{
  "address": "2330–2332 Mariposa Street, San Francisco, CA 94110",
  "path": "/san-francisco/mission/mariposa-street/2330/",
  "apn": "3974016",
  "block": "3974",
  "lot": "016",
  "eas_baseid": "366850",
  "coordinates": {
    "lat": 37.763339,
    "lng": -122.407043
  },
  "address_range": "2330–2332",
  "street_numbers_on_parcel": [
    "2330",
    "2332"
  ],
  "also_addressed": [
    "491 POTRERO AVE"
  ],
  "parcel": {
    "year_built": 1940,
    "units": 3,
    "stories": 2,
    "rooms": 8,
    "bathrooms": 3,
    "lot_area_sqft": 2700,
    "building_area_sqft": 3010,
    "use": "Multi-Family Residential",
    "property_class": "Flat & Store 4 units or less",
    "construction_type_code": "D",
    "zoning": "M1",
    "supervisor_district": 10,
    "assessor_neighborhood": "Potrero Hill",
    "analysis_neighborhood": "Mission",
    "property_location_raw": "2332 2330 MARIPOSA            ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 354528,
    "assessed_improvement_value": 354528,
    "last_sale_date": "1998-09-10"
  },
  "historic_status": {
    "ceqa_status_code": "B",
    "ceqa_status_code_article_10_11": "B",
    "ceqa_status_label": "Unevaluated",
    "reason": "Historic Survey Result and 45 years or older",
    "yearbuilt": "1940",
    "in_article_10_11_historic_district": false,
    "source": "sf-planning"
  },
  "permits": [
    {
      "number": "202606012243",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2026-06-01",
      "status_date": "2026-06-03",
      "estimated_cost": 23000,
      "revised_cost": 23000,
      "description": "add (2) sheetrock with mass-loaded vinyl for soundproofing. replace (3) comp sink. add ac units.",
      "source": "sf-building-permits"
    },
    {
      "number": "M152444",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2009-02-20",
      "status_date": "2009-02-20",
      "revised_cost": 1,
      "description": "street space & sidewalk permit only.",
      "source": "sf-building-permits"
    },
    {
      "number": "200203252261",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "2002-03-25",
      "status_date": "2003-04-30",
      "estimated_cost": 6000,
      "revised_cost": 6000,
      "description": "reroofing",
      "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=MARIPOSA&street_type=ST&address_number=2330",
      "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=3974016&$order=closed_roll_year%20DESC&$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=016",
      "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=3974016",
      "retrieved": "2026-07-31"
    },
    {
      "id": "digitalsf-54800",
      "name": "491 Potrero Avenue, 1951. San Francisco Office of Assessor-Recorder Photographs (SFP 23), San Francisco History Center, San Francisco Public Library.",
      "query": "https://digitalsf.org/record/54800",
      "label": "Assessor-Recorder Photographs (SFP 23), San Francisco Public Library",
      "retrieved": "2026-08-15"
    },
    {
      "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": "1951-01-22",
      "kind": "photograph",
      "description": "The Office of the Assessor-Recorder photographed the property for tax assessment.",
      "source": "digitalsf-54800"
    }
  ],
  "unknowns": [
    "The archive records two different addresses for this photograph, “491 Potrero Avenue” and “491 Mariposa Avenue.”"
  ],
  "historic_survey": {
    "survey": "Showplace Square / Northeast Mission Historic Resource Survey (2011)",
    "source": "showplace-square-survey",
    "proposed_status_code": "6L",
    "style": "Mediterranean Revival",
    "physical_integrity": "6 of 7 aspects retained, on the survey's scale",
    "address_as_surveyed": "2330-2332 Mariposa",
    "note": "The survey rates the architecture 2 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."
  }
}