{
  "address": "453–457 Potrero Avenue, San Francisco, CA 94110",
  "path": "/san-francisco/mission/potrero-avenue/453/",
  "apn": "3974020",
  "block": "3974",
  "lot": "020",
  "eas_baseid": "488444",
  "coordinates": {
    "lat": 37.763771,
    "lng": -122.407008
  },
  "address_range": "453–457",
  "street_numbers_on_parcel": [
    "453",
    "455",
    "457"
  ],
  "parcel": {
    "units": 4,
    "stories": 3,
    "rooms": 21,
    "bathrooms": 7,
    "bedrooms": 7,
    "lot_area_sqft": 2500,
    "building_area_sqft": 3865,
    "use": "Multi-Family Residential",
    "property_class": "Dwellings - Apt 4 units or less",
    "construction_type_code": "NA",
    "zoning": "M1",
    "supervisor_district": 10,
    "assessor_neighborhood": "Potrero Hill",
    "analysis_neighborhood": "Mission",
    "property_location_raw": "0457 0455 POTRERO             AV0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 2007910,
    "assessed_improvement_value": 860533,
    "last_sale_date": "2021-03-16"
  },
  "historic_status": {
    "ceqa_status_code": "C",
    "ceqa_status_code_article_10_11": "C",
    "ceqa_status_label": "Not a historical resource",
    "reason": "Historic Resource Evaluation Response",
    "yearbuilt": "2015",
    "in_article_10_11_historic_district": false,
    "source": "sf-planning"
  },
  "permits": [
    {
      "number": "M585287",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2015-05-08",
      "status_date": "2015-05-08",
      "revised_cost": 1,
      "description": "street space and sidewalk repair",
      "source": "sf-building-permits"
    },
    {
      "number": "201504244617",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2015-04-24",
      "status_date": "2015-04-24",
      "estimated_cost": 2500,
      "revised_cost": 2500,
      "description": "installation of a sprinkler monitoring system including: fire panel, pull station, heat detector and monitor modules. ref. appl. 201210242698 and sprinkler pa #2014.0515.5853. maher n/a.",
      "source": "sf-building-permits"
    },
    {
      "number": "M530408",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2014-10-23",
      "status_date": "2014-10-23",
      "revised_cost": 1,
      "description": "street space permit",
      "source": "sf-building-permits"
    },
    {
      "number": "M514267",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2014-08-29",
      "status_date": "2014-08-29",
      "revised_cost": 481,
      "description": "add 453 & 457a potrero ave to 3974/020.",
      "source": "sf-building-permits"
    },
    {
      "number": "201408204291",
      "type": "otc alterations permit",
      "status": "cancelled",
      "filed": "2014-08-20",
      "status_date": "2026-01-09",
      "estimated_cost": 10000,
      "revised_cost": 0,
      "description": "revision to appl #2012.1024.2698-s1: revise structural detail per inspection's request. n/a maher ordinance",
      "source": "sf-building-permits"
    },
    {
      "number": "M503088",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2014-07-08",
      "status_date": "2014-07-08",
      "revised_cost": 1,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "M493807",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2014-06-06",
      "status_date": "2014-06-09",
      "revised_cost": 1,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "201405155853",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "2014-05-15",
      "status_date": "2015-06-08",
      "estimated_cost": 20000,
      "revised_cost": 20000,
      "description": "install fire sprinkler system. bldg under app#2012-10-24-2698. n/a for the maher ordinance #155-13",
      "source": "sf-building-permits"
    },
    {
      "number": "201403170941",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2014-03-17",
      "status_date": "2015-06-08",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "temporary relocation of exit for tenants at 455 potrero avenue through 447 potrero avenue. na for ordinance #155-13.",
      "source": "sf-building-permits"
    },
    {
      "number": "201210242696",
      "type": "demolitions",
      "status": "complete",
      "filed": "2012-10-24",
      "status_date": "2015-06-08",
      "estimated_cost": 10000,
      "revised_cost": 1204,
      "description": "to demolish 1 story garage building.",
      "source": "sf-building-permits"
    },
    {
      "number": "201210242698",
      "type": "new construction wood frame",
      "status": "complete",
      "filed": "2012-10-24",
      "status_date": "2015-06-08",
      "estimated_cost": 170000,
      "revised_cost": 170000,
      "description": "to erect 2 stories, single family building.",
      "source": "sf-building-permits"
    },
    {
      "number": "201012227176",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2010-12-22",
      "status_date": "2011-03-07",
      "estimated_cost": 25000,
      "revised_cost": 55000,
      "description": "revision to pa #201008259535: foundation revision. remodel 1st & 2nd floor bedrooms, bathrooms & kitchen. add new bath @ ground floor & 2nd floor. add 3 furnaces and 3 water htrs; add shear walls; plywood strengthening @ ground floor.",
      "source": "sf-building-permits"
    },
    {
      "number": "201010062446",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2010-10-06",
      "status_date": "2011-03-07",
      "estimated_cost": 45000,
      "revised_cost": 45000,
      "description": "remodel 3 kitchens & 4 bathrooms",
      "source": "sf-building-permits"
    },
    {
      "number": "201008259535",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2010-08-25",
      "status_date": "2011-03-07",
      "estimated_cost": 18000,
      "revised_cost": 18000,
      "description": "work @ #455 only- to comply nov#200878802: foundation repair at rear. new slab on grade. new centerline beam at 1st and 2nd fl per plans",
      "source": "sf-building-permits"
    },
    {
      "number": "200810295407",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "2008-10-29",
      "status_date": "2009-08-13",
      "estimated_cost": 15000,
      "revised_cost": 15000,
      "description": "work @ one unit. repair dryrots in kitchen. bedrooms , bathroom, dining room.",
      "source": "sf-building-permits"
    },
    {
      "number": "200808290504",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2008-08-29",
      "status_date": "2008-08-29",
      "estimated_cost": 700,
      "revised_cost": 700,
      "description": "work on #457 potrero (2nd story only.) replace side sliding door and window. replace front sliding door with victorian appropriate traditional door. replace front window with wood sash double hung frame.",
      "source": "sf-building-permits"
    },
    {
      "number": "9609474",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1996-05-30",
      "status_date": "1996-06-06",
      "estimated_cost": 8000,
      "description": "reroof",
      "source": "sf-building-permits"
    },
    {
      "number": "8713210",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1987-09-14",
      "status_date": "1987-12-16",
      "estimated_cost": 1900,
      "description": "replace roof on garage. replace casing around garage door.",
      "source": "sf-building-permits"
    },
    {
      "number": "8710528",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1987-07-27",
      "status_date": "1987-10-15",
      "estimated_cost": 1,
      "description": "for final inspection",
      "source": "sf-building-permits"
    },
    {
      "number": "8509470",
      "type": "additions alterations or repairs",
      "status": "expired",
      "filed": "1985-08-29",
      "status_date": "1987-07-15",
      "estimated_cost": 10000,
      "description": "repair sheet rock, replace kitchen cabinets, insulate attic",
      "source": "sf-building-permits"
    },
    {
      "number": "8506957",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1985-07-03",
      "status_date": "1986-03-04",
      "estimated_cost": 425,
      "description": "replace all raised rail supporting post",
      "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=453",
      "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=3974020&$order=closed_roll_year%20DESC&$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=3974&lot=020",
      "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=3974020",
      "retrieved": "2026-07-31"
    },
    {
      "id": "showplace-square-survey",
      "name": "Kelley & VerPlanck Historical Resources Consulting and the San Francisco Planning Department, Showplace Square / Northeast Mission Historic Resource Survey, context statement dated October 22, 2009, survey data dated May 2011, adopted 2011",
      "query": "https://sfplanning.org/showplace-squarenortheast-mission-historic-resource-survey",
      "listing": "https://sfplanning.org/project/sf-histories-historic-context-statements#completed",
      "label": "Showplace Square / Northeast Mission Historic Resource Survey, adopted 2011",
      "retrieved": "2026-08-25"
    }
  ],
  "historical_record": [
    {
      "date": "1895",
      "kind": "construction",
      "description": "Built as an apartment building.",
      "source": "showplace-square-survey"
    }
  ],
  "historic_survey": {
    "survey": "Showplace Square / Northeast Mission Historic Resource Survey (2011)",
    "source": "showplace-square-survey",
    "proposed_status_code": "3CS",
    "style": "Italianate",
    "physical_integrity": "6 of 7 aspects retained, on the survey's scale",
    "year_built_as_surveyed": "1895",
    "address_as_surveyed": "455-457 Potrero",
    "note": "The survey rates the architecture 3 of 5.",
    "status_code_meaning": "California Historical Resource Status Codes: a 1 or 2 means listed or formally determined eligible, a 3 means the survey judged it eligible, a 5 means locally significant, a 6 that it was found ineligible, and a 7 that it was not evaluated."
  }
}