{
  "address": "3508 23rd Street, San Francisco, CA 94110",
  "path": "/san-francisco/mission/23rd-street/3508/",
  "apn": "3634003",
  "block": "3634",
  "lot": "003",
  "eas_baseid": "363732",
  "coordinates": {
    "lat": 37.753887,
    "lng": -122.421832
  },
  "parcel": {
    "year_built": 1890,
    "units": 3,
    "stories": 3,
    "rooms": 13,
    "bathrooms": 5,
    "bedrooms": 6,
    "lot_area_sqft": 2848,
    "building_area_sqft": 4022,
    "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": "3508A3508 23RD                ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 1297609,
    "assessed_improvement_value": 1492477,
    "last_sale_date": "2019-12-03"
  },
  "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": "1890",
    "in_article_10_11_historic_district": false,
    "source": "sf-planning"
  },
  "permits": [
    {
      "number": "202208039836",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2022-08-03",
      "status_date": "2022-08-24",
      "estimated_cost": 4000,
      "revised_cost": 4000,
      "description": "installation of new sprinkler monitoring system. ref sprinkler # 202107295361",
      "source": "sf-building-permits"
    },
    {
      "number": "202111303255",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2021-11-30",
      "status_date": "2022-11-18",
      "estimated_cost": 40000,
      "revised_cost": 40000,
      "description": "new roof deck of approximately 283 sq ft.",
      "source": "sf-building-permits"
    },
    {
      "number": "202107295361",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2021-07-29",
      "status_date": "2022-09-09",
      "estimated_cost": 19000,
      "revised_cost": 19000,
      "description": "install 21 new fire sprinlkers throughout g/f only per nfpa13, u/g per nfpa24. ref t.i. pa202008121663.0",
      "source": "sf-building-permits"
    },
    {
      "number": "202011189202",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "2020-11-18",
      "status_date": "2022-09-14",
      "estimated_cost": 175000,
      "revised_cost": 175000,
      "description": "revision to phase i pa #202002124293. remodel one unit on 2nd fl & one unit on 3rd fl. remove full bath from unit & add bath to one unit. full seismic upgrade.",
      "source": "sf-building-permits"
    },
    {
      "number": "202008121663",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "2020-08-12",
      "status_date": "2022-09-14",
      "estimated_cost": 180000,
      "revised_cost": 180000,
      "description": "add adu with (2) bedroom & (2) baths to 1st floor.",
      "source": "sf-building-permits"
    },
    {
      "number": "M1215347",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2020-07-06",
      "status_date": "2020-07-07",
      "revised_cost": 0,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "202002124293",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2020-02-12",
      "status_date": "2022-09-14",
      "estimated_cost": 80000,
      "revised_cost": 80000,
      "description": "partition 2 storage rooms at gr fl. replace foundation and increase ceiling height to 8'6\" behind garage area",
      "source": "sf-building-permits"
    },
    {
      "number": "200308142051",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "2003-08-14",
      "status_date": "2004-04-08",
      "estimated_cost": 8920,
      "revised_cost": 8920,
      "description": "reroofing",
      "source": "sf-building-permits"
    },
    {
      "number": "200007286383",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "2000-07-28",
      "status_date": "2001-04-16",
      "estimated_cost": 3000,
      "revised_cost": 3000,
      "description": "remove & replace rotted wood components of exterior rear staircase & landing",
      "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=3508",
      "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=3634003&$order=closed_roll_year%20DESC&$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=003",
      "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=3634003",
      "retrieved": "2026-07-31"
    }
  ]
}