{
  "address": "3601–3623 23rd Street, San Francisco, CA 94110",
  "path": "/san-francisco/mission/23rd-street/3601/",
  "apn": "3647001",
  "block": "3647",
  "lot": "001",
  "eas_baseid": "364257",
  "coordinates": {
    "lat": 37.753338,
    "lng": -122.423329
  },
  "address_range": "3601–3623",
  "street_numbers_on_parcel": [
    "3601",
    "3603",
    "3605",
    "3607",
    "3609",
    "3611",
    "3613",
    "3615",
    "3617",
    "3619",
    "3621",
    "3623"
  ],
  "parcel": {
    "year_built": 1905,
    "units": 12,
    "stories": 3,
    "rooms": 68,
    "bathrooms": 12,
    "bedrooms": 26,
    "lot_area_sqft": 9683,
    "building_area_sqft": 20400,
    "use": "Multi-Family Residential",
    "property_class": "Apartment 5 to 14 Units",
    "construction_type_code": "D",
    "zoning": "RH-3",
    "supervisor_district": 8,
    "assessor_neighborhood": "Noe Valley",
    "analysis_neighborhood": "Mission",
    "property_location_raw": "3623 3601 23RD                ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 3565657,
    "assessed_improvement_value": 1528138,
    "last_sale_date": "2022-03-01"
  },
  "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": "1905",
    "in_article_10_11_historic_district": false,
    "source": "sf-planning"
  },
  "permits": [
    {
      "number": "202204132117",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2022-04-13",
      "status_date": "2023-04-03",
      "estimated_cost": 42000,
      "revised_cost": 42000,
      "description": "voluntary installation of a new manual fire alarm system and to comply with sffc section 1103.7.6.1",
      "source": "sf-building-permits"
    },
    {
      "number": "202204122082",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2022-04-12",
      "status_date": "2022-10-19",
      "estimated_cost": 15000,
      "revised_cost": 20000,
      "description": "one unit: enlarge bath rooms",
      "source": "sf-building-permits"
    },
    {
      "number": "202203029027",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2022-03-02",
      "status_date": "2022-10-19",
      "estimated_cost": 38000,
      "revised_cost": 38000,
      "description": "remodel one existing one kitchen and one existing bathroom repaint entire unit. no structural work",
      "source": "sf-building-permits"
    },
    {
      "number": "201912058704",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2019-12-05",
      "status_date": "2022-09-21",
      "estimated_cost": 100000,
      "revised_cost": 100000,
      "description": "seismic retrofit of soft story comply with sfebc 4d mandatory seismic retrofit per 2019 cebc appendix a4",
      "source": "sf-building-permits"
    },
    {
      "number": "M145384",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2008-12-16",
      "status_date": "2008-12-16",
      "revised_cost": 1,
      "description": "street space only.",
      "source": "sf-building-permits"
    },
    {
      "number": "200303079123",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2003-03-07",
      "status_date": "2003-05-23",
      "estimated_cost": 5000,
      "revised_cost": 5000,
      "description": "remove old plastering & dry rot.replace dryrott & plastering w/ 5/8\" type x gyp om ;ogjtwell in midd",
      "source": "sf-building-permits"
    },
    {
      "number": "200211141361",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2002-11-14",
      "status_date": "2003-05-27",
      "estimated_cost": 13000,
      "revised_cost": 13000,
      "description": "reroofing",
      "source": "sf-building-permits"
    },
    {
      "number": "200211010626",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2002-11-01",
      "status_date": "2002-11-01",
      "estimated_cost": 600,
      "revised_cost": 600,
      "description": "repair floor joist if necessary and subfloor, new lino repair work nov 200119808",
      "source": "sf-building-permits"
    },
    {
      "number": "200103023348",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2001-03-02",
      "status_date": "2001-07-24",
      "estimated_cost": 20100,
      "revised_cost": 20100,
      "description": "dryrot damaged rear stars repair",
      "source": "sf-building-permits"
    },
    {
      "number": "8109140",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1981-10-20",
      "status_date": "1983-03-04",
      "estimated_cost": 500,
      "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=3601",
      "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=3647001&$order=closed_roll_year%20DESC&$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=3647&lot=001",
      "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=3647001",
      "retrieved": "2026-07-31"
    },
    {
      "id": "loc-sf-call-1905-01-04",
      "name": "The San Francisco Call, 4 January 1905, p. 10 — “Builders' Contracts”",
      "query": "https://chroniclingamerica.loc.gov/lccn/sn85066387/1905-01-04/ed-1/seq-10/",
      "retrieved": "2026-08-05"
    }
  ],
  "historical_record": [
    {
      "date": "1905-01-04",
      "kind": "building contract",
      "description": "Building contract for two three-storey frame buildings of six flats each. Contractor William Tegeler.",
      "cost": 32850,
      "site_as_recorded": "SW corner of Twenty-third and Guerrero streets",
      "source": "loc-sf-call-1905-01-04",
      "lot_as_recorded": "90 by 105 feet 6 inches"
    }
  ],
  "unknowns": [
    "The architect is named in the contract record but is illegible in the scan."
  ]
}