{
  "address": "3305–3321 20th Street, San Francisco, CA 94110",
  "path": "/san-francisco/mission/20th-street/3305/",
  "apn": "3611001",
  "block": "3611",
  "lot": "001",
  "eas_baseid": "362508",
  "coordinates": {
    "lat": 37.758773,
    "lng": -122.415033
  },
  "address_range": "3305–3321",
  "street_numbers_on_parcel": [
    "3305",
    "3307",
    "3309",
    "3311",
    "3313",
    "3315",
    "3317",
    "3319",
    "3321"
  ],
  "also_addressed": [
    "2400 FOLSOM ST"
  ],
  "parcel": {
    "year_built": 1905,
    "units": 9,
    "stories": 3,
    "rooms": 29,
    "bathrooms": 14,
    "lot_area_sqft": 4287.5,
    "building_area_sqft": 10415,
    "lot_depth_ft": 22.5,
    "use": "Multi-Family Residential",
    "property_class": "TI Apartment",
    "construction_type_code": "D",
    "zoning": "NC-2",
    "supervisor_district": 9,
    "assessor_neighborhood": "Inner Mission",
    "analysis_neighborhood": "Mission",
    "property_location_raw": "3321 3305 20TH                ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 602731,
    "assessed_improvement_value": 1218922,
    "last_sale_date": "2000-07-12"
  },
  "historic_status": {
    "ceqa_status_code": "A",
    "ceqa_status_code_article_10_11": "A",
    "ceqa_status_label": "Historic resource",
    "reason": "Historic Survey Result",
    "yearbuilt": "1905",
    "in_article_10_11_historic_district": false,
    "source": "sf-planning"
  },
  "permits": [
    {
      "number": "202604149366",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2026-04-14",
      "status_date": "2026-04-14",
      "estimated_cost": 5700,
      "revised_cost": 5700,
      "description": "recommencement and completion of work approved under pa# 201905301947 & 201908128505.",
      "source": "sf-building-permits"
    },
    {
      "number": "202001222519",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2020-01-22",
      "status_date": "2020-04-30",
      "estimated_cost": 3500,
      "revised_cost": 3500,
      "description": "install ul-300 fire supression system",
      "source": "sf-building-permits"
    },
    {
      "number": "201908128505",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "2019-08-12",
      "status_date": "2026-03-06",
      "estimated_cost": 50000,
      "revised_cost": 57500,
      "description": "retrofit restaurant interior only, new built in counter, lighting, commercial kitchen appliances, plumbing, fixtures, new wall, floor finishes, accessible. restroom signage/life safety signage.",
      "source": "sf-building-permits"
    },
    {
      "number": "201905301947",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "2019-05-30",
      "status_date": "2026-03-06",
      "estimated_cost": 25000,
      "revised_cost": 25000,
      "description": "install type i hood 12\" a\\on type i 4' connect to (e) grease flue. install exhaust blower and make up air",
      "source": "sf-building-permits"
    },
    {
      "number": "201809281753",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2018-09-28",
      "status_date": "2018-09-28",
      "estimated_cost": 250,
      "revised_cost": 250,
      "description": "revision pa#201806283279 to include description of work as removal of all finishes in unit. installation of platform for furnace & minor widening of entry to kitchen.",
      "source": "sf-building-permits"
    },
    {
      "number": "M982387",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2018-09-20",
      "status_date": "2018-09-20",
      "revised_cost": 1,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "M961767",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2018-08-08",
      "status_date": "2018-08-08",
      "revised_cost": 1,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "201806283279",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2018-06-28",
      "status_date": "2018-09-28",
      "estimated_cost": 15000,
      "revised_cost": 15000,
      "description": "revision to pa#201801299801 to increase valuation per field inspectors' request.",
      "source": "sf-building-permits"
    },
    {
      "number": "201801299801",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2018-01-29",
      "status_date": "2018-09-28",
      "estimated_cost": 40000,
      "revised_cost": 40000,
      "description": "remodeling of kitchen and basthroom including rpelcing cabinets, contertops and plumbing fixtures. no walls moved, removed, added or infilled. all (e) layouts to remain.",
      "source": "sf-building-permits"
    },
    {
      "number": "201704103561",
      "type": "wall or painted sign",
      "status": "issued",
      "filed": "2017-04-10",
      "status_date": "2017-04-13",
      "estimated_cost": 8588,
      "revised_cost": 8588,
      "description": "painted sign on existing signboard for cafe limited use",
      "source": "sf-building-permits"
    },
    {
      "number": "201506158979",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2015-06-15",
      "status_date": "2015-08-04",
      "revised_cost": 10133,
      "description": "replace 22 double hung wood windows with new double hung wood windows. no changes to size or location",
      "source": "sf-building-permits"
    },
    {
      "number": "201505045275",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2015-05-04",
      "status_date": "2015-08-04",
      "estimated_cost": 150000,
      "revised_cost": 150000,
      "description": "increase valuation on permit #201307091355 & 201310088757 by $150,000 per field inspectors' request.",
      "source": "sf-building-permits"
    },
    {
      "number": "201310088757",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2013-10-08",
      "status_date": "2015-08-04",
      "estimated_cost": 65000,
      "revised_cost": 85000,
      "description": "revision of pa#2013-0709-1355 1)extend existing toilet to include new shower 2)convert existing closet to bathroom 3)infill existing sliding door 4)remove non-load bearing wallin kitchen and install header 5)no exterior change to building 6)replace wall&ceiling with need insulation and 5/8\" x gym bd",
      "source": "sf-building-permits"
    },
    {
      "number": "201308083813",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2013-08-08",
      "status_date": "2013-09-13",
      "estimated_cost": 4100,
      "revised_cost": 4100,
      "description": "install ul-300 fire suppression system to protect hood & ducts & listed cooking equipments",
      "source": "sf-building-permits"
    },
    {
      "number": "201307091355",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2013-07-09",
      "status_date": "2015-08-04",
      "estimated_cost": 63000,
      "revised_cost": 63000,
      "description": "remodeling of 1 kitchen and 1 bathroom in three units, including replacing cabinets, countertops and plumbing fixtures.",
      "source": "sf-building-permits"
    },
    {
      "number": "201307031069",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2013-07-03",
      "status_date": "2013-07-09",
      "estimated_cost": 200,
      "revised_cost": 200,
      "description": "minor repairs to back stairs pursuant to nov dated dec. 18 2012, ref. 201275101 (item #2) less than 50%",
      "source": "sf-building-permits"
    },
    {
      "number": "M386047",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2013-04-16",
      "status_date": "2013-04-16",
      "revised_cost": 1,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "201304104199",
      "type": "sign - erect",
      "status": "complete",
      "filed": "2013-04-10",
      "status_date": "2013-06-05",
      "estimated_cost": 600,
      "revised_cost": 600,
      "description": "erect an electric projecting double faced indirect new sign",
      "source": "sf-building-permits"
    },
    {
      "number": "M382787",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2013-04-03",
      "status_date": "2013-04-03",
      "revised_cost": 1,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "201302220747",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2013-02-22",
      "status_date": "2013-06-05",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "revision to appl #2013.01.29.9030 - change entrance gate to door, remov evestibule wall, adjust partitoin wall on plans to line up with mullion.",
      "source": "sf-building-permits"
    },
    {
      "number": "201301299030",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2013-01-29",
      "status_date": "2013-06-05",
      "estimated_cost": 70000,
      "revised_cost": 70000,
      "description": "change of occup from f1 to b occup. remove concrete slabs & tile floor. remove wall over hang above old dryers. build ada bathroom using extg toilet. build partition with door. install new stackable washer & dryer. lay hardwood floor, install overhead radiant heat. remove old plumbing from wahsers.",
      "source": "sf-building-permits"
    },
    {
      "number": "201208177634",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "2012-08-17",
      "status_date": "2013-09-13",
      "estimated_cost": 10000,
      "revised_cost": 60000,
      "description": "change of use from animal care to catering kitchen - install hood, floor sinks, dish station, grease trap on single story.",
      "source": "sf-building-permits"
    },
    {
      "number": "200903093612",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2009-03-09",
      "status_date": "2009-04-09",
      "estimated_cost": 2155,
      "revised_cost": 4000,
      "description": "upgrade fire system in (e) kitchen exhaust system to ul300",
      "source": "sf-building-permits"
    },
    {
      "number": "200809181947",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "2008-09-18",
      "status_date": "2009-04-09",
      "estimated_cost": 1500,
      "revised_cost": 40000,
      "description": "change of use to full service restaurant requiring sect. 312 notification. modify bar seating to achieve accesibility compliance. legalizing (e) improvements as installed: walk-in cooler, wash sink, bathroom, bar counter.",
      "source": "sf-building-permits"
    },
    {
      "number": "200408060890",
      "type": "additions alterations or repairs",
      "status": "cancelled",
      "filed": "2004-08-06",
      "status_date": "2007-03-19",
      "estimated_cost": 190000,
      "description": "remodel (e) retail space (e) 958 sq.ft to be reducted to 804 sq.ft) add two new floors for 2 new apt",
      "source": "sf-building-permits"
    },
    {
      "number": "200408060891",
      "type": "additions alterations or repairs",
      "status": "cancelled",
      "filed": "2004-08-06",
      "status_date": "2006-09-26",
      "estimated_cost": 1000,
      "description": "replace 6 (e) windows with 45 min. fire rated windows.",
      "source": "sf-building-permits"
    },
    {
      "number": "200110090188",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "2001-10-09",
      "status_date": "2002-02-09",
      "estimated_cost": 100,
      "revised_cost": 100,
      "description": "do minor stairs repair at the back of the building less than 50%.",
      "source": "sf-building-permits"
    },
    {
      "number": "200007195505",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "2000-07-19",
      "status_date": "2001-05-10",
      "estimated_cost": 8500,
      "revised_cost": 8500,
      "description": "reroofing",
      "source": "sf-building-permits"
    },
    {
      "number": "200004056416",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "2000-04-05",
      "status_date": "2001-02-06",
      "estimated_cost": 13880,
      "revised_cost": 13880,
      "description": "reroofing",
      "source": "sf-building-permits"
    },
    {
      "number": "9808966",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "1998-05-18",
      "status_date": "1999-03-01",
      "estimated_cost": 2500,
      "description": "reroofing",
      "source": "sf-building-permits"
    },
    {
      "number": "9207812",
      "type": "additions alterations or repairs",
      "status": "expired",
      "filed": "1992-05-14",
      "status_date": "1993-01-28",
      "estimated_cost": 18000,
      "description": "fire damage repair",
      "source": "sf-building-permits"
    },
    {
      "number": "9207819",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "1992-05-13",
      "status_date": "1992-12-03",
      "estimated_cost": 5000,
      "description": "renew expired permit for pa #9024456",
      "source": "sf-building-permits"
    },
    {
      "number": "9024456",
      "type": "additions alterations or repairs",
      "status": "expired",
      "filed": "1990-11-30",
      "status_date": "1992-02-26",
      "estimated_cost": 5000,
      "description": "install steel beam, general renovation repair damaged shetrk",
      "source": "sf-building-permits"
    },
    {
      "number": "8907864",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1989-05-09",
      "status_date": "1990-01-04",
      "estimated_cost": 1,
      "description": "renewal of permit number 8802268",
      "source": "sf-building-permits"
    },
    {
      "number": "8907865",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1989-05-09",
      "status_date": "1990-01-04",
      "estimated_cost": 1,
      "description": "renewal of application number 8807856",
      "source": "sf-building-permits"
    },
    {
      "number": "8907866",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1989-05-09",
      "status_date": "1990-01-04",
      "estimated_cost": 1,
      "description": "renewal of permit 8809514",
      "source": "sf-building-permits"
    },
    {
      "number": "8809527",
      "type": "additions alterations or repairs",
      "status": "cancelled",
      "filed": "1988-07-13",
      "status_date": "1989-03-10",
      "estimated_cost": 3400,
      "description": "new store front",
      "source": "sf-building-permits"
    },
    {
      "number": "8809514",
      "type": "additions alterations or repairs",
      "status": "expired",
      "filed": "1988-07-12",
      "status_date": "1989-05-03",
      "estimated_cost": 7000,
      "description": "according to plans submitted by chang han lee",
      "source": "sf-building-permits"
    },
    {
      "number": "8807856",
      "type": "additions alterations or repairs",
      "status": "expired",
      "filed": "1988-06-15",
      "status_date": "1989-01-23",
      "estimated_cost": 4000,
      "description": "relocate exist posts & provide new beams, re #8802268",
      "source": "sf-building-permits"
    },
    {
      "number": "8807674",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1988-06-09",
      "status_date": "1988-12-16",
      "estimated_cost": 2500,
      "description": "termite work add to appln. #8802268",
      "source": "sf-building-permits"
    },
    {
      "number": "8802268",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1988-02-24",
      "status_date": "1990-01-04",
      "estimated_cost": 40000,
      "description": "demo partition walls, replace store front, t-bar ceiling",
      "source": "sf-building-permits"
    },
    {
      "number": "8512802",
      "type": "additions alterations or repairs",
      "status": "expired",
      "filed": "1985-11-12",
      "status_date": "1986-09-05",
      "estimated_cost": 1500,
      "description": "fix the fence the oven, painting",
      "source": "sf-building-permits"
    },
    {
      "number": "8401791",
      "type": "additions alterations or repairs",
      "status": "expired",
      "filed": "1984-02-17",
      "status_date": "1985-05-20",
      "estimated_cost": 3000,
      "description": "fix the wall and change the ceiling",
      "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=3305",
      "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=3611001&$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=3611&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=3611001",
      "retrieved": "2026-07-31"
    },
    {
      "id": "momence-folk-yoga",
      "name": "Folk Yoga, studio location page",
      "supports": "Current occupant",
      "query": "https://folksf.com/locations/20th-st/",
      "retrieved": "2026-09-11"
    }
  ],
  "occupants": [
    {
      "name": "Folk Yoga",
      "kinds": [
        "Yoga",
        "Fitness"
      ],
      "listed_address": "3315 20th Street",
      "source": "momence-folk-yoga"
    }
  ]
}