{
  "address": "3552–3558 20th Street, San Francisco, CA 94110",
  "path": "/san-francisco/mission/20th-street/3552/",
  "apn": "3596053",
  "block": "3596",
  "lot": "053",
  "eas_baseid": "361496",
  "coordinates": {
    "lat": 37.758765,
    "lng": -122.420285
  },
  "address_range": "3552–3558",
  "street_numbers_on_parcel": [
    "3552",
    "3554",
    "3556",
    "3558"
  ],
  "parcel": {
    "year_built": 1907,
    "units": 4,
    "stories": 3,
    "rooms": 16,
    "bathrooms": 3,
    "bedrooms": 5,
    "lot_area_sqft": 1700,
    "building_area_sqft": 3915,
    "lot_depth_ft": 85,
    "use": "Multi-Family Residential",
    "property_class": "Flat & Store 4 units or less",
    "construction_type_code": "D",
    "zoning": "NC-1",
    "supervisor_district": 9,
    "assessor_neighborhood": "Inner Mission",
    "analysis_neighborhood": "Mission",
    "property_location_raw": "3558 3552 20TH                ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 1566678,
    "assessed_improvement_value": 258541,
    "last_sale_date": "2018-03-01"
  },
  "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": "1907",
    "in_article_10_11_historic_district": false,
    "source": "sf-planning"
  },
  "permits": [
    {
      "number": "202607074626",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2026-07-07",
      "status_date": "2026-07-07",
      "estimated_cost": 25000,
      "revised_cost": 25000,
      "description": "recommencement and completion of work approved under pa# 202302172176",
      "source": "sf-building-permits"
    },
    {
      "number": "202406043622",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2024-06-04",
      "status_date": "2024-06-07",
      "estimated_cost": 16000,
      "revised_cost": 40000,
      "description": "revision to pa#201904299176 to add 1 master bathroom to 3rd floor unit. no change to egress or structural. revision to 202006088261 to change 2 tubs to 2 showers and remove living rm wall on 2nd fl unit (3556 20th st)",
      "source": "sf-building-permits"
    },
    {
      "number": "202302172176",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2023-02-17",
      "status_date": "2023-02-22",
      "estimated_cost": 50000,
      "revised_cost": 50000,
      "description": "remove lightwell enclosure to comply w/nov# 202181498, add 1 bathroom to ground flr, one unit. no change to egress or structural. all (e) lightwells to remain.",
      "source": "sf-building-permits"
    },
    {
      "number": "202211227041",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2022-11-22",
      "status_date": "2023-02-22",
      "estimated_cost": 300,
      "revised_cost": 700,
      "description": "to comply with accessible business entrance program per ordinance 51-16, install (1) lever door hardware, door bell and ring bell for service sign. abe# 201812183115.",
      "source": "sf-building-permits"
    },
    {
      "number": "202109077852",
      "type": "otc alterations permit",
      "status": "revoked",
      "filed": "2021-09-07",
      "status_date": "2023-04-25",
      "estimated_cost": 30000,
      "revised_cost": 60000,
      "description": "revision to 201904299176, add 1 bath to gr fl one unit. close lightwell at gr fl only. no change to egress or structural. comply w nov 201878063 and 202181498",
      "source": "sf-building-permits"
    },
    {
      "number": "202006088261",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2020-06-08",
      "status_date": "2020-11-24",
      "estimated_cost": 8000,
      "revised_cost": 16000,
      "description": "revision to 201904299176. add 1 master bathroom. no structural changes. comply w/ n.o.v 201878063.",
      "source": "sf-building-permits"
    },
    {
      "number": "201904299176",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2019-04-29",
      "status_date": "2019-04-29",
      "estimated_cost": 60000,
      "revised_cost": 60000,
      "description": "upgrade electrical in all units and ground floor commercial, replace & patch sheetrock as needed, remodel kitchen & bathroom in all residential units.",
      "source": "sf-building-permits"
    },
    {
      "number": "201801088037",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2018-01-08",
      "status_date": "2018-01-17",
      "estimated_cost": 5000,
      "revised_cost": 5000,
      "description": "to comply with nov# 199927542. repair fire proof with approved material exit passageway leading to the street. 5/8\" type \"x\" gpboard. 1 layer on walls and 2 layers on ceiling for wood framing. maher na",
      "source": "sf-building-permits"
    },
    {
      "number": "201712206989",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2017-12-20",
      "status_date": "2017-12-22",
      "estimated_cost": 1000,
      "revised_cost": 1000,
      "description": "repair rear stairs; remove existing wood ladder go to roof stairs less than 10%; n/a maher",
      "source": "sf-building-permits"
    },
    {
      "number": "201611042057",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2016-11-04",
      "status_date": "2017-12-20",
      "estimated_cost": 2000,
      "revised_cost": 2000,
      "description": "to comply with nov #201640301, item ##3, #4, #5, #7",
      "source": "sf-building-permits"
    },
    {
      "number": "M155847",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2009-03-16",
      "status_date": "2009-03-16",
      "revised_cost": 1,
      "description": "street space & sidewalk , mta.",
      "source": "sf-building-permits"
    },
    {
      "number": "200809192123",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2008-09-19",
      "status_date": "2009-02-27",
      "estimated_cost": 500,
      "revised_cost": 750,
      "description": "replace 4 treads,one stringer and handrail on first floor. replace one handrail at second floor. all work at rear exterior stair to comply with n.o.v. 200870259.",
      "source": "sf-building-permits"
    },
    {
      "number": "M16686",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "2001-07-20",
      "status_date": "2001-11-20",
      "revised_cost": 0,
      "description": "sidewalk",
      "source": "sf-building-permits"
    },
    {
      "number": "9925076",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "1999-11-29",
      "status_date": "2001-04-16",
      "estimated_cost": 500,
      "description": "repair plank in rear stairs,fire proofing per #199927542",
      "source": "sf-building-permits"
    },
    {
      "number": "9801075",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "1998-01-22",
      "status_date": "1999-03-01",
      "estimated_cost": 1,
      "description": "renew expired permit appn. 8513961",
      "source": "sf-building-permits"
    },
    {
      "number": "8513961",
      "type": "additions alterations or repairs",
      "status": "issued",
      "filed": "1985-12-10",
      "status_date": "1986-06-10",
      "estimated_cost": 100,
      "description": "to bring into code",
      "source": "sf-building-permits"
    },
    {
      "number": "8207006",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1982-08-24",
      "status_date": "1983-03-04",
      "estimated_cost": 2000,
      "description": "bldg use: apt",
      "source": "sf-building-permits"
    },
    {
      "number": "8203215",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1982-04-26",
      "status_date": "1983-03-04",
      "estimated_cost": 3500,
      "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=3552",
      "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=3596053&$order=closed_roll_year%20DESC&$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=3596&lot=053",
      "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=3596053",
      "retrieved": "2026-07-31"
    }
  ]
}