{
  "address": "2255 Mariposa Street, San Francisco, CA 94110",
  "path": "/san-francisco/mission/mariposa-street/2255/",
  "apn": "4012028",
  "block": "4012",
  "lot": "028",
  "eas_baseid": "367290",
  "coordinates": {
    "lat": 37.763027,
    "lng": -122.40597
  },
  "parcel": {
    "year_built": 1911,
    "units": 2,
    "stories": 2,
    "rooms": 10,
    "bathrooms": 5,
    "bedrooms": 4,
    "lot_area_sqft": 12500,
    "building_area_sqft": 6645,
    "lot_depth_ft": 25,
    "use": "Multi-Family Residential",
    "property_class": "2 Dwellings on 1 Parcel 4 units or less",
    "construction_type_code": "NA",
    "zoning": "RH-2",
    "supervisor_district": 10,
    "assessor_neighborhood": "Potrero Hill",
    "analysis_neighborhood": "Mission",
    "property_location_raw": "0000 2255 MARIPOSA            ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 2868495,
    "assessed_improvement_value": 2068680,
    "last_sale_date": "2014-03-06"
  },
  "historic_status": {
    "ceqa_status_code": "B",
    "ceqa_status_code_article_10_11": "B",
    "ceqa_status_label": "Unevaluated",
    "reason": "No evaluation and 45 years or older",
    "yearbuilt": "1911",
    "in_article_10_11_historic_district": false,
    "source": "sf-planning"
  },
  "permits": [
    {
      "number": "201705166671",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2017-05-16",
      "status_date": "2017-12-18",
      "estimated_cost": 35000,
      "revised_cost": 95000,
      "description": "remodel (e) kitchen & add (n) bath on 1st floor. replace (e) deck & railing @ front of house. new window & sliding door at west elevation.",
      "source": "sf-building-permits"
    },
    {
      "number": "201605248207",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2016-05-24",
      "status_date": "2016-06-17",
      "estimated_cost": 7500,
      "revised_cost": 7500,
      "description": "reroofing, n/a ordiance#155-13",
      "source": "sf-building-permits"
    },
    {
      "number": "201108172601",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2011-08-17",
      "status_date": "2011-09-07",
      "estimated_cost": 9955,
      "revised_cost": 9955,
      "description": "reroofing",
      "source": "sf-building-permits"
    },
    {
      "number": "M86805",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2007-09-17",
      "status_date": "2007-09-17",
      "revised_cost": 0,
      "description": "street space & sidewalk",
      "source": "sf-building-permits"
    },
    {
      "number": "8902377",
      "type": "additions alterations or repairs",
      "status": "expired",
      "filed": "1989-02-14",
      "status_date": "1989-08-02",
      "estimated_cost": 1500,
      "description": "exist structure improvement only, steel bracing",
      "source": "sf-building-permits"
    },
    {
      "number": "8717853",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1987-12-18",
      "status_date": "1988-05-27",
      "estimated_cost": 1,
      "description": "legal occupancy as 3 dwelling units, re #8503046",
      "source": "sf-building-permits"
    },
    {
      "number": "8703386",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1987-03-16",
      "status_date": "1987-05-11",
      "estimated_cost": 5000,
      "description": "demolish & repair interior plaster",
      "source": "sf-building-permits"
    },
    {
      "number": "8613307",
      "type": "additions alterations or repairs",
      "status": "cancelled",
      "filed": "1986-10-23",
      "status_date": "1987-04-06",
      "estimated_cost": 80000,
      "description": "proposed alteration to 6 units apt at existing bldg",
      "source": "sf-building-permits"
    },
    {
      "number": "8607390",
      "type": "additions alterations or repairs",
      "status": "expired",
      "filed": "1986-06-23",
      "status_date": "1987-02-06",
      "estimated_cost": 6000,
      "description": "caretakens unit, remodel exist toilet, install new kitchen",
      "source": "sf-building-permits"
    },
    {
      "number": "8605692",
      "type": "additions alterations or repairs",
      "status": "expired",
      "filed": "1986-05-15",
      "status_date": "1986-09-30",
      "estimated_cost": 2000,
      "description": "repair stairs (wood)",
      "source": "sf-building-permits"
    },
    {
      "number": "8503046",
      "type": "additions alterations or repairs",
      "status": "issued",
      "filed": "1985-03-27",
      "status_date": "1987-04-20",
      "estimated_cost": 1200,
      "revised_cost": 120000,
      "description": "work includes installation of new bathroom on second floor",
      "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=2255",
      "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=4012028&$order=closed_roll_year%20DESC&$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=4012&lot=028",
      "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=4012028",
      "retrieved": "2026-07-31"
    }
  ]
}