{
  "address": "3545–3547 20th Street, San Francisco, CA 94110",
  "path": "/san-francisco/mission/20th-street/3545/",
  "apn": "3609082",
  "block": "3609",
  "lot": "082",
  "eas_baseid": "362427",
  "coordinates": {
    "lat": 37.758368,
    "lng": -122.420053
  },
  "address_range": "3545–3547",
  "street_numbers_on_parcel": [
    "3545",
    "3547"
  ],
  "parcel": {
    "year_built": 1900,
    "units": 1,
    "stories": 3,
    "rooms": 11,
    "bathrooms": 2,
    "bedrooms": 5,
    "lot_area_sqft": 1870,
    "building_area_sqft": 3432,
    "lot_depth_ft": 85,
    "use": "Single Family Residential",
    "property_class": "Dwelling",
    "construction_type_code": "D",
    "zoning": "NC-1",
    "supervisor_district": 9,
    "assessor_neighborhood": "Inner Mission",
    "analysis_neighborhood": "Mission",
    "property_location_raw": "3547 3545 20TH                ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 229657,
    "assessed_improvement_value": 334933,
    "last_sale_date": "1987-10-06"
  },
  "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": "201411101128",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2014-11-10",
      "status_date": "2016-05-12",
      "estimated_cost": 4000,
      "revised_cost": 4000,
      "description": "repair shower, new shower pan, new shower valve, install ceiling fan. no walls moved, removed or added, all layouts unchanged.",
      "source": "sf-building-permits"
    },
    {
      "number": "201404163356",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2014-04-16",
      "status_date": "2014-05-14",
      "estimated_cost": 550,
      "revised_cost": 850,
      "description": "repair/maintenance work. correct complaint #201449151 his. service existing fire escape ladder, pulloy lubrication and replace wire cable and clamps. replace rusted machine bolt.n/a for the maher ordinance #155-13",
      "source": "sf-building-permits"
    },
    {
      "number": "M479812",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2014-04-15",
      "status_date": "2014-04-15",
      "revised_cost": 1,
      "description": "street space permit",
      "source": "sf-building-permits"
    },
    {
      "number": "201403211449",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2014-03-21",
      "status_date": "2014-06-23",
      "estimated_cost": 300,
      "revised_cost": 1000,
      "description": "comply w/complaint #201397311- revision to pa #2013.0725.2815: to remvoe wall w/o permit at (e) lightwell & bring back to orig conidtion. replace 2-windows @ lightwell in-kind @ kitchen & stairs area. dryrot repair @ corner by front door no more than 50 sf. compliance w/ordinance #155-13 not require",
      "source": "sf-building-permits"
    },
    {
      "number": "201307252815",
      "type": "otc alterations permit",
      "status": "reinstated",
      "filed": "2013-07-25",
      "status_date": "2014-03-25",
      "estimated_cost": 5000,
      "revised_cost": 7000,
      "description": "project comprises of remove work done without permit: remove extg shed storage at rear yard build illegally. add 36\" h. parapet at west light well. remove any vent located less than 3' away from property line. comply with nov# 201397311. dry rot repair at front approx. 50 sq.ft.",
      "source": "sf-building-permits"
    },
    {
      "number": "200706012819",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2007-06-01",
      "status_date": "2007-06-18",
      "estimated_cost": 1000,
      "revised_cost": 1000,
      "description": "legalize nov #200683271. revert extg use to former use. remove illegal kitchen on the 3rd floor",
      "source": "sf-building-permits"
    },
    {
      "number": "200703075671",
      "type": "additions alterations or repairs",
      "status": "cancelled",
      "filed": "2007-03-07",
      "status_date": "2011-10-31",
      "estimated_cost": 58000,
      "description": "legalize illegal uni9t & comply nov 200683271 at 3rd floor. convert s.f.r. with commercial space to 2-units res. with commercial spaces & rear extension.",
      "source": "sf-building-permits"
    },
    {
      "number": "200201146899",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2002-01-14",
      "status_date": "2002-01-14",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "renew:200010122837 for final inspection only, no work under this permit",
      "source": "sf-building-permits"
    },
    {
      "number": "200110120610",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2001-10-12",
      "status_date": "2002-01-16",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "renew 9722379 for final inspection.",
      "source": "sf-building-permits"
    },
    {
      "number": "200010122837",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "2000-10-12",
      "status_date": "2002-01-14",
      "estimated_cost": 19500,
      "revised_cost": 19500,
      "description": "3rd fl repalce door, trim, counter top, relocate 210 outlet, replace hood replace vanity, tile",
      "source": "sf-building-permits"
    },
    {
      "number": "9722379",
      "type": "additions alterations or repairs",
      "status": "expired",
      "filed": "1997-11-05",
      "status_date": "1999-03-03",
      "estimated_cost": 21500,
      "description": "fire repair-minor framing at roof,new kitchen(3547)",
      "source": "sf-building-permits"
    },
    {
      "number": "8715066",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1987-10-20",
      "status_date": "1988-07-26",
      "estimated_cost": 1000,
      "description": "fabricate and install awning",
      "source": "sf-building-permits"
    },
    {
      "number": "8708091",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1987-06-11",
      "status_date": "1987-07-13",
      "estimated_cost": 13100,
      "description": "horizontal extension",
      "source": "sf-building-permits"
    },
    {
      "number": "8609277",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1986-07-31",
      "status_date": "1987-07-13",
      "estimated_cost": 7500,
      "description": "horizontal extension, legalize existing rear addition",
      "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=3545",
      "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=3609082&$order=closed_roll_year%20DESC&$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=3609&lot=082",
      "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=3609082",
      "retrieved": "2026-07-31"
    }
  ]
}