{
  "address": "3420 18th Street, San Francisco, CA 94110",
  "path": "/san-francisco/mission/18th-street/3420/",
  "apn": "3576090",
  "block": "3576",
  "lot": "090",
  "eas_baseid": "360368",
  "coordinates": {
    "lat": 37.761917,
    "lng": -122.419985
  },
  "parcel": {
    "year_built": 2018,
    "units": 16,
    "stories": 4,
    "bathrooms": 24,
    "bedrooms": 24,
    "lot_area_sqft": 4673,
    "building_area_sqft": 17024,
    "use": "Multi-Family Residential",
    "property_class": "Apartment 15 Units or more",
    "construction_type_code": "NA",
    "zoning": "NC-3",
    "supervisor_district": 9,
    "assessor_neighborhood": "Inner Mission",
    "analysis_neighborhood": "Mission",
    "property_location_raw": "0000 3420 18TH                ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 5228046,
    "assessed_improvement_value": 11514831,
    "last_sale_date": "2014-09-12"
  },
  "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": "2018",
    "in_article_10_11_historic_district": false,
    "source": "sf-planning"
  },
  "permits": [
    {
      "number": "202206146300",
      "type": "otc alterations permit",
      "status": "cancelled",
      "filed": "2022-06-14",
      "status_date": "2026-01-23",
      "estimated_cost": 1,
      "revised_cost": 0,
      "description": "one unit: permit for use of an intermediate length occupancy within existing legally permitted use and occupancy.",
      "source": "sf-building-permits"
    },
    {
      "number": "202206146302",
      "type": "otc alterations permit",
      "status": "cancelled",
      "filed": "2022-06-14",
      "status_date": "2026-01-23",
      "estimated_cost": 1,
      "revised_cost": 0,
      "description": "one unit: permit for use of an intermediate length occupancy within existing legally permitted use and occupancy.",
      "source": "sf-building-permits"
    },
    {
      "number": "202206136160",
      "type": "otc alterations permit",
      "status": "cancelled",
      "filed": "2022-06-13",
      "status_date": "2026-01-23",
      "estimated_cost": 1,
      "revised_cost": 0,
      "description": "permit for use of intermediate length occupancy with existing legally permitted use and occupancy.",
      "source": "sf-building-permits"
    },
    {
      "number": "201903114914",
      "type": "sign - erect",
      "status": "cancelled",
      "filed": "2019-03-11",
      "status_date": "2026-01-09",
      "estimated_cost": 1000,
      "revised_cost": 1000,
      "description": "install new projection sign (wall mounted) \"brew cha\"",
      "source": "sf-building-permits"
    },
    {
      "number": "201902041969",
      "type": "sign - erect",
      "status": "withdrawn",
      "filed": "2019-02-04",
      "status_date": "2019-02-28",
      "estimated_cost": 600,
      "revised_cost": 1000,
      "description": "install new front wall sign(wall mounted) \"brew cha\"",
      "source": "sf-building-permits"
    },
    {
      "number": "M1025327",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2019-01-08",
      "status_date": "2019-01-08",
      "revised_cost": 1,
      "description": "streetspace",
      "source": "sf-building-permits"
    },
    {
      "number": "201812047404",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2018-12-04",
      "status_date": "2019-02-27",
      "estimated_cost": 1500,
      "revised_cost": 1500,
      "description": "modify (e) fire alarm system for t.i. ref pa 201809079470",
      "source": "sf-building-permits"
    },
    {
      "number": "201811166075",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2018-11-16",
      "status_date": "2019-01-11",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "fire sprinkler as built ref# 201809271553.",
      "source": "sf-building-permits"
    },
    {
      "number": "201809271553",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2018-09-27",
      "status_date": "2019-01-11",
      "estimated_cost": 1638,
      "revised_cost": 1638,
      "description": "fire sprinklers: relocate (3) fire sprinklers per tenant improvements # 201311041054.",
      "source": "sf-building-permits"
    },
    {
      "number": "201809079470",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2018-09-07",
      "status_date": "2019-02-28",
      "estimated_cost": 80000,
      "revised_cost": 80000,
      "description": "commercial t.i. 1) install kitchen equip, plmbg & finishes, 2)install elec, subpanel & water heater. fire sprinklers under separate permit. exterior signage under separate permit. n/a for maher.",
      "source": "sf-building-permits"
    },
    {
      "number": "M889028",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2018-02-13",
      "status_date": "2018-02-13",
      "revised_cost": 1,
      "description": "street space w/mta",
      "source": "sf-building-permits"
    },
    {
      "number": "M874467",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2018-01-09",
      "status_date": "2018-01-09",
      "revised_cost": 0,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "M857947",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2017-11-21",
      "status_date": "2017-11-21",
      "revised_cost": 1,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "201710262401",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2017-10-26",
      "status_date": "2017-10-26",
      "estimated_cost": 2000,
      "revised_cost": 2000,
      "description": "install new evacuation sign",
      "source": "sf-building-permits"
    },
    {
      "number": "201709158372",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2017-09-15",
      "status_date": "2018-03-29",
      "estimated_cost": 10000,
      "revised_cost": 10000,
      "description": "revision to pa#201311041054. removal of smoke guards. include radio test. add accessible hatch detail. back-up battery under separate addendum provide accessible hatch for elevator penthouse. maher na",
      "source": "sf-building-permits"
    },
    {
      "number": "201708033766",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2017-08-03",
      "status_date": "2018-03-29",
      "estimated_cost": 500,
      "revised_cost": 500,
      "description": "remove fire sprinkler head in elevator shaft because the elevator is traction unit. no sprinkler require in the hoistway or their associated machin room or control room. ref app#201311041054. n/a maher ordinance",
      "source": "sf-building-permits"
    },
    {
      "number": "M815448",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2017-08-01",
      "status_date": "2017-08-02",
      "revised_cost": 0,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "M758527",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2017-02-03",
      "status_date": "2017-02-03",
      "revised_cost": 1,
      "description": "street space & mta parking meter",
      "source": "sf-building-permits"
    },
    {
      "number": "201612094649",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2016-12-09",
      "status_date": "2018-03-29",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "as built relocate underground 4\" fire service and system riser for approved 201604285966 maher na",
      "source": "sf-building-permits"
    },
    {
      "number": "M712047",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2016-08-09",
      "status_date": "2016-08-09",
      "revised_cost": 1,
      "description": "street space permit and mta permits",
      "source": "sf-building-permits"
    },
    {
      "number": "201604285966",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2016-04-28",
      "status_date": "2018-03-29",
      "estimated_cost": 150000,
      "revised_cost": 320000,
      "description": "install new fire sprinkler system per nfpa 13 with standpipe and 4\" underground fire service. total 257 heads. ref app#2013-1104-1654 s/r-1. n/a for maher",
      "source": "sf-building-permits"
    },
    {
      "number": "M659487",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2016-02-01",
      "status_date": "2016-02-01",
      "revised_cost": 1,
      "description": "street space permit",
      "source": "sf-building-permits"
    },
    {
      "number": "M606067",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2015-07-22",
      "status_date": "2015-07-22",
      "revised_cost": 0,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "201311041054",
      "type": "new construction wood frame",
      "status": "complete",
      "filed": "2013-11-04",
      "status_date": "2018-03-29",
      "estimated_cost": 2500000,
      "revised_cost": 3600000,
      "description": "erect new 16-one unit-story residential bldg. maher ordinance-extended is not required.",
      "source": "sf-building-permits"
    },
    {
      "number": "201311041060",
      "type": "demolitions",
      "status": "complete",
      "filed": "2013-11-04",
      "status_date": "2018-04-30",
      "estimated_cost": 25000,
      "revised_cost": 25000,
      "description": "demolish auto repair garage",
      "source": "sf-building-permits"
    },
    {
      "number": "M178888",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2009-09-01",
      "status_date": "2009-09-01",
      "revised_cost": 1,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "M108064",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2008-02-19",
      "status_date": "2008-02-19",
      "revised_cost": 1,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "9023345",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1990-11-09",
      "status_date": "1991-03-26",
      "estimated_cost": 6950,
      "description": "reroofing",
      "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=18TH&street_type=ST&address_number=3420",
      "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=3576090&$order=closed_roll_year%20DESC&$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=3576&lot=090",
      "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=3576090",
      "retrieved": "2026-07-31"
    }
  ]
}