    {
      "number": "200611066984",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2006-11-06",
      "status_date": "2007-03-07",
      "estimated_cost": 1056,
      "revised_cost": 1056,
      "description": "install weather striping on all 24 exterior doors/install 39 1 3/4\" u-door shoe w/rain drip cap. install 39 aluminum saddel threshold equipped with floor sealed gasket.",
      "source": "sf-building-permits"
    },
    {
      "number": "200507127464",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2005-07-12",
      "status_date": "2005-08-24",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "renewal for final 200311059484 200408131582",
      "source": "sf-building-permits"
    },
    {
      "number": "M31529",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2005-03-10",
      "status_date": "2005-03-10",
      "revised_cost": 0,
      "description": "street space permit",
      "source": "sf-building-permits"
    },
    {
      "number": "M29176",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2004-09-10",
      "status_date": "2004-09-10",
      "revised_cost": 0,
      "description": "streetspace",
      "source": "sf-building-permits"
    },
    {
      "number": "M29155",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2004-09-09",
      "status_date": "2004-09-09",
      "revised_cost": 0,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "200408131582",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2004-08-13",
      "status_date": "2005-07-18",
      "estimated_cost": 4000,
      "revised_cost": 4000,
      "description": "revision to permit 200311059480, create 1 hour ceiling assembly within attic to separate bedroom fr",
      "source": "sf-building-permits"
    },
    {
      "number": "200404272396",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "2004-04-27",
      "status_date": "2005-07-18",
      "estimated_cost": 35231,
      "revised_cost": 170000,
      "description": "install new fire alarm panel to replace existing",
      "source": "sf-building-permits"
    },
    {
      "number": "M26889",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2004-03-26",
      "status_date": "2004-03-26",
      "revised_cost": 0,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "200311059469",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "2003-11-05",
      "status_date": "2005-10-17",
      "estimated_cost": 970000,
      "revised_cost": 970000,
      "description": "renovate (e) kitchens & baths, remodel 12 dwelling units, replace windows & roofing, new landscaping",
      "source": "sf-building-permits"
    },
    {
      "number": "200311059480",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "2003-11-05",
      "status_date": "2005-10-17",
      "estimated_cost": 1120000,
      "revised_cost": 1120000,
      "description": "renovate (e) kitchens & baths, remodel 4 units, replace windows & roofing, convert portion of an (e)",
      "source": "sf-building-permits"
    },
    {
      "number": "200311059484",
      "type": "additions alterations or repairs",
      "status": "issued",
      "filed": "2003-11-05",
      "status_date": "2004-02-17",
      "estimated_cost": 15000,
      "revised_cost": 15000,
      "description": "remodel (e) toilet facility for acccessibility, replace door to laundry, and modify walkway to",
      "source": "sf-building-permits"
    },
    {
      "number": "9909375",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1999-05-12",
      "status_date": "2000-02-03",
      "estimated_cost": 140000,
      "description": "to renew permit appl-9716528, value of remaining on job",
      "source": "sf-building-permits"
    },
    {
      "number": "9824179",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1998-11-23",
      "status_date": "2000-02-03",
      "estimated_cost": 850,
      "description": "replace in kind one stringer of wooden stairs",
      "source": "sf-building-permits"
    },
    {
      "number": "9716528",
      "type": "additions alterations or repairs",
      "status": "expired",
      "filed": "1997-08-26",
      "status_date": "1999-05-25",
      "estimated_cost": 140000,
      "description": "repair & repl of (e) exterior wood framed stairs/walkway",
      "source": "sf-building-permits"
    },
    {
      "number": "9500062",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1995-01-04",
      "status_date": "1995-01-20",
      "estimated_cost": 2000,
      "description": "motor vehicle damage repair,re-stucco,jamb stud replacement",
      "source": "sf-building-permits"
    },
    {
      "number": "9020402",
      "type": "additions alterations or repairs",
      "status": "expired",
      "filed": "1990-10-05",
      "status_date": "1991-05-26",
      "estimated_cost": 10500,
      "description": "enlarge office space by condense laundry rm to smaller area",
      "source": "sf-building-permits"
    },
    {
      "number": "8801783",
      "type": "additions alterations or repairs",
      "status": "cancelled",
      "filed": "1988-02-16",
      "status_date": "1991-07-02",
      "estimated_cost": 12000,
      "description": "installation of partitions walls to create storage room",
      "source": "sf-building-permits"
    },
    {
      "number": "8607234",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1986-06-19",
      "status_date": "1986-09-29",
      "estimated_cost": 25000,
      "description": "vertical extension, solar system on roof",
      "source": "sf-building-permits"
    },
    {
      "number": "8307470",
      "type": "additions alterations or repairs",
      "status": "expired",
      "filed": "1983-08-02",
      "status_date": "1984-09-27",
      "estimated_cost": 100000,
      "description": "addition of entrance bridges from sidewalk to 2nd floor",
      "source": "sf-building-permits"
    },
    {
      "number": "8109693",
      "type": "new construction wood frame",
      "status": "complete",
      "filed": "1981-11-12",
      "status_date": "1986-02-10",
      "estimated_cost": 1804900,
      "description": "bldg use: apt",
      "source": "sf-building-permits"
    },
    {
      "number": "8109694",
      "type": "new construction wood frame",
      "status": "expired",
      "filed": "1981-11-12",
      "status_date": "1983-03-03",
      "estimated_cost": 2117700,
      "description": "bldg use: apt",
      "source": "sf-building-permits"
    },
    {
      "number": "8109695",
      "type": "new construction wood frame",
      "status": "expired",
      "filed": "1981-11-12",
      "status_date": "1993-06-14",
      "estimated_cost": 19200,
      "description": "bldg use: off/laundry",
      "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=POTRERO&street_type=AVE&address_number=500",
      "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=4014001&$order=closed_roll_year%20DESC&$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=4014&lot=001",
      "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=4014001",
      "retrieved": "2026-07-31"
    },
    {
      "id": "sf-planning-commission-minutes-1979-08-02",
      "name": "San Francisco City Planning Commission, minutes of the meeting of 2 August 1979",
      "label": "San Francisco City Planning Commission minutes, San Francisco Public Library (Internet Archive)",
      "query": "https://archive.org/details/38minutesofsanfran1979san/page/n219/mode/1up",
      "retrieved": "2026-10-20"
    },
    {
      "id": "sf-planning-commission-minutes-2003-10-23",
      "name": "San Francisco City Planning Commission, minutes of the meeting of 23 October 2003",
      "label": "San Francisco City Planning Commission minutes, San Francisco Public Library (Internet Archive)",
      "query": "https://archive.org/details/54minutesofsanfran2003san/page/n271/mode/1up",
      "retrieved": "2026-11-04"
    }
  ],
  "historical_record": [
    {
      "date": "1979-08-02",
      "kind": "occupancy",
      "description": "In August 1979 the 52,500-square-foot site, zoned for light industry, was vacant.",
      "source": "sf-planning-commission-minutes-1979-08-02"
    },
    {
      "date": "1979-08-02",
      "kind": "planning decision",
      "description": "The City Planning Commission unanimously authorized the Mission Housing Development Corporation's planned unit development of 65 units of subsidised family housing on the vacant 52,500-square-foot industrial site, with no general advertising signs (Resolution 8339).",
      "source": "sf-planning-commission-minutes-1979-08-02"
    },
    {
      "date": "2003-10-23",
      "kind": "planning decision",
      "description": "The City Planning Commission approved with conditions as amended the modification of previous conditions of approval to allow the reduction of up to eight required off-street parking spaces for a 1,264-square-foot community room at an existing 63-unit planned unit development.",
      "source": "sf-planning-commission-minutes-2003-10-23"
    },
    {
      "date": "2003-10-23",
      "kind": "occupancy",
      "description": "An existing 63-unit planned unit development stood at the property.",
      "source": "sf-planning-commission-minutes-2003-10-23"
    }
  ]
}