{
  "address": "3528–3530 23rd Street, San Francisco, CA 94110",
  "path": "/san-francisco/mission/23rd-street/3528/",
  "apn": "3634008",
  "block": "3634",
  "lot": "008",
  "eas_baseid": "363737",
  "coordinates": {
    "lat": 37.753861,
    "lng": -122.422263
  },
  "address_range": "3528–3530",
  "street_numbers_on_parcel": [
    "3528",
    "3530"
  ],
  "parcel": {
    "year_built": 1900,
    "units": 3,
    "stories": 2,
    "rooms": 12,
    "bathrooms": 5,
    "bedrooms": 4,
    "lot_area_sqft": 2848,
    "building_area_sqft": 3634,
    "use": "Multi-Family Residential",
    "property_class": "Flats & Duplex",
    "construction_type_code": "D",
    "zoning": "RM-1",
    "supervisor_district": 9,
    "assessor_neighborhood": "Noe Valley",
    "analysis_neighborhood": "Mission",
    "property_location_raw": "3530 3528 23RD                ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 1024930,
    "assessed_improvement_value": 892396,
    "last_sale_date": "2010-10-28"
  },
  "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": "201606281019",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2016-06-28",
      "status_date": "2016-06-28",
      "estimated_cost": 8800,
      "revised_cost": 8800,
      "description": "re-roofing",
      "source": "sf-building-permits"
    },
    {
      "number": "201506048109",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2015-06-04",
      "status_date": "2015-12-16",
      "estimated_cost": 90000,
      "revised_cost": 90000,
      "description": "reframe entry to living room with larger opening. replace all overhead lights, install smoke, co detectors. replace and relocate sub panel. remove tub and bath fixtures, add partition to create 2 baths. install 2 toilets, 2 sinkes, 2 tubs, 2 fans, kitchen cabs,appliances,doorway frm bdrm to new bath",
      "source": "sf-building-permits"
    },
    {
      "number": "201106278942",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2011-06-27",
      "status_date": "2011-09-13",
      "estimated_cost": 140000,
      "revised_cost": 140000,
      "description": "interior remodel including kitchen and bath remodel, new windows at e sunroom, 3 new skylights, add one full bath. maintaining existing size windows at rear north wall of sunroom, all work at 3rd floor unit only",
      "source": "sf-building-permits"
    },
    {
      "number": "201012287465",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2010-12-28",
      "status_date": "2011-01-25",
      "estimated_cost": 25600,
      "revised_cost": 25600,
      "description": "voluntary prescriptive seismic upgrade (improvement) seismic strengthening plan. shearwalls at first level, including shear clips, sheathing sill bolts, holdowns and grade beams.",
      "source": "sf-building-permits"
    },
    {
      "number": "200803318387",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2008-03-31",
      "status_date": "2008-06-19",
      "estimated_cost": 15000,
      "revised_cost": 15000,
      "description": "replace 20 windows. size for size. some visable from street with vinyl windows. u value less than 0.67. windows visable from street to be replace with marvin wood clad windows.",
      "source": "sf-building-permits"
    },
    {
      "number": "M37248",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2006-04-24",
      "status_date": "2006-04-24",
      "revised_cost": 0,
      "description": "sidewalk.",
      "source": "sf-building-permits"
    },
    {
      "number": "9715797",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "1997-08-18",
      "status_date": "1999-02-24",
      "estimated_cost": 6995,
      "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=23RD&street_type=ST&address_number=3528",
      "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=3634008&$order=closed_roll_year%20DESC&$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=3634&lot=008",
      "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=3634008",
      "retrieved": "2026-07-31"
    }
  ]
}