{
  "address": "3433–3437 20th Street, San Francisco, CA 94110",
  "path": "/san-francisco/mission/20th-street/3433/",
  "apn": "3610048",
  "block": "3610",
  "lot": "048",
  "eas_baseid": "362501",
  "coordinates": {
    "lat": 37.758496,
    "lng": -122.417581
  },
  "address_range": "3433–3437",
  "street_numbers_on_parcel": [
    "3433",
    "3435",
    "3437"
  ],
  "parcel": {
    "year_built": 1900,
    "units": 6,
    "stories": 3,
    "rooms": 21,
    "bathrooms": 6,
    "lot_area_sqft": 2979,
    "building_area_sqft": 5640,
    "use": "Multi-Family Residential",
    "property_class": "Apartment 5 to 14 Units",
    "construction_type_code": "D",
    "zoning": "RM-1",
    "supervisor_district": 9,
    "assessor_neighborhood": "Inner Mission",
    "analysis_neighborhood": "Mission",
    "property_location_raw": "3437 3433 20TH                ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 1030208,
    "assessed_improvement_value": 482904,
    "last_sale_date": "2008-12-05"
  },
  "historic_status": {
    "ceqa_status_code": "A",
    "ceqa_status_code_article_10_11": "A",
    "ceqa_status_label": "Historic resource",
    "reason": "Historic Survey Result",
    "yearbuilt": "1900",
    "in_article_10_11_historic_district": false,
    "source": "sf-planning"
  },
  "permits": [
    {
      "number": "201711063162",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2017-11-06",
      "status_date": "2019-09-05",
      "estimated_cost": 35000,
      "revised_cost": 35000,
      "description": "soft story retrofit per sfebc chapter 4d engineering criteria 2016 cebc appendix a-4",
      "source": "sf-building-permits"
    },
    {
      "number": "201410027907",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2014-10-02",
      "status_date": "2015-03-02",
      "estimated_cost": 2000,
      "revised_cost": 6000,
      "description": "to copmly with nov 201493422 repair damaged ceiling & walls in garage",
      "source": "sf-building-permits"
    },
    {
      "number": "201305207359",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2013-05-20",
      "status_date": "2013-08-29",
      "estimated_cost": 15000,
      "revised_cost": 35000,
      "description": "rnovate kitchen level 2, renovate baths level 1,2, & 3",
      "source": "sf-building-permits"
    },
    {
      "number": "201202033482",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2012-02-03",
      "status_date": "2012-11-30",
      "estimated_cost": 10000,
      "revised_cost": 20000,
      "description": "renovate bathroom & kitchen, minor upgrades to adjacent areas, level 3 rear unit, no struct work.",
      "source": "sf-building-permits"
    },
    {
      "number": "201005202880",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2010-05-20",
      "status_date": "2010-05-21",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "rev. to p.a. #201005031526 (e) foundation, attachment to bldg., roof drawing.",
      "source": "sf-building-permits"
    },
    {
      "number": "201005031526",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2010-05-03",
      "status_date": "2010-09-07",
      "estimated_cost": 12000,
      "revised_cost": 12000,
      "description": "re-build rear yard 2nd. means of egress stairs in kind.",
      "source": "sf-building-permits"
    },
    {
      "number": "201004230983",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2010-04-23",
      "status_date": "2010-07-12",
      "estimated_cost": 20000,
      "revised_cost": 20000,
      "description": "voluntary red brick urm foundation upgrade with anchor bolting and shear walling for seismic safety. along with post/beam footing ties. no exterior work",
      "source": "sf-building-permits"
    },
    {
      "number": "200811267362",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2008-11-26",
      "status_date": "2009-02-24",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "to obtain final inspection for work approved under pa#200306268145. all work has been completed.",
      "source": "sf-building-permits"
    },
    {
      "number": "200811267363",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2008-11-26",
      "status_date": "2009-02-24",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "to obtain final inspection for work approved under#200109269261. all work has been completed.",
      "source": "sf-building-permits"
    },
    {
      "number": "M26786",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2004-03-19",
      "status_date": "2004-03-19",
      "revised_cost": 0,
      "description": "sidewalk repair",
      "source": "sf-building-permits"
    },
    {
      "number": "200306268145",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "2003-06-26",
      "status_date": "2004-01-27",
      "estimated_cost": 3000,
      "revised_cost": 3000,
      "description": "work per complaint 200234555, repair rear stairs w/like kind; less than 30 percent replacement",
      "source": "sf-building-permits"
    },
    {
      "number": "200111294119",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2001-11-29",
      "status_date": "2001-12-18",
      "estimated_cost": 11950,
      "revised_cost": 11950,
      "description": "reroofing",
      "source": "sf-building-permits"
    },
    {
      "number": "200109269261",
      "type": "additions alterations or repairs",
      "status": "expired",
      "filed": "2001-09-26",
      "status_date": "2003-06-24",
      "estimated_cost": 50000,
      "revised_cost": 50000,
      "description": "repair damage caused by fire to one unit-20th replace kitchen cabinets, floor, wall coverings, rep",
      "source": "sf-building-permits"
    },
    {
      "number": "8715240",
      "type": "additions alterations or repairs",
      "status": "expired",
      "filed": "1987-10-23",
      "status_date": "1988-02-08",
      "estimated_cost": 4500,
      "description": "termite report 6-18490 item #2f only, repair bathrm",
      "source": "sf-building-permits"
    },
    {
      "number": "8206762",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1982-08-17",
      "status_date": "1983-03-04",
      "estimated_cost": 12000,
      "description": "bldg use: apts",
      "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=20TH&street_type=ST&address_number=3433",
      "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=3610048&$order=closed_roll_year%20DESC&$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=3610&lot=048",
      "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=3610048",
      "retrieved": "2026-07-31"
    }
  ]
}